This is a compatible version of the Sound Board II (Sound Board 2) for PC-8801FH/PC-8801MH. It is specifically for the FH/MH models and is not compatible with other models. It connects to the dedicated slot inside the main unit. The board features the same YM2608B sound chip as the original. Note: ADPCM is playback only (no recording). This is a handmade/self-made item (自作品). Verified working with games such as Star Cruiser, The Scheme, MISTY BLUE FIRE, HALK, THEXDER2, and HARAKIRI. The seller notes that sound quality/feel may differ slightly from the original due to different components.
Modifications:Custom-made/Handmade (自作品), High Grade Edition (ハイグレード版HG), Black PCB (黒基板)