Roland M-OC1 Orchestra Sound Module GS MIDI Rack Synth Tested from Japan

Roland Sound Expansion M-OC1 Orchestra Sound Module Works Great

Vintage EMU Proteus 1 Rackmount Synthesizer 80s 90s Fully Working

Professional Mixer Desktop Synthesizer 32 Keys OTG MIDI MIC AUX Headset

Roland U-220 RS-PCM Sound Module Rack Synthesizer

Ploytec PL2 Leukos USB Midi Synthesizer & Alesis Q-Mini Keyboard Controller DUO

EMU Proteus/1 ~ 16-Bit Multi-Timbral Digital Sound Module ~ No Power / AS-IS

Roland U-110 PCM Sound Module Rackmount & Synthesizer