80's ROLAND GR 500 GUITAR SYNTHESIZER MODULE The "external" section contained a CV/Gate interface to drive an external synth. NO guitar included = just the module as pictured.
ROLAND GR 500 GUITAR SYNTHESIZER - EXTERNAL CV / GATE
Roland GR-20 Guitar Synthesizer Midi Good Working Order Used
Roland GS-500 Guitar Synth Controller 1970s - Sunburst
Roland Gr 707 + GR 700 + PG 200 + M-16C
Roland GR-20 (With Guitar Included). Very Good Condition (GK-3 pickup INCLUDED)
Roland GR-30 Vintage Guitar MIDI Synth
