Alesis HR16 / HR16B Soundchip Upgrade with Casio RZ-1 + Roland CR78 Cheetah MD16
Include also v2.0 software, turning your Hr16 into Hr16b. CASIO RZ-1 + ROLAND CR78 +. CHEETAH MD16 SOUNDS. ALESIS HR16/HR16B. This is a plug in Eprom upgrade. eprom 16 will go into the socket marked U15.