{"title":"Chiptune","description":"\u003cp\u003eDiscover our collection of \u003cstrong\u003eChiptune and Synthesizer Hardware\u003c\/strong\u003e — real sound chips and FM synthesis modules for retro computing enthusiasts and electronic music makers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFM synthesizer sound cards (OPM, OPL1\/2\/3, YM series)\u003c\/li\u003e\n\u003cli\u003ePSG and chiptune modules\u003c\/li\u003e\n\u003cli\u003eMIDI interfaces and converters\u003c\/li\u003e\n\u003cli\u003eOpen-source audio hardware projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAll products use authentic Yamaha and classic sound chips for genuine retro audio. Compatible with MSX, PC, and standalone use. Built and tested by Denjhang's Retro Hardware.\u003c\/p\u003e","products":[{"product_id":"spfm-lite-serial-port-fm-lite-edition","title":"SPFM Lite - Serial Port FM Lite Edition","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. This makes me feel very regretful and annoyed. Even if I have money, I can't buy any SPFM motherboard or rebirth module.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to really revive this project. My intention was to make FM music chips available to people all over the world — no internal meetings, no internal stores, no artificial scarcity, long-term stock.\u003c\/p\u003e\u003cp\u003eBy copying the rebirth module, I learned a lot, such as the bus layout of rebirth, digital-to-analog isolation, single-power audio amplifier design, and standardized module appearance. It can be said that it is as worth learning as a textbook.\u003c\/p\u003e\u003cp\u003eYM2203 sound card suitable for SPFM series. The circuit is redesigned by myself and is compatible with RE:birth bus. You can use it with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other motherboards.\u003c\/p\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL:\u003c\/strong\u003e YM3526, Y8950\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL2:\u003c\/strong\u003e YM3812, YM3812-F, U6612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL:\u003c\/strong\u003e YM2413, YM2413-F, YM2413B, YM2413B-F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL Clone:\u003c\/strong\u003e 2413, MY2413, YM2413 THINK, UM2413, UM3567, U3567\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL3:\u003c\/strong\u003e YMF262, YMF289\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPM:\u003c\/strong\u003e YM2151\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPZ:\u003c\/strong\u003e YM2414\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN:\u003c\/strong\u003e YM2203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN2:\u003c\/strong\u003e YM2612, YM3438, YMF276\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPNA:\u003c\/strong\u003e YM2608\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN3:\u003c\/strong\u003e YMF288\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSG:\u003c\/strong\u003e AY8910, YM2149, JFC95101, KC89C72, YMZ284\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCSG:\u003c\/strong\u003e SN76489\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMusic Modules\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRE2-YM2151\u003c\/li\u003e\n\u003cli\u003eRE2-YM2608\u003c\/li\u003e\n\u003cli\u003eRE2-YMF262\u003c\/li\u003e\n\u003cli\u003eRE2-YM3812\/3526\u003c\/li\u003e\n\u003cli\u003eRE2-YM2413\u003c\/li\u003e\n\u003cli\u003eRE2-PSG\/SSG+SSGL\u003c\/li\u003e\n\u003cli\u003eRE2-YMF276\/288\/289\u003c\/li\u003e\n\u003cli\u003eRE2-YM2203\u003c\/li\u003e\n\u003cli\u003eRE2-YM2612+SN76489\u003c\/li\u003e\n\u003cli\u003eRE2-NBV5\/AYB03 Convert Board\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMainboard\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Lite (2 card slots)\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 card slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eSimple appearance, with YM2203 logo and parameters, using the classic universal dual operational amplifier NE5532, with adjustable volume, excellent sound quality, good digital-analog isolation, and completely follows the design soul of Project RE:birth.\u003c\/p\u003e\u003cp\u003eThe design of the rebirth module is very excellent, pursuing the ultimate sound quality, standardized appearance, reasonable bus layout and ground plane isolation at the cost of an amateur project. Just like a textbook, I completed all this in accordance with the design spirit of rebirth.\u003c\/p\u003e\u003cp\u003eIn particular, \u003cstrong\u003eRE2-YM2203 supports stereo PSG\u003c\/strong\u003e, and the stereo configuration can be freely adjusted through the three-position switch. This is my original design.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46113252704453,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-27T05_29_30.131Z-_H_2KHBB_YSBHX__2O_I9R_tmb_f70af7f2-bddf-4228-ae68-370e43e3c9c4.jpg?v=1776837604"},{"product_id":"stm32-respfm-4-slots-modular-chiptune-host","title":"STM32-RESPFM - 4 Slots Modular Chiptune Host","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. This makes me feel very regretful and annoyed — even if I have money, I can't buy any SPFM motherboard or rebirth module.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to really revive this project. My intention was to make FM music chips available to people all over the world — no internal meetings, no internal stores, no hunger marketing, long-term stock.\u003c\/p\u003e\u003cp\u003eBy copying the rebirth module, I learned a lot, such as the bus layout of rebirth, digital-to-analog isolation, single-power audio amplifier design, and standardized module appearance. It can be said that it is as worth learning as a textbook.\u003c\/p\u003e\u003cp\u003eYM2203 sound card suitable for SPFM series. The circuit is redesigned by myself and is compatible with RE:birth bus. You can use it with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and STM32-RESPFM.\u003c\/p\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL:\u003c\/strong\u003e YM3526, Y8950\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL2:\u003c\/strong\u003e YM3812, YM3812-F, U6612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL:\u003c\/strong\u003e YM2413, YM2413-F, YM2413B, YM2413B-F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL Clone:\u003c\/strong\u003e 2413, MY2413, YM2413 THINK, UM2413, UM3567, U3567\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL3:\u003c\/strong\u003e YMF262, YMF289\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN:\u003c\/strong\u003e YM2203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN3:\u003c\/strong\u003e YMF288\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSG:\u003c\/strong\u003e AY8910, YM2149, JFC95101, KC89C72, YMZ284\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMusic Modules\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRE2-YMF262\u003c\/li\u003e\n\u003cli\u003eRE2-YM3812\/3526\u003c\/li\u003e\n\u003cli\u003eRE2-YM2413\u003c\/li\u003e\n\u003cli\u003eRE2-PSG\/SSG+SSGL\u003c\/li\u003e\n\u003cli\u003eRE2-YMF276\/288\/289\u003c\/li\u003e\n\u003cli\u003eRE2-YM2203\u003c\/li\u003e\n\u003cli\u003eRE2-YM2608\u003c\/li\u003e\n\u003cli\u003eRE2-YM2151\u003c\/li\u003e\n\u003cli\u003eRE2-YM2612\/3438+SN76489\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCurrently the STM32 motherboard supports YM2608\/2612\/2151\/SN76489.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSTM32-RESPFM (4 slots)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout STM32-RESPFM\u003c\/h2\u003e\u003cp\u003eBased on STM32F103C8 Blue Pill, after several months of iterative updates, it now supports all music modules, including YM2612+SN76489, and fixes the SCCI SN noise bug from the hardware level. It also supports YM2608, and ADPCM can be loaded correctly. The hardware structure is relatively simple, and the source code is open — welcome to modify.\u003c\/p\u003e\u003cp\u003eIt supports the use of \u003cstrong\u003efour modules at the same time\u003c\/strong\u003e and is very stable.\u003c\/p\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eI referred to the ps98-YM2203 schematic and pictures of the original rebirth module, as well as the SPFM Tower schematic. My dream: to make SPFM and rebirth modules available to everyone in the world. No internal meetings, no mystery shops, fair play to all.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eSimple appearance, with YM2203 logo and parameters, using the classic universal dual operational amplifier NE5532, with adjustable volume, excellent sound quality, good digital-analog isolation, and completely follows the design soul of Project RE:birth.\u003c\/p\u003e\u003cp\u003eThe design of the rebirth module is very excellent, pursuing the ultimate sound quality, standardized appearance, reasonable bus layout and ground plane isolation. Just like a textbook, I completed all this in accordance with the design spirit of rebirth.\u003c\/p\u003e\u003cp\u003eIn particular, \u003cstrong\u003eRE2-YM2203 supports stereo PSG\u003c\/strong\u003e, and the stereo configuration can be freely adjusted through the three-position switch. This is my original design.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46113254572229,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-06-30T12_26_13.334Z-AF5AD1BA5C8DC1ADE7892974AE161AA5.jpg?v=1776837827"},{"product_id":"pic18-respfm-4-slots-modular-chiptune-host","title":"PIC18-RESPFM - 4 Slots Modular Chiptune Host","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. This makes me feel very regretful and annoyed — even if I have money, I can't buy any SPFM motherboard or rebirth module.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to really revive this project. My intention was to make FM music chips available to people all over the world — no internal meetings, no internal stores, no hunger marketing, long-term stock.\u003c\/p\u003e\u003cp\u003eBy copying the rebirth module, I learned a lot, such as the bus layout of rebirth, digital-to-analog isolation, single-power audio amplifier design, and standardized module appearance. It can be said that it is as worth learning as a textbook.\u003c\/p\u003e\u003cp\u003eYM2203 sound card suitable for SPFM series. The circuit is redesigned by myself and is compatible with RE:birth bus. You can use it with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and STM32-RESPFM.\u003c\/p\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL:\u003c\/strong\u003e YM3526, Y8950\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL2:\u003c\/strong\u003e YM3812, YM3812-F, U6612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL:\u003c\/strong\u003e YM2413, YM2413-F, YM2413B, YM2413B-F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL Clone:\u003c\/strong\u003e 2413, MY2413, YM2413 THINK, UM2413, UM3567, U3567\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL3:\u003c\/strong\u003e YMF262, YMF289\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN:\u003c\/strong\u003e YM2203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN3:\u003c\/strong\u003e YMF288\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSG:\u003c\/strong\u003e AY8910, YM2149, JFC95101, KC89C72, YMZ284\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMusic Modules\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRE2-YMF262\u003c\/li\u003e\n\u003cli\u003eRE2-YM3812\/3526\u003c\/li\u003e\n\u003cli\u003eRE2-YM2413\u003c\/li\u003e\n\u003cli\u003eRE2-PSG\/SSG+SSGL\u003c\/li\u003e\n\u003cli\u003eRE2-YMF276\/288\/289\u003c\/li\u003e\n\u003cli\u003eRE2-YM2203\u003c\/li\u003e\n\u003cli\u003eRE2-YM2608\u003c\/li\u003e\n\u003cli\u003eRE2-YM2151\u003c\/li\u003e\n\u003cli\u003eRE2-YM2612\/3438+SN76489\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCurrently the STM32 motherboard supports YM2608\/2612\/2151\/SN76489.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Mainboard\u003c\/h2\u003e\u003cp\u003eBased on STM32F103C8 Blue Pill, after several months of iterative updates, it now supports all music modules, including YM2612+SN76489, and fixes the SCCI SN noise bug from the hardware level. It also supports YM2608, and ADPCM can be loaded correctly. The hardware structure is relatively simple, and the source code is open — welcome to modify.\u003c\/p\u003e\u003cp\u003eIt supports the use of \u003cstrong\u003efour modules at the same time\u003c\/strong\u003e and is very stable.\u003c\/p\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eI referred to the ps98-YM2203 schematic and pictures of the original rebirth module, as well as the SPFM Tower schematic. My dream: to make SPFM and rebirth modules available to everyone in the world. No internal meetings, no mystery shops, fair play to all.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eSimple appearance, with YM2203 logo and parameters, using the classic universal dual operational amplifier NE5532, with adjustable volume, excellent sound quality, good digital-analog isolation, and completely follows the design soul of Project RE:birth.\u003c\/p\u003e\u003cp\u003eThe design of the rebirth module is very excellent, pursuing the ultimate sound quality, standardized appearance, reasonable bus layout and ground plane isolation. Just like a textbook, I completed all this in accordance with the design spirit of rebirth.\u003c\/p\u003e\u003cp\u003eIn particular, \u003cstrong\u003eRE2-YM2203 supports stereo PSG\u003c\/strong\u003e, and the stereo configuration can be freely adjusted through the three-position switch. This is my original design.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46113271513285,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2026-01-24T04_02_31.272Z-ae1eacf34d9c7b13e27dfa16fa76e2f0.jpg?v=1776838028"},{"product_id":"re2-ym2151-project-re-birth-2nd-sound-card","title":"RE2-YM2151 - Project RE:birth 2nd Sound Card","description":"\u003ch2 id=\"what-is-it\" class=\"_h2_3ycjt_74\"\u003e\u003cspan\u003eWhat is it?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eProject RE-birth 2nd is the spiritual continuation of \u003c\/span\u003e\u003cspan data-is-on-page=\"false\"\u003e\u003ca role=\"link\" class=\"link tone-auto weight-base\" href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cslot\u003eProject RE-birth\u003c\/slot\u003e\u003c\/span\u003e\u003cspan\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRE2-YM2151\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a YM2151 (OPM) sound card designed for the SPFM series. The circuit is fully redesigned by myself and is compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr class=\"_hr_3ycjt_140\"\u003e\n\u003ch2 id=\"about-the-ym2151-chip\" class=\"_h2_3ycjt_74\"\u003e\u003cspan\u003eAbout the YM2151 Chip\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eThe YM2151, also known as \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOPM (FM Operator Type-M)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, is one of Yamaha's most celebrated FM synthesis chips. It features \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8 channels of 4-operator FM synthesis\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, delivering rich, complex timbres that defined the sound of arcade games and home computers throughout the late 1980s and early 1990s.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eIt was used in iconic hardware including the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSharp X68000\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, Yamaha DX series synthesizers, and countless arcade boards running Capcom and Konami titles. Owning a RE2-YM2151 means you can hear those legendary sounds in their authentic analog glory — not emulated, but driven by the real chip.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr class=\"_hr_3ycjt_140\"\u003e\n\u003ch2 id=\"key-features\" class=\"_h2_3ycjt_74\"\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul class=\"_ul_3ycjt_146\"\u003e\n\u003cli\u003e\u003cspan\u003eAuthentic YM2151 (OPM) FM synthesis — 8 channels, 4 operators each\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with RE:birth bus standard\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable volume control on-board\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStandardized RE:birth module form factor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-term stock — always available, no artificial scarcity\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"_hr_3ycjt_140\"\u003e\n\u003ch2 id=\"compatible-mainboards\" class=\"_h2_3ycjt_74\"\u003e\u003cspan\u003eCompatible Mainboards\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul class=\"_ul_3ycjt_146\"\u003e\n\u003cli\u003e\u003cspan\u003eSPFM Light\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSPFM Lite (2 slots)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRESPFM\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIAP-RESPFM (4 slots)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSTM32-RESPFM (4 slots)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"_hr_3ycjt_140\"\u003e\n\u003ch2 id=\"why-did-i-make-it\" class=\"_h2_3ycjt_74\"\u003e\u003cspan\u003eWhy Did I Make It?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eI referred to the ps98-YM2151 schematic and pictures of the original rebirth module, as well as the SPFM Tower schematic, to faithfully recreate this module. My dream is simple: to make SPFM and RE:birth modules available to everyone in the world — no gatekeeping, no mystery shops, fair play to all.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eThanks to the extensive experience accumulated in designing MegaMod and other RE:birth modules, this module was designed and validated within a week.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr class=\"_hr_3ycjt_140\"\u003e\n\u003ch2 id=\"what-makes-it-special\" class=\"_h2_3ycjt_74\"\u003e\u003cspan\u003eWhat Makes It Special?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eThe RE2-YM2151 features a clean, minimal appearance with the YM2151 chip logo and key parameters printed on the board. It uses the classic \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNE5532\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e universal dual operational amplifier, delivering adjustable volume, excellent sound quality, and solid digital-analog isolation — fully in the spirit of Project RE:birth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_3ycjt_109\"\u003e\u003cspan\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation. This module honors that philosophy completely, making it both a functional audio tool and a piece of hardware worth studying — just like a textbook.\u003c\/span\u003e\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46113283276997,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-12T14_52_02.287Z-11b8c9aeea41ae49825cf3234cca700c.jpg?v=1776838155"},{"product_id":"re2-y8950-project-re-birth-2nd-sound-card","title":"RE2-Y8950 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-Y8950\u003c\/strong\u003e is a Y8950 (MSX-AUDIO) sound card designed for the SPFM series. The circuit is fully redesigned by myself and is compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the Y8950 Chip\u003c\/h2\u003e\u003cp\u003eThe Y8950, also known as MSX-AUDIO, is Yamaha's OPL variant featuring a built-in ADPCM sample playback channel in addition to its 9 FM operators. It was famously used in MSX computers and certain arcade hardware, producing a rich combination of FM synthesis and sampled audio that defined an era of game music.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eOPL (with ADPCM):\u003c\/strong\u003e Y8950 (MSX-AUDIO)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eI referred to original rebirth module schematics and pictures, as well as the SPFM Tower schematic, to faithfully recreate this module. My dream is simple: to make SPFM and RE:birth modules available to everyone in the world — no gatekeeping, no mystery shops, fair play to all.\u003c\/p\u003e\u003cp\u003eThanks to the extensive experience accumulated in designing MegaMod and other RE:birth modules, this module was designed and validated within a week.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eThe RE2-Y8950 features a clean, minimal appearance with the Y8950 chip logo and key parameters printed on the board. It uses the classic NE5532 universal dual operational amplifier, delivering adjustable volume, excellent sound quality, and solid digital-analog isolation — fully in the spirit of Project RE:birth.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation. This module honors that philosophy completely, making it both a functional audio tool and a piece of hardware worth studying.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46113285472453,"sku":null,"price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-27T06_55_37.599Z-f711f1fa3dda8cc565f7a3840faced57.jpg?v=1776838320"},{"product_id":"re2-ym2149-ymz284-project-re-birth-2nd-sound-card","title":"RE2-YM2149+YMZ284 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make classic sound chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YM2149+YMZ284\u003c\/strong\u003e is a dual PSG sound card designed for the SPFM series, featuring both the YM2149 and YMZ284 chips. The circuit is fully redesigned by myself and is compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the Chips\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM2149\u003c\/strong\u003e (also known as SSG — Software-controlled Sound Generator) is Yamaha's enhanced version of the legendary AY-3-8910 PSG chip. It delivers 3 square-wave tone channels plus a noise channel, and was famously used in the MSX computer, Sharp X68000, Atari ST, and many arcade systems. Its warm, characteristic chiptune sound is instantly recognizable to retro gaming fans.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eYMZ284\u003c\/strong\u003e is a compact, single-supply PSG chip fully compatible with the AY-3-8910 register set, making it a drop-in companion for PSG-based systems. Together, these two chips on a single module give you rich, layered PSG sound with maximum compatibility.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDual PSG configuration: YM2149 (SSG) + YMZ284 on one module\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSG\/SSG:\u003c\/strong\u003e YM2149, AY8910, JFC95101, KC89C72\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSG (compact):\u003c\/strong\u003e YMZ284\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eI referred to original rebirth module schematics and pictures, as well as the SPFM Tower schematic, to faithfully recreate this module. My dream is simple: to make SPFM and RE:birth modules available to everyone in the world — no gatekeeping, no mystery shops, fair play to all.\u003c\/p\u003e\u003cp\u003eThanks to the extensive experience accumulated in designing MegaMod and other RE:birth modules, this module was designed and validated within a week.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eThe RE2-YM2149+YMZ284 features a clean, minimal appearance with chip logos and key parameters printed on the board. It uses the classic \u003cstrong\u003eNE5532\u003c\/strong\u003e universal dual operational amplifier, delivering adjustable volume, excellent sound quality, and solid digital-analog isolation — fully in the spirit of Project RE:birth.\u003c\/p\u003e\u003cp\u003eHaving both YM2149 and YMZ284 on a single module means you get maximum PSG versatility in a single card slot — perfect for MSX, X68000, and AY-based music playback with authentic hardware sound.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation. This module honors that philosophy completely, making it both a functional audio tool and a piece of hardware worth studying — just like a textbook.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46113336164549,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-27T06_49_15.974Z-4542d7519172de14b42fbcf1251b90c5.jpg?v=1776840622"},{"product_id":"re2-ym2203-project-re-birth-2nd-sound-card","title":"RE2-YM2203 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YM2203\u003c\/strong\u003e is a YM2203 (OPN) sound card designed for the SPFM series. The circuit is fully redesigned by myself and is compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the YM2203 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM2203\u003c\/strong\u003e, also known as \u003cstrong\u003eOPN (FM Operator Type-N)\u003c\/strong\u003e, is a classic Yamaha FM synthesis chip combining \u003cstrong\u003e3 channels of 4-operator FM synthesis\u003c\/strong\u003e with a built-in \u003cstrong\u003e3-channel SSG (PSG)\u003c\/strong\u003e section — giving you both FM and square-wave sound from a single chip. It was famously used in NEC PC-88 and PC-98 computers, defining the sound of Japanese PC gaming throughout the 1980s.\u003c\/p\u003e\u003cp\u003eWith the RE2-YM2203, you can experience that iconic dual-voice character — warm FM tones layered with crisp PSG chiptune — driven by the authentic hardware chip, not emulation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic YM2203 (OPN) — 3-channel FM + 3-channel SSG on one chip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStereo PSG support\u003c\/strong\u003e with freely adjustable stereo configuration via 3-position switch (original design)\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN:\u003c\/strong\u003e YM2203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePSG\/SSG (built-in):\u003c\/strong\u003e AY8910-compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eI referred to the ps98-YM2203 schematic and pictures of the original rebirth module, as well as the SPFM Tower schematic, to faithfully recreate this module. My dream is simple: to make SPFM and RE:birth modules available to everyone in the world — no gatekeeping, no mystery shops, fair play to all.\u003c\/p\u003e\u003cp\u003eThanks to the extensive experience accumulated in designing MegaMod and other RE:birth modules, this module was designed and validated within a week.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eThe RE2-YM2203 features a clean, minimal appearance with the YM2203 chip logo and key parameters printed on the board. It uses the classic \u003cstrong\u003eNE5532\u003c\/strong\u003e universal dual operational amplifier, delivering adjustable volume, excellent sound quality, and solid digital-analog isolation — fully in the spirit of Project RE:birth.\u003c\/p\u003e\u003cp\u003eIn particular, \u003cstrong\u003eRE2-YM2203 supports stereo PSG\u003c\/strong\u003e, and the stereo configuration can be freely adjusted through the three-position switch. This is an original design not found on other modules — giving you creative control over the spatial character of your PSG sound.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation. This module honors that philosophy completely, making it both a functional audio tool and a piece of hardware worth studying — just like a textbook.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46113996308677,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-12T15_02_39.173Z-414635e5ccc6d9e0efd9d7696a3bdaa0_129fd366-aae2-40a5-ae79-c46ef4aed463.jpg?v=1776853109"},{"product_id":"re2-ym2413-project-re-birth-2nd-sound-card","title":"RE2-YM2413 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YM2413\u003c\/strong\u003e is a YM2413 (OPLL) sound card designed for the SPFM series. The circuit is fully redesigned by myself and is compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the YM2413 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM2413\u003c\/strong\u003e, also known as \u003cstrong\u003eOPLL (FM Operator Type-LL)\u003c\/strong\u003e, is a cost-optimized FM synthesis chip by Yamaha featuring \u003cstrong\u003e9 channels of 2-operator FM synthesis\u003c\/strong\u003e, or alternatively 6 FM channels plus 5 rhythm channels. It was famously used in the \u003cstrong\u003eMSX-MUSIC\u003c\/strong\u003e standard, the Sega Master System FM expansion, and various arcade hardware.\u003c\/p\u003e\u003cp\u003eIts warm, slightly lo-fi FM character is beloved by chiptune composers and retro gaming fans alike. The RE2-YM2413 lets you experience that authentic OPLL sound driven by the real chip — not emulation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic YM2413 (OPLL) FM synthesis — 9 FM channels or 6 FM + 5 rhythm channels\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL:\u003c\/strong\u003e YM2413, YM2413-F, YM2413B, YM2413B-F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL Clone:\u003c\/strong\u003e 2413, MY2413, YM2413 THINK, UM2413, UM3567, U3567\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eI referred to original rebirth module schematics and pictures, as well as the SPFM Tower schematic, to faithfully recreate this module. My dream is simple: to make SPFM and RE:birth modules available to everyone in the world — no gatekeeping, no mystery shops, fair play to all.\u003c\/p\u003e\u003cp\u003eThanks to the extensive experience accumulated in designing MegaMod and other RE:birth modules, this module was designed and validated within a week.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eThe RE2-YM2413 features a clean, minimal appearance with the YM2413 chip logo and key parameters printed on the board. It uses the classic \u003cstrong\u003eNE5532\u003c\/strong\u003e universal dual operational amplifier, delivering adjustable volume, excellent sound quality, and solid digital-analog isolation — fully in the spirit of Project RE:birth.\u003c\/p\u003e\u003cp\u003eSupporting not only the original YM2413 but also a wide range of OPLL-compatible clone chips, this module offers exceptional flexibility for collectors and builders working with different chip variants.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation — just like a textbook.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46114036416709,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-27T06_04_24.283Z-edd2d8577f9bef9d5fcc1dfd985ce0a0.jpg?v=1776854913"},{"product_id":"re2-ym2608-project-re-birth-2nd-sound-card","title":"RE2-YM2608 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YM2608\u003c\/strong\u003e is a YM2608 (OPNA) sound card designed for the SPFM series. The circuit is fully redesigned by myself and is compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM, STM32-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the YM2608 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM2608\u003c\/strong\u003e, also known as \u003cstrong\u003eOPNA (FM Operator Type-N Advanced)\u003c\/strong\u003e, is Yamaha's most powerful PC sound chip of its era. It combines \u003cstrong\u003e6 channels of 4-operator FM synthesis\u003c\/strong\u003e, a \u003cstrong\u003e3-channel SSG (PSG)\u003c\/strong\u003e section, a \u003cstrong\u003erhythm sound generator\u003c\/strong\u003e with built-in samples, and a full \u003cstrong\u003eADPCM channel\u003c\/strong\u003e for high-quality sample playback — all in a single chip.\u003c\/p\u003e\u003cp\u003eThe YM2608 was the heart of the legendary \u003cstrong\u003eNEC PC-98\u003c\/strong\u003e computer's sound system, powering some of the most iconic Japanese PC game soundtracks ever composed. From the sweeping FM orchestrations of Falcom's Ys series to the driving rhythms of countless doujin games, the OPNA sound is deeply embedded in retro gaming culture.\u003c\/p\u003e\u003cp\u003eWith the RE2-YM2608, you can experience that full, rich OPNA sound — FM, PSG, rhythm, and ADPCM — driven by the authentic hardware chip.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic YM2608 (OPNA) — 6-ch FM + 3-ch SSG + rhythm + ADPCM on one chip\u003c\/li\u003e\n\u003cli\u003eADPCM sample playback support (correctly loadable on STM32-RESPFM)\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM, STM32-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eOPNA:\u003c\/strong\u003e YM2608\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots) — full ADPCM support\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eI referred to original rebirth module schematics and pictures, as well as the SPFM Tower schematic, to faithfully recreate this module. My dream is simple: to make SPFM and RE:birth modules available to everyone in the world — no gatekeeping, no mystery shops, fair play to all.\u003c\/p\u003e\u003cp\u003eThanks to the extensive experience accumulated in designing MegaMod and other RE:birth modules, this module was designed and validated within a week.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eThe RE2-YM2608 features a clean, minimal appearance with the YM2608 chip logo and key parameters printed on the board. It uses the classic \u003cstrong\u003eNE5532\u003c\/strong\u003e universal dual operational amplifier, delivering adjustable volume, excellent sound quality, and solid digital-analog isolation — fully in the spirit of Project RE:birth.\u003c\/p\u003e\u003cp\u003eAs the most feature-rich chip in the RE:birth 2nd lineup, the YM2608 offers unmatched versatility: compose with FM, layer in PSG arpeggios, trigger built-in rhythm samples, and play back ADPCM audio — all from a single module slot. It is the ultimate choice for PC-98 music enthusiasts and OPNA composers.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation — just like a textbook.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46114678079685,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-27T06_10_17.948Z-a07dea912e0536e219795d58c8e96533.jpg?v=1776867958"},{"product_id":"2xopn-megamod-dual-ym2203-hardware-vgm-player","title":"2xOPN MegaMod - Dual YM2203 Hardware VGM Player","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003e2xOPN MegaMod is made with two original YM2203 chips, which can play PC88\/98 or some arcade music.\u003c\/p\u003e\u003ch3\u003eWhy did you make it?\u003c\/h3\u003e\u003cp\u003eIn 2020, natalie open-sourced the OPL3 and OPNA music modules. A year later, natalie wanted to use MegaGRRL to play some 2xYM2203 music, so we worked together to complete the design of this module. Natalie developed the vgm playback driver, and I designed the hardware. After several years of hardware revisions, the final version came out in 2025.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cp\u003eThe current 2xOPN MegaMod includes the following features:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eStereo SSG adjustment switch.\u003c\/li\u003e\n\u003cli\u003eSSG volume adjustment potentiometer.\u003c\/li\u003e\n\u003cli\u003eFM stereo switch.\u003c\/li\u003e\n\u003cli\u003eFully functional mixer.\u003c\/li\u003e\n\u003cli\u003eSingle PCB, streamlined design\u003c\/li\u003e\n\u003cli\u003eExcellent sound quality\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/denjhang\/2xOPN-MegaMod-2023\"\u003ehttps:\/\/github.com\/denjhang\/2xOPN-MegaMod-2023\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/denjhang\/2xOPN-MegaMod\"\u003ehttps:\/\/github.com\/denjhang\/2xOPN-MegaMod\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123383390405,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2025-07-03T07_33_36.613Z-DB26D64AAEC25920D58E3275E392D255_a40c2ba3-5cf0-41d6-b8cc-fb59eb3ac9b2.jpg?v=1777000265"},{"product_id":"fisher-snes-music-player-v1-5","title":"Fisher SNES Music Player v1.5","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eFisher SNES Music Player v1.5\u003c\/strong\u003e is a dedicated hardware player for \u003cstrong\u003eSNES SPC700 (.SPC) music files\u003c\/strong\u003e. It uses a \u003cstrong\u003ereal SNES sound module\u003c\/strong\u003e — no emulation, no software synthesis. Every note you hear comes directly from authentic SNES audio hardware, delivering the exact sound that defined a generation of gaming music.\u003c\/p\u003e\u003cp\u003eSimply load your .SPC files onto a \u003cstrong\u003eFAT32-formatted SD card\u003c\/strong\u003e, power it on, and enjoy classic SNES soundtracks in their purest form.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal SPC700 hardware output\u003c\/strong\u003e — authentic SNES audio, not emulated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSD card playback\u003c\/strong\u003e — supports FAT32 format, easy to load with any .SPC files\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully assembled and tested\u003c\/strong\u003e — all functions verified before shipping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes in the box:\u003c\/strong\u003e SPC700 music module, 1GB SD card with sample tracks, DC 9V power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Mini UPS battery box\u003c\/strong\u003e — 9V 10200mAh for portable use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoice of case:\u003c\/strong\u003e 3D-printed PETG case or handcrafted acrylic shell (acrylic takes ~2 weeks extra to produce)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicroSD options:\u003c\/strong\u003e 1GB (included), 4GB upgrade, or no card\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: Due to export customs requirements, some branded accessories (such as SD cards) may be substituted or removed.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eOptions Available\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Box:\u003c\/strong\u003e Mini UPS 9V 10200mAh \/ None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e 3D PETG Case \/ Acrylic Shell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC 9V PSU:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicroSD Card:\u003c\/strong\u003e 1GB \/ 4GB \/ None\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/github.com\/denjhang\/Fisher-SNES-Music-Player-v1.5\"\u003eGitHub: denjhang\/Fisher-SNES-Music-Player-v1.5\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123521441989,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-02-28T15_56_08.667Z-87208ac42e4e071cf41fc0b9cc74df47.jpg?v=1777002722"},{"product_id":"mega-midi-5-with-real-yamaha-ym3438","title":"Mega MIDI 5 With Real Yamaha YM3438","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003eAny fan of classic video games from the early 90s surely remembers the iconic soundtracks of the era. The \u003cstrong\u003eSega Genesis \/ Mega Drive\u003c\/strong\u003e stood apart from every other home console with its unmistakable audio signature — gritty guitars, chest-rumbling bass, and silky smooth FM pads. That sound came from the \u003cstrong\u003eYamaha YM2612\u003c\/strong\u003e, one of the most beloved FM synthesis chips in gaming history.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eMega MIDI\u003c\/strong\u003e lets you take any instrument patch from any Genesis game and play it yourself on a MIDI keyboard. Not a recreation. Not an approximation. The real thing.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cp\u003eThe Mega MIDI is \u003cstrong\u003enot an emulator\u003c\/strong\u003e. It runs on genuine hardware chips:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha YM3438\u003c\/strong\u003e (CMOS version of the YM2612) — the authentic FM synthesis chip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSN76489 PSG\u003c\/strong\u003e — the original programmable sound generator, also on-board\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe instrument patches are not \"sound-alikes\" — they are \u003cstrong\u003eone-for-one copies\u003c\/strong\u003e with identical settings to those found in the original games. You are playing the actual patches on authentic hardware.\u003c\/p\u003e\u003cp\u003eThose who know understand that emulated YM2612s often sound terrible. Most emulators — even in officially licensed products — fail to capture the chip's signature character. The Mega MIDI doesn't compromise.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e3D printed case included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen color choice:\u003c\/strong\u003e Blue or Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional USB MIDI Host\u003c\/strong\u003e — connect USB MIDI devices without a PC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional USB MIDI keyboard bundles\u003c\/strong\u003e — 25, 32, 49, or 88 keys\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOptions Available\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D Printed Case:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIDI Host:\u003c\/strong\u003e None \/ USB MIDI Host\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen Color:\u003c\/strong\u003e Blue \/ Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Chips:\u003c\/strong\u003e YM3438 + SN76489\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB MIDI Keyboard:\u003c\/strong\u003e 25-key \/ 32-key \/ 49-key \/ 88-key \/ None\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/denjhang\/MegaMIDI\"\u003eGitHub: MegaMIDI\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=Kdk7GF2KUkI\"\u003eYouTube Demo 1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=JBAJB8wqR30\"\u003eYouTube Demo 2\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123537662149,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2025-04-08T15_56_08.359Z-7C2F57B5F1142479A6B38DCCDD179A0C.jpg?v=1777005269"},{"product_id":"megagrrl-desktop-hardware-vgm-player","title":"MegaGRRL Desktop - Hardware VGM Player","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eMegaGRRL Desktop\u003c\/strong\u003e is a hardware VGM player — a DIY-focused respin of the original \u003cstrong\u003eMegaGRRL Portable\u003c\/strong\u003e Sega Genesis Video Game Music Player. It retains all the features of the original (minus battery power as default), with hardware redesigned for lower cost and easier assembly.\u003c\/p\u003e\u003cp\u003eLicensed for commercial production and sales by \u003cstrong\u003ekunoichilabs\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003ePlay VGM files through \u003cstrong\u003ereal sound chips\u003c\/strong\u003e — no emulation, no software synthesis. Choose from a wide range of authentic MegaMod sound modules to customize your audio experience.\u003c\/p\u003e\u003ch3\u003eWhy did you make it?\u003c\/h3\u003e\u003cp\u003eThe MegaGRRL Desktop makes hardware VGM playback accessible to more people. The redesigned PCB lowers the barrier to entry while keeping the authentic sound chip experience that makes MegaGRRL special. The translucent acrylic protective film gives it a dreamy diffuse reflection effect that looks as good as it sounds.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal hardware sound chips\u003c\/strong\u003e — no emulation; choose your MegaMod module for authentic audio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide MegaMod compatibility\u003c\/strong\u003e — supports 13 sound chip configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSD card VGM playback\u003c\/strong\u003e — optional Micro SD card reader for loading music files\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible power options\u003c\/strong\u003e — 9V rechargeable battery box, Mini UPS 10200mAh, or no battery box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShell options\u003c\/strong\u003e — PETG shell or base only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLicensed design\u003c\/strong\u003e — commercially produced under license from kunoichilabs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMegaMod Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal YM2612 (OPN2) + DCSG\u003c\/strong\u003e — the original Sega Genesis FM chip paired with the SN76489 PSG; the most authentic Genesis sound experience\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal YM3438 (OPN2C) + DCSG\u003c\/strong\u003e — CMOS revision of the YM2612 with the same Genesis FM character, often considered slightly cleaner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF276 (OPN2C-L) MegaMod\u003c\/strong\u003e — low-voltage OPN2C variant, compatible with Genesis VGM files\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF288 (OPN3-L) MegaMod\u003c\/strong\u003e — OPN3 chip used in PC-98 sound cards; supports a wider range of FM operators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPNA MegaMod\u003c\/strong\u003e — Yamaha YM2608, the iconic FM+SSG+ADPCM chip from the PC-88\/98 era\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL3 MegaMod\u003c\/strong\u003e — Yamaha YMF262, the classic PC Sound Blaster Pro 2 \/ AdLib Gold FM chip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPM MegaMod\u003c\/strong\u003e — Yamaha YM2151, the 8-operator FM chip from arcade machines and the Sharp X68000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2xOPN MegaMod\u003c\/strong\u003e — dual YM2203 (OPN) chips for stereo PC-88\/98 and arcade music playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF297 MegaMod\u003c\/strong\u003e — OPN3-L variant with enhanced compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL + DCSG MegaMod\u003c\/strong\u003e — Yamaha YM2413 (MSX-MUSIC) paired with DCSG; great for MSX and SG-1000 VGM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNES MegaMod (unofficial firmware)\u003c\/strong\u003e — plays NES APU VGM files using real NES audio hardware; community-developed firmware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMU762 (MA-3) MegaMod (unofficial firmware)\u003c\/strong\u003e — Yamaha MA-3 wavetable chip found in mobile phones; unique and rare sound source\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWithout sound chips\u003c\/strong\u003e — base unit only, for those who want to install their own MegaMod module\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Box:\u003c\/strong\u003e 9V Rechargeable \/ Mini UPS 9V 10200mAh \/ None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicro SD Card Reader:\u003c\/strong\u003e With \/ Without\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShell:\u003c\/strong\u003e PETG Shell \/ Base only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/natarii\/MegaGRRL\"\u003eGitHub: MegaGRRL (natarii)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/hackaday.io\/project\/169129-megagrrl-desktop\"\u003eHackaday.io Project Page\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/git.agiri.ninja\/natalie\/megagrrl\"\u003eGit: natalie\/megagrrl\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"OPN2+DCSG","offer_id":46454578544837,"sku":null,"price":179.0,"currency_code":"USD","in_stock":true},{"title":"OPN2C+DCSG","offer_id":46454578577605,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"OPNA","offer_id":46454578610373,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"OPN3","offer_id":46454578643141,"sku":null,"price":149.0,"currency_code":"USD","in_stock":true},{"title":"OPM","offer_id":46454578675909,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"OPL3","offer_id":46454578708677,"sku":null,"price":149.0,"currency_code":"USD","in_stock":true},{"title":"2xOPN","offer_id":46454578741445,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"2xPSG","offer_id":46454578774213,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"OPN+OPLL","offer_id":46454578806981,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"OPLL+DCSG","offer_id":46454578839749,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"NES","offer_id":46454578872517,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"MA-3","offer_id":46454578905285,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"OPNB","offer_id":46454578938053,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true},{"title":"without sound chips","offer_id":46454610329797,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/7EF7EA18-71DF-4473-8493-1D2A10299E90.jpg?v=1782447691"},{"product_id":"megamod-for-megagrrl-desktop","title":"MegaMod for MegaGRRL Desktop","description":"\u003ch3\u003eWhat is it?\u003c\/h3\u003e\u003cp\u003eA complete selection of \u003cstrong\u003eMegaMod sound modules\u003c\/strong\u003e for the MegaGRRL Desktop hardware VGM player. Each MegaMod is a plug-in daughterboard carrying real, tested sound chips — no emulation, no clones (unless noted). Choose the chip family that matches the music you want to play.\u003c\/p\u003e\u003cp\u003eOptionally bundle with a \u003cstrong\u003eMegaGRRL Desktop\u003c\/strong\u003e unit for a complete ready-to-play system.\u003c\/p\u003e\u003ch3\u003eWhy did you make it?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOPL3 and OPNA MegaMods\u003c\/strong\u003e are designed by natalie (kunoichilabs). All other modules are designed by me. Every chip on every module is genuine, tested, and verified to function correctly — capable of producing beautiful, authentic music from the golden age of FM synthesis.\u003c\/p\u003e\u003ch3\u003eWhat makes it special?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll real chips\u003c\/strong\u003e — every module uses genuine ICs, fully tested before shipping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide chip family coverage\u003c\/strong\u003e — 19 modules spanning OPN, OPL, OPM, OPNA, PSG, NES APU, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular design\u003c\/strong\u003e — swap modules to change your MegaGRRL Desktop’s sound character\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunity-designed\u003c\/strong\u003e — collaborative effort between denjhang and natalie\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMegaMod Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal YM2612 (OPN2) + SN76489\u003c\/strong\u003e — the original Sega Genesis FM chip with PSG; the definitive Genesis sound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal YM3438 (OPN2C) + SN76489\u003c\/strong\u003e — CMOS revision of the YM2612; same Genesis character, slightly cleaner output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCS 8593 (YM2612 Clone)\u003c\/strong\u003e — a YM2612-compatible clone chip for Genesis VGM playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTA-07 (YM2612 Clone)\u003c\/strong\u003e — another YM2612-compatible clone variant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF276 (OPN2C-L) MegaMod\u003c\/strong\u003e — low-voltage OPN2C; Genesis-compatible FM synthesis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF288 (OPN3-L) MegaMod\u003c\/strong\u003e — OPN3 chip from PC-98 sound cards; extended FM operator count\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2xOPN MegaMod\u003c\/strong\u003e — dual YM2203 (OPN) chips for stereo PC-88\/98 and arcade VGM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN+OPLL MegaMod\u003c\/strong\u003e — YM2203 + YM2413 combo; covers MSX-MUSIC and early PC-88 music simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF297 MegaMod\u003c\/strong\u003e — OPN3-L variant with enhanced compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPNA MegaMod\u003c\/strong\u003e — Yamaha YM2608; FM + SSG + ADPCM, the iconic PC-88\/98 sound chip (designed by natalie)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPNB MegaMod (unofficial firmware)\u003c\/strong\u003e — YM2610, the arcade chip from SNK Neo Geo; community firmware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL2 MegaMod\u003c\/strong\u003e — Yamaha YM3812; the original AdLib FM chip, classic PC gaming sound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL3 MegaMod\u003c\/strong\u003e — Yamaha YMF262; Sound Blaster Pro 2 \/ AdLib Gold FM chip (designed by natalie)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL + DCSG MegaMod\u003c\/strong\u003e — YM2413 (MSX-MUSIC) + SN76489; perfect for MSX and Sega SG-1000 VGM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPM MegaMod\u003c\/strong\u003e — Yamaha YM2151; 8-operator FM from arcade machines and the Sharp X68000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2xPSG MegaMod\u003c\/strong\u003e — dual SN76489 PSG chips for stereo chiptune playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2xSAA1099 MegaMod\u003c\/strong\u003e — dual Philips SAA1099 chips; the sound chip of the SAM Coupé and Creative Music System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNES MegaMod (unofficial firmware)\u003c\/strong\u003e — real NES APU hardware for NES VGM playback; community-developed firmware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMU762 (MA-3) MegaMod (unofficial firmware)\u003c\/strong\u003e — Yamaha MA-3 wavetable chip from mobile phones; rare and unique sound source\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBundle Option\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eMegaGRRL Desktop:\u003c\/strong\u003e Add a MegaGRRL Desktop unit to get a complete VGM player system\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eExternal Links\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/git.agiri.ninja\/natalie\/MegaMod_OPNA\"\u003eOPNA MegaMod by natalie\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/hackaday.io\/project\/169129-megagrrl-desktop\"\u003eHackaday.io: MegaGRRL Desktop\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/denjhang\/YMF276-MegaMod-2023\"\u003eGitHub: YMF276 MegaMod\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46123570659525,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2023-08-24T11_32_08.814Z-OPNAS_waifu2x_1920x1080_2n_png.png?v=1777005620"},{"product_id":"ymf276-megamod-opn2-with-external-16-bit-dac","title":"YMF276 MegaMod - OPN2 with External 16-bit DAC","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYMF276 MegaMod\u003c\/strong\u003e is an OPN2-compatible FM sound module built around the \u003cstrong\u003eYMF276\u003c\/strong\u003e chip — Yamaha's OPN2C-L, an upgraded CMOS-process successor to the classic YM2612\/YM3438. Unlike its predecessors, the YMF276 supports a universal \u003cstrong\u003eI2S external 16-bit audio DAC\u003c\/strong\u003e, delivering dramatically improved sound quality over the original 9-bit internal DAC found in OPN2\/OPN2C chips.\u003c\/p\u003e\u003cp\u003eDesigned as a drop-in compatible module for OPN2 sockets, it can be directly plugged in without any identification bit modification, and also supports Mega Drive\/Genesis music playback alongside the SN76489.\u003c\/p\u003e\u003ch2\u003eWhy Was It Made?\u003c\/h2\u003e\u003cp\u003eAfter acquiring hundreds of YMF276 chips in 2021, a dedicated piece of hardware was needed to properly test and utilize them. The YMF276 MegaMod became the earliest MegaMod design — born out of necessity, refined through experience. Its direct OPN2 socket compatibility made it an instant favorite for Mega Drive music enthusiasts.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eThe latest version incorporates a proven \u003cstrong\u003eI2S audio shifter\u003c\/strong\u003e that enables lossless digital volume amplification. This solves a long-standing problem with OPN2\/OPN2C chips: their built-in 9-bit DAC produces audible step noise at low volumes, making FM Towns music — which is often recorded at much lower levels than MD\/Genesis — sound poor when played through a YM2612 or YM3438.\u003c\/p\u003e\u003cp\u003eWith the YMF276 and its 16-bit external DAC, this problem is completely eliminated. You get clean, full-dynamic-range audio at any volume level.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eYMF276 (OPN2C-L) — CMOS upgraded successor to YM2612\/YM3438\u003c\/li\u003e\n\u003cli\u003eExternal I2S 16-bit DAC for lossless, high-quality audio output\u003c\/li\u003e\n\u003cli\u003eI2S audio shifter for lossless digital volume amplification\u003c\/li\u003e\n\u003cli\u003eDirect drop-in compatible with OPN2 sockets — no identification bit required\u003c\/li\u003e\n\u003cli\u003eSupports Mega Drive\/Genesis music playback with SN76489\u003c\/li\u003e\n\u003cli\u003eEliminates step noise issues present in 9-bit OPN2\/OPN2C DACs\u003c\/li\u003e\n\u003cli\u003eIdeal for FM Towns, Mega Drive, and OPN2-based music playback\u003c\/li\u003e\n\u003cli\u003eOpen source hardware — schematics available on GitHub\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Systems\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMega Drive \/ Genesis (OPN2 socket drop-in)\u003c\/li\u003e\n\u003cli\u003eFM Towns (via SPFM\/MegaMod host)\u003c\/li\u003e\n\u003cli\u003eAny OPN2-compatible SPFM host board\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOpen Source\u003c\/h2\u003e\u003cp\u003eThe full hardware design is open source and available on GitHub: \u003ca href=\"https:\/\/github.com\/denjhang\/YMF276-MegaMod-2023\"\u003egithub.com\/denjhang\/YMF276-MegaMod-2023\u003c\/a\u003e\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46136910446789,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2025-06-03T13_06_53.320Z-FBC68B061834D5B4587C31A7492A3BDA.jpg?v=1777379470"},{"product_id":"yamaha-ymz294-ymz284-ssgl-ssglp-real-chip","title":"YAMAHA YMZ294 YMZ284 SSGL SSGLP Real Chip","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYMZ294\u003c\/strong\u003e and \u003cstrong\u003eYMZ284\u003c\/strong\u003e are compact Yamaha PSG sound source LSIs, software-compatible with the YM2149 (SSG). Both chips feature three square wave tone generators, one noise generator, and an envelope generator — delivering the classic chiptune sound beloved by retro hardware enthusiasts and makers alike.\u003c\/p\u003e\u003cp\u003eAvailable as bare chips (\u003cstrong\u003eSSGL\u003c\/strong\u003e for YMZ284, \u003cstrong\u003eSSGLP\u003c\/strong\u003e for YMZ294) or bundled with the \u003cstrong\u003eRE2-YMZ284\/294 Sound Card\u003c\/strong\u003e for immediate use with SPFM-compatible systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3 square wave tone channels + 1 noise channel\u003c\/li\u003e\n\u003cli\u003eBuilt-in 3 × 5-bit DACs for 3-tone mixing output\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose CPU interface: CS, WR control signals + 8-bit data bus\u003c\/li\u003e\n\u003cli\u003eWide 8-octave sound range\u003c\/li\u003e\n\u003cli\u003eSmooth decay from built-in envelope generator\u003c\/li\u003e\n\u003cli\u003e5V single power supply — simple to integrate\u003c\/li\u003e\n\u003cli\u003eThrough-hole DIP18 package — easy to socket and swap\u003c\/li\u003e\n\u003cli\u003eSoftware compatible with YM2149 \/ AY-3-8910 register set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMain Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Sound source IC (PSG)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply voltage:\u003c\/strong\u003e 4.75V – 5.25V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e 0°C – 70°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting type:\u003c\/strong\u003e Through hole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP18\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eVariants\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMZ284 (SSGL):\u003c\/strong\u003e Standard compact PSG, single 5V supply, no external clock needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMZ294 (SSGLP):\u003c\/strong\u003e Enhanced variant with additional features, +$1.00\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOptions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip only:\u003c\/strong\u003e Bare chip for your own projects, breadboards, or custom PCBs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRE2-YMZ284\/294 Sound Card:\u003c\/strong\u003e Ready-to-use RE:birth 2nd compatible sound card for SPFM series motherboards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Software \u0026amp; Projects\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/nyannkov\/Psgino\"\u003ePsgino\u003c\/a\u003e — PSG music player library\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/github.com\/cstoquer\/YMZ294-seq\"\u003eYMZ294-seq\u003c\/a\u003e — YMZ294 sequencer project\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Real Chips?\u003c\/h2\u003e\u003cp\u003eEmulation can approximate the sound, but nothing beats the authentic analog character of a real Yamaha PSG chip. Whether you're building a retro computer, a chiptune synthesizer, or a SPFM sound module, these chips deliver the genuine article — warm, characterful square waves with that unmistakable Yamaha PSG signature.\u003c\/p\u003e\u003cp\u003eLong-term stock, fair pricing, no mystery shops — available to makers and enthusiasts worldwide.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46136917360837,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-08-31T19_37_32.138Z-IMG_2782..jpg?v=1777379775"},{"product_id":"re2-ymf297-project-re-birth-2nd-sound-card","title":"RE2-YMF297 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YMF297\u003c\/strong\u003e is a real working sound card built around the \u003cstrong\u003eYMF297\u003c\/strong\u003e chip — a rare FM synthesis IC sourced directly from the \u003cstrong\u003ePC-9801-118\u003c\/strong\u003e sound board. The schematic is derived from the \u003ca href=\"https:\/\/github.com\/denjhang\/PS98-YMF297\"\u003eps98 project\u003c\/a\u003e. Currently, \u003cstrong\u003eOPN3 mode\u003c\/strong\u003e has been verified to be fully functional.\u003c\/p\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life. In the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project, making FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, long-term stock and fair play for everyone.\u003c\/p\u003e\u003ch2\u003eAbout the YMF297 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYMF297\u003c\/strong\u003e is Yamaha's \u003cstrong\u003eOPN3\u003c\/strong\u003e (FM Operator Type-N 3) chip, an advanced successor in the OPN family. It was used in NEC's \u003cstrong\u003ePC-9801-118\u003c\/strong\u003e sound expansion board, one of the most sought-after PC-98 audio cards among collectors and enthusiasts. The chip delivers rich, multi-operator FM synthesis with the characteristic warmth of the OPN lineage.\u003c\/p\u003e\u003cp\u003eBecause the YMF297 is sourced from genuine PC-9801-118 hardware, availability is inherently limited — making this module a rare opportunity for serious collectors and FM music enthusiasts.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic YMF297 (OPN3) chip sourced from PC-9801-118\u003c\/li\u003e\n\u003cli\u003eOPN3 mode verified and fully functional\u003c\/li\u003e\n\u003cli\u003eSchematic based on the open-source ps98 project\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Software\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/MDPlayer\/releases\"\u003eMDPlayer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/110-kenichi\/mame\/releases\"\u003eMAME (kenichi fork)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.pyonpyon.jp\/~gasshi\/fm\/spfmplayer.html\"\u003eSPFM Player\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/BambooTracker\/BambooTracker\"\u003eBambooTracker\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/mml2vgm\"\u003emml2vgm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/dmpsoft.s17.xrea.com\/hoot\/index.html\"\u003eHoot\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eAnd many more SCCI-compatible players\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOpen Source\u003c\/h2\u003e\u003cp\u003eHardware design available on GitHub: \u003ca href=\"https:\/\/github.com\/denjhang\/PS98-YMF297\"\u003egithub.com\/denjhang\/PS98-YMF297\u003c\/a\u003e\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46136935514309,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-06-04T11_43_31.850Z-C729434995A603068297ECD8C7420B97.jpg?v=1777380786"},{"product_id":"re2-ymf276-288-289-project-re-birth-2nd-sound-module","title":"RE2-YMF276\/288\/289 - Project RE:birth 2nd Sound Module","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YMF276\/288\/289\u003c\/strong\u003e is a multi-variant OPL3-family sound module for the SPFM series, supporting three chip options: \u003cstrong\u003eYMF276\u003c\/strong\u003e, \u003cstrong\u003eYMF288\u003c\/strong\u003e, and the rare \u003cstrong\u003eYMF289\u003c\/strong\u003e. The circuit is fully redesigned and compatible with the RE:birth bus.\u003c\/p\u003e\u003ch2\u003eAbout the Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF276 (OPN2C-L):\u003c\/strong\u003e CMOS upgraded successor to YM2612\/YM3438, supports external I2S DAC for superior audio quality. Used in FM Towns and OPN2-compatible systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF288 (OPN3L):\u003c\/strong\u003e An enhanced OPN3 variant with built-in stereo DAC, offering 6-channel FM synthesis with improved audio output. Used in NEC PC-9801 sound boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF289 (OPL3-L):\u003c\/strong\u003e CMOS low-power OPL3 variant, rare and highly sought after by collectors. Compatible with OPL3 software and hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThree chip variants available: YMF276, YMF288, YMF289\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock on YMF276 and YMF288 — fair play, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Software\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/MDPlayer\/releases\"\u003eMDPlayer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/110-kenichi\/mame\/releases\"\u003eMAME (kenichi fork)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.pyonpyon.jp\/~gasshi\/fm\/spfmplayer.html\"\u003eSPFM Player\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/BambooTracker\/BambooTracker\"\u003eBambooTracker\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/mml2vgm\"\u003emml2vgm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/dmpsoft.s17.xrea.com\/hoot\/index.html\"\u003eHoot\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOpen Source\u003c\/h2\u003e\u003cp\u003eHardware design available on GitHub: \u003ca href=\"https:\/\/github.com\/denjhang\/RE2-YMF276-288-289\"\u003egithub.com\/denjhang\/RE2-YMF276-288-289\u003c\/a\u003e\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"YMF276","offer_id":46136942002373,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"YMF288","offer_id":46136942035141,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"YMF289","offer_id":46136942067909,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-27T06_01_14.605Z-70c7232c0c9163c059acc18513eaf79f.jpg?v=1777381379"},{"product_id":"re2-ymf262-project-re-birth-2nd-sound-card","title":"RE2-YMF262 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YMF262\u003c\/strong\u003e is a YMF262 (OPL3) sound card designed for the SPFM series. The circuit is fully redesigned by myself and is compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the YMF262 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYMF262\u003c\/strong\u003e, also known as \u003cstrong\u003eOPL3 (FM Operator Type-L 3)\u003c\/strong\u003e, is Yamaha's most advanced OPL-series FM synthesis chip. It features \u003cstrong\u003e18 channels of 2-operator FM synthesis\u003c\/strong\u003e (or 6 channels of 4-operator), stereo output, and 4 waveform types per operator — a massive upgrade over its OPL2 predecessor.\u003c\/p\u003e\u003cp\u003eThe YMF262 was the heart of the legendary \u003cstrong\u003eSound Blaster Pro 2\u003c\/strong\u003e and \u003cstrong\u003eSound Blaster 16\u003c\/strong\u003e cards, as well as countless PC sound cards of the early 1990s. Its rich, full-bodied FM sound defined PC gaming audio for an entire generation. From id Software's Doom to Sierra adventure games, OPL3 music is deeply embedded in retro gaming culture.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic YMF262 (OPL3) FM synthesis — 18 channels (2-op) or 6 channels (4-op)\u003c\/li\u003e\n\u003cli\u003eStereo output with per-channel panning\u003c\/li\u003e\n\u003cli\u003e4 waveform types per operator for rich timbral variety\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eOPL3:\u003c\/strong\u003e YMF262, YMF289\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Software\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/MDPlayer\/releases\"\u003eMDPlayer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/110-kenichi\/mame\/releases\"\u003eMAME (kenichi fork)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.pyonpyon.jp\/~gasshi\/fm\/spfmplayer.html\"\u003eSPFM Player\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/BambooTracker\/BambooTracker\"\u003eBambooTracker\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/mml2vgm\"\u003emml2vgm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/dmpsoft.s17.xrea.com\/hoot\/index.html\"\u003eHoot\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOpen Source\u003c\/h2\u003e\u003cp\u003eHardware design available on GitHub: \u003ca href=\"https:\/\/github.com\/denjhang\/RE2-YMF262\"\u003egithub.com\/denjhang\/RE2-YMF262\u003c\/a\u003e\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46136949407941,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-01-27T05_57_17.789Z-94fd936429fa58230627b5681cdd01cb.jpg?v=1777381779"},{"product_id":"re2-ym3812-3526-project-re-birth-2nd-sound-card","title":"RE2-YM3812\/3526 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YM3812\/3526\u003c\/strong\u003e is a multi-variant OPL2\/OPL sound card for the SPFM series, supporting three chip options: \u003cstrong\u003eYM3812\u003c\/strong\u003e (DIP24), \u003cstrong\u003eYM3812-F\u003c\/strong\u003e (SOP24), and the classic \u003cstrong\u003eYM3526\u003c\/strong\u003e (DIP24). The circuit is fully redesigned and compatible with the RE:birth bus.\u003c\/p\u003e\u003ch2\u003eAbout the Chips\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM3812\u003c\/strong\u003e, also known as \u003cstrong\u003eOPL2 (FM Operator Type-L 2)\u003c\/strong\u003e, is one of Yamaha's most iconic FM synthesis chips. It features \u003cstrong\u003e9 channels of 2-operator FM synthesis\u003c\/strong\u003e and was the heart of the legendary \u003cstrong\u003eAdLib sound card\u003c\/strong\u003e and early \u003cstrong\u003eSound Blaster\u003c\/strong\u003e cards. Its distinctive FM sound defined PC gaming audio throughout the late 1980s and early 1990s — from early id Software titles to countless Sierra and LucasArts adventures.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eYM3526\u003c\/strong\u003e (OPL) is the predecessor to the YM3812, offering similar 9-channel FM synthesis and used in early arcade hardware and home computers. It is increasingly rare and sought after by collectors.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eYM3812-F\u003c\/strong\u003e is the surface-mount (SOP24) variant of the YM3812, offering identical functionality in a more compact package.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThree chip variants: YM3812 DIP24, YM3812-F SOP24, YM3526 DIP24\u003c\/li\u003e\n\u003cli\u003e9 channels of 2-operator FM synthesis (OPL\/OPL2)\u003c\/li\u003e\n\u003cli\u003eAdLib and Sound Blaster compatible\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock on YM3812 — fair play, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL2:\u003c\/strong\u003e YM3812 (DIP24), YM3812-F (SOP24), U6612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPL:\u003c\/strong\u003e YM3526 (DIP24)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Software\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/MDPlayer\/releases\"\u003eMDPlayer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/110-kenichi\/mame\/releases\"\u003eMAME (kenichi fork)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.pyonpyon.jp\/~gasshi\/fm\/spfmplayer.html\"\u003eSPFM Player\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/BambooTracker\/BambooTracker\"\u003eBambooTracker\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/mml2vgm\"\u003emml2vgm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/dmpsoft.s17.xrea.com\/hoot\/index.html\"\u003eHoot\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOpen Source\u003c\/h2\u003e\u003cp\u003eHardware design available on GitHub: \u003ca href=\"https:\/\/github.com\/denjhang\/RE2-YM3812_3526\"\u003egithub.com\/denjhang\/RE2-YM3812_3526\u003c\/a\u003e\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"YM3812","offer_id":46136957239493,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"YM3526","offer_id":46136957272261,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2024-06-04T12_55_16.856Z-13217E4FD64C58EFA23B1FEF0754E15E.jpg?v=1777382034"},{"product_id":"re2-ym2612-3438-project-re-birth-2nd-sound-card","title":"RE2-YM2612\/3438 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YM2612\/3438\u003c\/strong\u003e is an OPN2-family sound card for the SPFM series, supporting both the \u003cstrong\u003eYM2612\u003c\/strong\u003e and \u003cstrong\u003eYM3438\u003c\/strong\u003e chips. The circuit is fully redesigned and compatible with the RE:birth bus.\u003c\/p\u003e\u003ch2\u003eAbout the Chips\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM2612\u003c\/strong\u003e, also known as \u003cstrong\u003eOPN2 (FM Operator Type-N 2)\u003c\/strong\u003e, is one of the most iconic FM synthesis chips in gaming history. It powered the audio of the \u003cstrong\u003eSega Mega Drive \/ Genesis\u003c\/strong\u003e, delivering the rich, punchy FM sound that defined a generation of console gaming. From Sonic the Hedgehog to Streets of Rage, the YM2612's voice is instantly recognizable to retro gaming fans worldwide.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eYM3438\u003c\/strong\u003e (OPN2C) is the CMOS successor to the YM2612, offering identical functionality with improved power efficiency. It was used in later Mega Drive revisions and is fully software-compatible with the YM2612.\u003c\/p\u003e\u003cp\u003eWith the RE2-YM2612\/3438, you can experience authentic Mega Drive FM sound driven by the real chip — not emulation — through your SPFM-compatible system.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSupports both YM2612 (OPN2) and YM3438 (OPN2C)\u003c\/li\u003e\n\u003cli\u003e6 channels of 4-operator FM synthesis — the authentic Mega Drive sound\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM, STM32-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN2:\u003c\/strong\u003e YM2612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN2C:\u003c\/strong\u003e YM3438, YMF276\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Software\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/MDPlayer\/releases\"\u003eMDPlayer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/110-kenichi\/mame\/releases\"\u003eMAME (kenichi fork)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.pyonpyon.jp\/~gasshi\/fm\/spfmplayer.html\"\u003eSPFM Player\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/BambooTracker\/BambooTracker\"\u003eBambooTracker\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/kuma4649\/mml2vgm\"\u003emml2vgm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/dmpsoft.s17.xrea.com\/hoot\/index.html\"\u003eHoot\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"YM2612","offer_id":46136989941957,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true},{"title":"YM3438","offer_id":46136989974725,"sku":null,"price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/2025-06-03T14_24_21.238Z-CE301BEC84CF044217397DF043B6848B.jpg?v=1777384272"},{"product_id":"picotracker-2-1-palm-sized-open-hardware-groovebox","title":"PicoTracker 2.1 - Palm-Sized Open Hardware Groovebox","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePicoTracker 2.1\u003c\/strong\u003e is a palm-sized, open-hardware groovebox: \u003cstrong\u003e6-track sample sequencer\u003c\/strong\u003e, 44.1 kHz\/16-bit stereo, 15 MB per project, live \u0026amp; step recording, effects, MIDI in\/out, 3.5 mm gold-plated audio, USB-C charging, 2650 mAh battery for 8+ hours, and a bright IPS display. Ships as a ready-to-play unit — just add ideas.\u003c\/p\u003e\u003ch2\u003eWhat's New in v2.1?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIPS display:\u003c\/strong\u003e Upgraded from v1.0 — wider viewing angles, better color reproduction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved PCB layout:\u003c\/strong\u003e Modified by the author to adapt to the new screen and eliminate soldering during final assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCB screen bezel:\u003c\/strong\u003e Integrated frame for a cleaner look\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging indicator LED:\u003c\/strong\u003e Shows charge status even when the device is powered off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefined case feel:\u003c\/strong\u003e Minor ergonomic improvements to the chassis\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTracks:\u003c\/strong\u003e 6-track sample sequencer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e 44.1 kHz \/ 16-bit stereo output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProject storage:\u003c\/strong\u003e 15 MB per project (~90s stereo \/ 180s mono \/ 360s 8-bit mono at max quality)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample format:\u003c\/strong\u003e WAV (supports lower sample rates for extended length)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecording:\u003c\/strong\u003e Live \u0026amp; step recording modes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffects:\u003c\/strong\u003e Built-in audio effects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIDI:\u003c\/strong\u003e MIDI in\/out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio jack:\u003c\/strong\u003e 3.5 mm gold-plated stereo output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e USB-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 2650 mAh — 8+ hours runtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Bright IPS panel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Industrial-grade SLC TF card (pre-flashed with firmware, MIDI test, demo songs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch options:\u003c\/strong\u003e Cherry MX Low Profile or Kailh Choc v1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-solder assembly:\u003c\/strong\u003e Custom PCB tray snaps the IPS screen, switches, and battery — build in 10 minutes with the included screwdriver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch freedom:\u003c\/strong\u003e Choose quiet Cherry MX low-profile reds or tactile Kailh Chocolate; PCB also accepts any Kailh Choc v1 \"pig-nose\" switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMirror-finish screen bezel\u003c\/strong\u003e and gold-plated jacks add studio-grade aesthetics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-flashed 2.1 firmware\u003c\/strong\u003e with factory MIDI test and demo songs — power on and start cutting loops immediately\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen STL pack:\u003c\/strong\u003e Print your own ABS, PETG, or resin case in any color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge LED:\u003c\/strong\u003e Shows charging status while device is off\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: Which option should I buy?\u003c\/strong\u003e\u003cbr\u003eAll options share the same circuit board and functions. To save money, choose the cheapest option. If you prefer a mechanical keyboard with specific keystroke feel, consider the Kailh Chocolate switch version.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Want to DIY the case?\u003c\/strong\u003e\u003cbr\u003eBuy the circuit board kit — all kits are pre-flashed, tested, and shipped with a battery. STL model files are available. The board is compatible with Cherry MX Low Profile and Kailh Choc v1 switches. The \"solder switches yourself\" option does not include switches.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46179340878021,"sku":null,"price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/05_360d82a6-d943-4040-abc0-7e5647d06948.jpg?v=1778034821"},{"product_id":"opnb-megamod-neogeo-ym2610-hardware-vgm-player","title":"OPNB MegaMod - NeoGeo YM2610 Hardware VGM Player","description":"\u003ch2\u003eDemo Videos\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=ULY7uEe2zdk\"\u003eYouTube Demo 1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=wBUBCxPHIzk\"\u003eYouTube Demo 2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=1bPBp78ifcQ\"\u003eYouTube Demo 3\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=r71gTcEZchA\"\u003eYouTube Demo 4\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eOPNB MegaMod\u003c\/strong\u003e is the world's first independent \u003cstrong\u003eYM2610(B) hardware VGM player\u003c\/strong\u003e, capable of playing all NeoGeo game music. It includes an SDRAM controller and supports 8\/16 MB sample ROM — delivering the full, authentic OPNB sound experience without any emulation compromise.\u003c\/p\u003e\u003cp\u003eOPNB MegaMod is a standard \u003cstrong\u003eMegaGRRL music module\u003c\/strong\u003e that can be used with an unofficial upgrade package without any hardware modification.\u003c\/p\u003e\u003ch2\u003eAbout the YM2610 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM2610\u003c\/strong\u003e (OPNB — FM Operator Type-N B) is one of Yamaha's most expressive FM synthesis chips, combining \u003cstrong\u003e4 channels of 4-operator FM synthesis\u003c\/strong\u003e, \u003cstrong\u003e3 SSG channels\u003c\/strong\u003e, and crucially, \u003cstrong\u003emultiple ADPCM PCM channels\u003c\/strong\u003e with a massive 16 MB addressing space for sample ROM. This makes its sonic expressiveness far exceed that of similar Yamaha FM chips.\u003c\/p\u003e\u003cp\u003eThe YM2610 was the heart of the \u003cstrong\u003eSNK NeoGeo\u003c\/strong\u003e arcade and home console, powering legendary soundtracks from Metal Slug, King of Fighters, Samurai Shodown, and hundreds of other classic titles. The YM2610B variant extends FM channel count to 6.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cp\u003eThe YM2610\/B's 16 MB addressing space and complex address\/data bus multiplexing make its sampling memory control circuit extremely challenging to implement. OPNB MegaMod solves this elegantly using an \u003cstrong\u003eAltera Max3000 CPLD as an SDRAM controller\u003c\/strong\u003e to emulate the YM2610 sampling ROM — enabling playback of all NeoGeo game music and select Taito arcade music.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorld's first\u003c\/strong\u003e independent YM2610(B) hardware VGM player\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandalone operation:\u003c\/strong\u003e No computer or host required — just power and headphones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull NeoGeo music support:\u003c\/strong\u003e All NeoGeo VGM files playable with authentic hardware sound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaito arcade support:\u003c\/strong\u003e Compatible with select Taito arcade music (YM2610-based titles)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDRAM controller:\u003c\/strong\u003e Altera Max3000 CPLD emulates 8\/16 MB sample ROM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMegaGRRL compatible:\u003c\/strong\u003e Standard MegaGRRL module format, works with unofficial upgrade package\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo hardware modification required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip:\u003c\/strong\u003e YM2610 \/ YM2610B (OPNB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM channels:\u003c\/strong\u003e 4 (YM2610) \/ 6 (YM2610B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSG channels:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eADPCM:\u003c\/strong\u003e Multiple PCM channels with 8\/16 MB sample ROM support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDRAM controller:\u003c\/strong\u003e Altera Max3000 CPLD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e VGM playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Standalone (no PC required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule format:\u003c\/strong\u003e Standard MegaGRRL\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOptions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith MegaGRRL Desktop\u003c\/strong\u003e — $299 (complete standalone player)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule only (no MegaGRRL Desktop)\u003c\/strong\u003e — $200 (-$99)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46179362668741,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/05_7905a046-e726-42b9-a3d7-0d26eed76083.jpg?v=1778035446"},{"product_id":"opn-opll-megamod-ym2203-ym2413-combo","title":"OPN+OPLL MegaMod - YM2203 \u0026 YM2413 Combo","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eOPN+OPLL MegaMod\u003c\/strong\u003e is a dual-chip music module combining the \u003cstrong\u003eYM2203 (OPN)\u003c\/strong\u003e and \u003cstrong\u003eYM2413 (OPLL)\u003c\/strong\u003e on a single MegaGRRL-compatible board. Plug it into your MegaGRRL and unlock authentic playback of \u003cstrong\u003eMSX-Music\u003c\/strong\u003e and \u003cstrong\u003ePC-88\/PC-98\u003c\/strong\u003e VGM\/VGZ format music — all from real hardware chips, not emulation.\u003c\/p\u003e\u003ch2\u003eWhy Was It Made?\u003c\/h2\u003e\u003cp\u003eIn 2023, the desire to play MSX-Music through MegaGRRL led to a collaboration between Denjhang (PCB design) and Natalie (firmware\/programming). After \u003cstrong\u003e5 iterative versions\u003c\/strong\u003e, the OPN+OPLL MegaMod was born — a refined, feature-complete module that handles the unique challenges of mixing OPN and OPLL audio with independent volume control and clean output.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2413 differential amplifier circuit\u003c\/strong\u003e with single 5V power supply — pure sound quality and high volume output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent volume potentiometers\u003c\/strong\u003e for OPLL, OPN, and SSG — fine-tune each sound source separately\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal master volume potentiometer\u003c\/strong\u003e for overall level control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSG stereo switch\u003c\/strong\u003e — freely configure stereo or mono SSG output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip select signal indicator LEDs\u003c\/strong\u003e — simple visual feedback showing which chip is active\u003c\/li\u003e\n\u003cli\u003e5 versions of iterative development for refined, reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Music Systems\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMSX-Music (OPLL):\u003c\/strong\u003e YM2413-based MSX music, FMPAC titles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePC-88 \/ PC-98 (OPN):\u003c\/strong\u003e YM2203-based Japanese PC music\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSG (PSG):\u003c\/strong\u003e Built-in 3-channel square wave from YM2203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e VGM \/ VGZ\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChips:\u003c\/strong\u003e YM2203 (OPN) + YM2413 (OPLL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPN:\u003c\/strong\u003e 3-channel FM + 3-channel SSG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOPLL:\u003c\/strong\u003e 9-channel FM (or 6 FM + 5 rhythm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume control:\u003c\/strong\u003e Independent OPLL \/ OPN \/ SSG + master\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSG output:\u003c\/strong\u003e Stereo switch on-board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Single 5V supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule format:\u003c\/strong\u003e Standard MegaGRRL compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator:\u003c\/strong\u003e Chip select signal LEDs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Systems\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMegaGRRL Desktop (hardware VGM player)\u003c\/li\u003e\n\u003cli\u003eAny MegaGRRL-compatible host\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46179367289029,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/05_ddfb3c30-3917-4356-9515-c42f51b38175.jpg?v=1778035758"},{"product_id":"re2-ym2163-project-re-birth-2nd-sound-card","title":"RE2-YM2163 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eDemo Video\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=2eTxLP8I1g4\"\u003eYouTube Demo\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic FM sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make FM music chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-YM2163\u003c\/strong\u003e is a YM2163 sound card designed for the SPFM series, featuring the latest \u003cstrong\u003eYM2163_SPFM_Piano_MIDI_v10\u003c\/strong\u003e driver. The new version supports \u003cstrong\u003e4× YM2163\u003c\/strong\u003e simultaneously and features an optimized channel allocation algorithm for richer, more expressive polyphony.\u003c\/p\u003e\u003ch2\u003eAbout the YM2163 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYM2163\u003c\/strong\u003e is a rare and fascinating Yamaha FM synthesis chip — a variant in the OPL family designed specifically for electronic piano and keyboard applications. Unlike the more common OPL2\/OPL3 chips used in PC sound cards, the YM2163 was targeted at dedicated musical instrument hardware, giving it a distinctive tonal character prized by FM synthesis enthusiasts.\u003c\/p\u003e\u003cp\u003eIts rarity makes it a collector's item, and the RE2-YM2163 is one of the very few ways to experience this chip in a modern, accessible SPFM-compatible format.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic YM2163 FM synthesis — rare OPL-family piano\/keyboard chip\u003c\/li\u003e\n\u003cli\u003eLatest \u003cstrong\u003eYM2163_SPFM_Piano_MIDI_v10\u003c\/strong\u003e firmware\u003c\/li\u003e\n\u003cli\u003eSupports up to \u003cstrong\u003e4× YM2163\u003c\/strong\u003e simultaneously for expanded polyphony\u003c\/li\u003e\n\u003cli\u003eOptimized channel allocation algorithm for intelligent voice management\u003c\/li\u003e\n\u003cli\u003eMIDI support — use as a hardware MIDI sound module\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eYM2163 Virtual Piano v10 — Control Software\u003c\/h2\u003e\u003cp\u003eA high-performance, real-time control application for the RE:SPFM Quad YM2163 hardware platform. Built on the \u003cstrong\u003eDear ImGui\u003c\/strong\u003e immediate-mode GUI framework, the software provides comprehensive MIDI routing, intelligent voice allocation, adaptive dynamics processing, and hardware state visualization.\u003c\/p\u003e\u003ch3\u003eCore Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIDI Input \u0026amp; Routing:\u003c\/strong\u003e USB MIDI, virtual MIDI cables, and Standard MIDI File (Format 0\/1) playback. Sub-millisecond latency with full CC support (sustain, volume, modulation, pitch bend)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Voice Allocation:\u003c\/strong\u003e 16 MIDI channels → 24 physical YM2163 channels across 4 slots. First-fit + priority-based voice stealing (age, velocity, envelope state). Per-slot enable\/disable, mute, solo, and hot-swap support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdaptive Velocity Mapping:\u003c\/strong\u003e Continuous histogram analysis over 1024-event sliding window. Auto-adjusts attenuation mapping based on input dynamics — ensures optimal contrast regardless of source MIDI compression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthesis Parameter Control:\u003c\/strong\u003e 5 timbres (Piano, Strings, Organ, Clarinet, Half-Coded), 4 envelope presets (Decay\/Fast\/Medium\/Slow), 3 pedal modes (Disabled\/Piano\/Organ), master volume, octave transpose (±2 oct), fine tuning (±100 cents)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-Time Visualization:\u003c\/strong\u003e 61-key virtual keyboard with velocity color, per-slot channel activity, rhythm VU meters (BD\/HC\/SDN\/HHO\/HHD), envelope phase display, MIDI event log\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIDI File Playback:\u003c\/strong\u003e Directory browser, playlist, auto-play, tempo override (25–200% BPM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration Management:\u003c\/strong\u003e JSON preset save\/load, hardware calibration, clock drift compensation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerformance Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIDI Input Latency:\u003c\/strong\u003e \u0026lt;1ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegister Update Rate:\u003c\/strong\u003e 1000 updates\/second\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUI Refresh Rate:\u003c\/strong\u003e 60 FPS (vsync)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice Allocation Time:\u003c\/strong\u003e \u0026lt;0.5ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Polyphony:\u003c\/strong\u003e 24 voices + 20 rhythm channels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Stack\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGUI:\u003c\/strong\u003e Dear ImGui (immediate-mode, OpenGL 3.3 Core Profile)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIDI Backend:\u003c\/strong\u003e Windows Multimedia API \/ ALSA \/ CoreMIDI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial:\u003c\/strong\u003e USB CDC, 115200 baud\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreading:\u003c\/strong\u003e Decoupled MIDI, hardware, and UI threads with lock-free queues\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46179369320645,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/04_ea53d66e-8fb9-4e1e-b408-57c8a7ca40d3.jpg?v=1778036241"},{"product_id":"re2-sn76489-project-re-birth-2nd-sound-card","title":"RE2-SN76489 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make classic sound chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-SN76489\u003c\/strong\u003e is an SN76489 PSG sound card designed for the SPFM series. The circuit is fully redesigned and compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the SN76489 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSN76489\u003c\/strong\u003e is Texas Instruments' iconic \u003cstrong\u003eProgrammable Sound Generator (PSG)\u003c\/strong\u003e, featuring \u003cstrong\u003e3 square wave tone channels\u003c\/strong\u003e and \u003cstrong\u003e1 noise channel\u003c\/strong\u003e. It is one of the most recognizable chips in gaming history, powering the audio of the \u003cstrong\u003eSega Master System\u003c\/strong\u003e, \u003cstrong\u003eSega Mega Drive \/ Genesis\u003c\/strong\u003e (as a secondary PSG alongside the YM2612), \u003cstrong\u003eBBC Micro\u003c\/strong\u003e, \u003cstrong\u003eColecoVision\u003c\/strong\u003e, \u003cstrong\u003eTI-99\/4A\u003c\/strong\u003e, and countless arcade boards.\u003c\/p\u003e\u003cp\u003eThe SN76489's crisp, buzzy square waves and characteristic noise channel are instantly recognizable to retro gaming fans. From Sonic the Hedgehog's jingles to BBC Micro game music, this chip's voice defined an era of home computing and gaming.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic SN76489 PSG — 3 tone channels + 1 noise channel\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003ePSG:\u003c\/strong\u003e SN76489, SN76489A, SN76496, NCT8496, SMSJ\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eThe SN76489 is the perfect companion chip for OPN2\/OPN2C modules — just as it was in the original Mega Drive hardware. Pairing a RE2-SN76489 with a RE2-YM2612 or RE2-YMF276 in your SPFM system gives you the complete, authentic Mega Drive sound experience: FM music from the YM2612 and PSG effects\/jingles from the SN76489, exactly as the original hardware intended.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation — just like a textbook.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46179388326085,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/04_4069f0ae-2207-4733-9a68-cb8edf102cd4.jpg?v=1778037623"},{"product_id":"re2-saa1099-project-re-birth-2nd-sound-card","title":"RE2-SAA1099 - Project RE:birth 2nd Sound Card","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eProject RE-birth 2nd is the spiritual continuation of \u003ca href=\"https:\/\/web.archive.org\/web\/20210307031049\/ym2203.com\"\u003eProject RE-birth\u003c\/a\u003e — a legendary open hardware project dedicated to bringing classic sound chips back to life.\u003c\/p\u003e\u003cp\u003eIn 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public schematics, and stopped the distribution of all peripheral hardware. Even with money in hand, it became impossible to purchase any SPFM motherboard or rebirth module. This was deeply frustrating for enthusiasts worldwide.\u003c\/p\u003e\u003cp\u003eIn the absence of original hardware, I forked almost all RE-birth music modules to truly revive this project. My mission: make classic sound chips available to people all over the world — no internal meetings, no mystery stores, no hunger marketing, just long-term stock and fair play for everyone.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eRE2-SAA1099\u003c\/strong\u003e is an SAA1099 sound card designed for the SPFM series. The circuit is fully redesigned and compatible with the RE:birth bus. It can be used with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and other compatible motherboards.\u003c\/p\u003e\u003ch2\u003eAbout the SAA1099 Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSAA1099\u003c\/strong\u003e is Philips' distinctive \u003cstrong\u003e6-channel stereo sound generator\u003c\/strong\u003e, featuring \u003cstrong\u003e6 square wave tone channels\u003c\/strong\u003e with individual stereo panning, \u003cstrong\u003e2 noise generators\u003c\/strong\u003e, and \u003cstrong\u003e6 envelope generators\u003c\/strong\u003e. It is best known as the sound chip of the \u003cstrong\u003eSAM Coupé\u003c\/strong\u003e home computer and the \u003cstrong\u003eCreative Music System (CMS) \/ Game Blaster\u003c\/strong\u003e — the predecessor to the Sound Blaster card.\u003c\/p\u003e\u003cp\u003eThe SAA1099's stereo capabilities and rich 6-channel architecture give it a unique character among PSG-class chips. Its envelope generators allow for more expressive, dynamic sound than typical square-wave PSGs, making it a fascinating chip for chiptune composers and retro hardware enthusiasts.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuthentic SAA1099 — 6-channel stereo PSG with envelope generators\u003c\/li\u003e\n\u003cli\u003e6 independent stereo-panned tone channels\u003c\/li\u003e\n\u003cli\u003e2 noise generators\u003c\/li\u003e\n\u003cli\u003e6 envelope generators for expressive dynamics\u003c\/li\u003e\n\u003cli\u003eCompatible with RE:birth bus standard\u003c\/li\u003e\n\u003cli\u003eWorks with SPFM Light, SPFM Lite, RESPFM, IAP-RESPFM and more\u003c\/li\u003e\n\u003cli\u003eClassic NE5532 dual op-amp for excellent audio output quality\u003c\/li\u003e\n\u003cli\u003eAdjustable volume control on-board\u003c\/li\u003e\n\u003cli\u003eExcellent digital-to-analog isolation for clean, noise-free sound\u003c\/li\u003e\n\u003cli\u003eStandardized RE:birth module form factor\u003c\/li\u003e\n\u003cli\u003eLong-term stock — always available, no artificial scarcity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupported Chips\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eSAA:\u003c\/strong\u003e SAA1099, SAA1099P\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCompatible Mainboards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSPFM Light\u003c\/li\u003e\n\u003cli\u003eSPFM Lite (2 slots)\u003c\/li\u003e\n\u003cli\u003eRESPFM\u003c\/li\u003e\n\u003cli\u003eIAP-RESPFM (4 slots)\u003c\/li\u003e\n\u003cli\u003eSTM32-RESPFM (4 slots)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Did I Make It?\u003c\/h2\u003e\u003cp\u003eThe SAA1099 is one of the most underappreciated sound chips of the 8-bit era. Its stereo output and envelope generators set it apart from the AY\/SN PSG family, and the Game Blaster \/ CMS card gave it a brief but memorable presence in PC gaming history. The RE2-SAA1099 brings this rare chip into the modern SPFM ecosystem, letting enthusiasts explore its unique sonic character through VGM playback and live experimentation.\u003c\/p\u003e\u003cp\u003eThe RE:birth module design philosophy pursues the ultimate in sound quality, standardized appearance, and thoughtful bus layout with proper ground plane isolation — just like a textbook.\u003c\/p\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46182265946309,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/04_3603b9bc-a9cd-4920-bb68-b84142b3a32f.jpg?v=1778070976"},{"product_id":"fisher-nes-music-box-2a03-nsf-vgm-player","title":"Fisher NES Music Box - 2A03 NSF\/VGM Player","description":"\u003ch2\u003eDemo Video\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=A6PvA9aXd_U\"\u003eYouTube Demo\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eFisher NES Music Box\u003c\/strong\u003e is the \u003cstrong\u003eworld's first publicly available hardware NSF player\u003c\/strong\u003e — a standalone device that plays authentic NES\/Famicom music using a real \u003cstrong\u003eRP2A03\u003c\/strong\u003e (or compatible clone) sound chip, with no emulation involved.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eNES Sound Format (.nsf)\u003c\/strong\u003e is used for storing and playing music ripped directly from NES and Famicom games — similar to the PSID format for C64 music. An NSF file contains the original music code from the game, which runs on real NES sound hardware to produce authentic chiptune audio. The Fisher NES Music Box puts that music code into memory, prepares the sound hardware, and runs it — exactly as the original NES would.\u003c\/p\u003e\u003ch2\u003eWhy Was It Made?\u003c\/h2\u003e\u003cp\u003eNo similar hardware NSF player existed. Fisher built this one to fill that gap — giving chiptune enthusiasts a way to experience NES music on real hardware, not just in software emulators.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorld's first\u003c\/strong\u003e publicly available hardware NSF player\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal RP2A03 chip\u003c\/strong\u003e (optional) — authentic NES sound, not emulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAltera CPLD + SDRAM\u003c\/strong\u003e implements the entire NES peripheral circuit in a compact, elegant design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack switching:\u003c\/strong\u003e Navigate between internal tracks within an NSF file\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50\/60Hz playback speed switch\u003c\/strong\u003e — toggle between PAL and NTSC timing\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSupports RP2A03 and compatible clone chips\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eActive development — future updates planned for expansion chip support and larger NSF files\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCurrent Limitations\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSupports NSF files up to 32KB only — do not attempt larger files\u003c\/li\u003e\n\u003cli\u003eDoes not currently support sound expansion chips (VRC6, MMC5, FDS, N163, etc.)\u003c\/li\u003e\n\u003cli\u003eProject is under active development — more features planned\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the RP2A03\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eRP2A03\u003c\/strong\u003e (Ricoh 2A03) is the iconic sound chip of the \u003cstrong\u003eNintendo Entertainment System \/ Famicom\u003c\/strong\u003e. It contains a \u003cstrong\u003e6502-compatible CPU core\u003c\/strong\u003e alongside a built-in \u003cstrong\u003eAPU (Audio Processing Unit)\u003c\/strong\u003e featuring:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2 pulse wave channels\u003c\/li\u003e\n\u003cli\u003e1 triangle wave channel\u003c\/li\u003e\n\u003cli\u003e1 noise channel\u003c\/li\u003e\n\u003cli\u003e1 DPCM sample channel\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe RP2A03's distinctive sound — punchy pulses, rumbling triangle bass, and crunchy DPCM samples — defined the sound of an entire generation of gaming. From Super Mario Bros. to Mega Man, Castlevania to Contra, the 2A03 is one of the most beloved sound chips in history.\u003c\/p\u003e\u003ch2\u003eOptions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith original RP2A03\u003c\/strong\u003e — $299 (authentic NES chip included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWithout RP2A03\u003c\/strong\u003e — $200 (use your own chip or clone, -$99)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46182329942213,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/05_9f5db9a6-c32d-474e-9dac-df6a93dd163f.jpg?v=1778071706"},{"product_id":"ma-3-ymu762-megamod-mobile-phone-mmf-mid-player","title":"MA-3 YMU762 MegaMod - Mobile Phone MMF\/MID Player","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eMA-3 YMU762 MegaMod\u003c\/strong\u003e is a retro Japanese and Korean flip phone music player built around the original \u003cstrong\u003eYMU762 (MA-3)\u003c\/strong\u003e chip. It supports playing music in \u003cstrong\u003eMMF (SMAF)\u003c\/strong\u003e and \u003cstrong\u003eMID (MIDI)\u003c\/strong\u003e formats — the authentic ringtone and game music formats of early 2000s mobile phones.\u003c\/p\u003e\u003cp\u003eThis is the \u003cstrong\u003eworld's first self-made open source hardware\u003c\/strong\u003e capable of independently playing MMF format music. Relive the iconic sound of retro mobile phone ringtones without a computer — just power and a speaker.\u003c\/p\u003e\u003ch2\u003eAbout the YMU762 (MA-3) Chip\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eYMU762\u003c\/strong\u003e, marketed as \u003cstrong\u003eMA-3\u003c\/strong\u003e, is a synthesizer LSI designed by Yamaha for mobile phones to realize advanced game sounds. It features a \u003cstrong\u003estereophonic hybrid synthesizer system\u003c\/strong\u003e combining the best of both FM and Wave Table synthesis:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e32 FM voices\u003c\/strong\u003e simultaneous — FM synthesis with compact parameter encoding (tens of bytes per voice), ideal for melody distribution over mobile networks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 Wave Table voices\u003c\/strong\u003e simultaneous — built-in ROM voices plus arbitrary ADPCM\/PCM voices downloadable via sequencer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in hardware sequencer\u003c\/strong\u003e — handles complex playback without loading the host CPU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in speaker amplifier\u003c\/strong\u003e — direct speaker drive, no external amp needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibrator \u0026amp; LED control circuit\u003c\/strong\u003e — synchronizes physical feedback with music playback\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe MA-3 was used in countless Japanese and Korean feature phones of the early 2000s, powering the distinctive ringtones and game sounds that defined that era of mobile culture.\u003c\/p\u003e\u003ch2\u003eWhat Makes It Special?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorld's first\u003c\/strong\u003e open source hardware MMF player — plays retro mobile ringtones standalone\u003c\/li\u003e\n\u003cli\u003eSupports \u003cstrong\u003eMA2\/MA3 SMAF (.mmf)\u003c\/strong\u003e mobile phone ringtone format directly\u003c\/li\u003e\n\u003cli\u003eSupports \u003cstrong\u003eMIDI files up to 127KB\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConfigurable \u003cstrong\u003eplayback loop count\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUses the \u003cstrong\u003eoriginal YMU762 chip\u003c\/strong\u003e — authentic hardware sound, not emulation\u003c\/li\u003e\n\u003cli\u003eMegaGRRL-compatible module format\u003c\/li\u003e\n\u003cli\u003eNo computer required for playback\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip:\u003c\/strong\u003e YMU762 (MA-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM voices:\u003c\/strong\u003e 32 simultaneous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWave Table voices:\u003c\/strong\u003e 8 simultaneous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported formats:\u003c\/strong\u003e MMF\/SMAF (MA2\/MA3), MIDI (\u0026lt;127KB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in:\u003c\/strong\u003e Speaker amplifier, hardware sequencer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule format:\u003c\/strong\u003e MegaGRRL compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Standalone (no PC required)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOptions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith MegaGRRL Desktop\u003c\/strong\u003e — $299 (complete standalone player)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule only\u003c\/strong\u003e — $160 (-$139)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"Default Title","offer_id":46182528221381,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8507\/1813\/files\/06_0f4068d5-71f2-487a-a71f-dcd6dd82e310.jpg?v=1778072094"},{"product_id":"authentic-yamaha-fm-synthesis-chip-tested-original","title":"Real Yamaha FM Synthesis Chip — Tested Original","description":"\u003ch2\u003eWhat is it?\u003c\/h2\u003e\u003cp\u003eAuthentic, original, and tested Yamaha FM synthesis chips — no counterfeits, no AliExpress fakes. 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For SMD package chips, purchasing the corresponding module is recommended instead.\u003c\/p\u003e\u003cp\u003eChoose from a wide selection of Yamaha FM, PSG, DAC, and mobile audio chips spanning decades of synthesis history — from the OPN\/OPL\/OPM families to rare mobile phone audio LSIs.\u003c\/p\u003e\u003ch2\u003eAvailable Chips\u003c\/h2\u003e\u003ch3\u003ePSG \/ SSG Series\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2149\u003c\/strong\u003e — SSG (AY-3-8910 compatible, used in Atari ST, MSX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMZ284\u003c\/strong\u003e — SSG-L (compact single-chip SSG)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAY-3-8910\u003c\/strong\u003e — PSG (used in MSX, CPC, many arcade boards)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAA1099\u003c\/strong\u003e — DSG (used in SAM Coupé, Creative Game Blaster)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2163\u003c\/strong\u003e — DSG (rare OPL-family piano chip)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSN76489\u003c\/strong\u003e — DCSG (used in Sega Master System, Mega Drive, BBC Micro)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOPM Series\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2151\u003c\/strong\u003e — OPM (used in arcade boards, Sharp X68000, early synths)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2164\u003c\/strong\u003e — OPP (rare OPM variant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2414\u003c\/strong\u003e — OPZ (used in Yamaha DX11, TX81Z)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOPN Series\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2203C\u003c\/strong\u003e — OPN (used in PC-88, NEC computers)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2612\u003c\/strong\u003e — OPN2 (used in Sega Mega Drive \/ Genesis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM3438\u003c\/strong\u003e — OPN2C (CMOS version of YM2612)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF276-M\u003c\/strong\u003e — OPN2C-L (low-voltage OPN2C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF288-M\u003c\/strong\u003e — OPN3-L (used in PC-98 later models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2608B\u003c\/strong\u003e — OPNA (used in PC-98, NEC PC-8801)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2610\u003c\/strong\u003e — OPNB (used in SNK NeoGeo)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2610B\u003c\/strong\u003e — OPNB-B (extended OPNB)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOPL Series\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM2413\u003c\/strong\u003e — OPLL (used in MSX-Music, Sega Master System FM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF281\u003c\/strong\u003e — OPLL-P (OPLL variant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eY8950\u003c\/strong\u003e — MSX-Audio \/ OPL1 (with ADPCM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM3812\u003c\/strong\u003e — OPL2 (used in AdLib, Sound Blaster)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF262-M\u003c\/strong\u003e — OPL3 (used in Sound Blaster 16, Pro Audio Spectrum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF289\u003c\/strong\u003e — OPL3-L (low-voltage OPL3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF715\u003c\/strong\u003e — OPL3-SA (integrated OPL3 with mixer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF297\u003c\/strong\u003e — OPL3+OPN3 combo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF268B \/ YMF278B\u003c\/strong\u003e — OPL4 (FM + wavetable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF704C\u003c\/strong\u003e — OPL4-ML\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDAC Series\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM3012\u003c\/strong\u003e — DAC for YM2151, YM2164, YM2414\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM3014\u003c\/strong\u003e — DAC for YM3526, YM3812, YM2203C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM3016\u003c\/strong\u003e — DAC for YM2608B, YM2610\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYAC512\u003c\/strong\u003e — DAC for YM2608, YM2610, YMF262\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYAC513\u003c\/strong\u003e — DAC for YMF278, YMF268\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYAC516\u003c\/strong\u003e — DAC for YMF278, YMF268\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOther Series\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM7129\u003c\/strong\u003e — OPK2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMF271\u003c\/strong\u003e — OPX (extremely rare)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMZ280B\u003c\/strong\u003e — PCMD8 (8-channel PCM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYM3427\u003c\/strong\u003e — PSS-125\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMobile Phone Audio Series\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMU762\u003c\/strong\u003e — MA-3 (32 FM + 8 WT voices, used in early 2000s Japanese phones)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMU765\u003c\/strong\u003e — MA-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYMU786\u003c\/strong\u003e — MA-7\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNotes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAll DIP package chips are individually tested before shipping\u003c\/li\u003e\n\u003cli\u003eSMD package chips: purchasing the corresponding module is strongly recommended\u003c\/li\u003e\n\u003cli\u003eBase price is for OPNA YM2608B — select your chip from the variant options\u003c\/li\u003e\n\u003cli\u003eSome chips are extremely rare — limited quantities available\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Denjhang's Retro Hardware","offers":[{"title":"OPM 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YM2163","offer_id":46238801494213,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"SSG YM2149","offer_id":46238801559749,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"NES RP2A03","offer_id":46238801592517,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"MCSSG SAA1099","offer_id":46238801625285,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"OPN2 YM2612","offer_id":46238811291845,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true},{"title":"OPN3-L YMF288","offer_id":46238826725573,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"OPN2C YM3438","offer_id":46238811324613,"sku":null,"price":89.0,"currency_code":"USD","in_stock":true},{"title":"OPN2C-L YMF276","offer_id":46238811357381,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"OPNA YM2608","offer_id":46238811390149,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"OPNB YM2610","offer_id":46238811422917,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"OPNB-B YM2610B","offer_id":46238811455685,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"DAC YM3014","offer_id":46238811160773,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"DAC YM3016","offer_id":46238811193541,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"DAC YM3012","offer_id":46238801526981,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"DAC YAC512","offer_id":46238811226309,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"OPL 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