Yamaha PLG100-VH Vocal Harmony Expansion Board Tested Working Clean from japan

Yamaha PLG100-SG Formant Singing Plug-in Board Synth Tested

Korg 03R/W AI2 Synthesis System 1U Rackmount Sound Module Tested W/Power Cable

Yamaha PLG100-VL Virtual Acoustic Synth Expansion Board Working Tested

Roland SR-JV80-13 Vocal Collection Expansion Board Tested & Working With Box Etc

Yamaha PLG100-SG formant synging Plug-In Expansion Board XG

Yamaha PLG100-VL Virtual Acoustic Plug-In Board for MU100, S90, MU128 & more.

Roland SC-8820 Sound Module Boxed Near Complete Set Tested Works Vintage MIDI GS