Roland MT-90U Music Player Sound Module Tested GS GM2 mp3 USB w/ AC100-240V PSU

Roland MT-90S Music Player Speaker Amplifier MIDI Sound Module Black Audio Gear

Roland MC-50 Micro Composer Midi Sequencer no adapter - untested - for parts

ROLAND PR-100 DIGITAL MIDI SEQUENCER Good condition Used From Japan #0021

Roland MT-120 MT-120S Digital Sequencer Sound Module - Guaranteed!

Roland MT-80S Music Player MIDI Disc Player

YAMAHA QY10 Music Sequencer Portable AWM Sound Module MIDI 8-Track w/ Case Used

Yamaha Music Sequencer QY300 Sound Module Tested Very Good w/ power supply