ONLY FOR ROLAND GS-500 GUITAR
Hand and homemade BOX 24 to 13-pin converter
You plug your old GS-500 24-pin guitar and you can play 13-pin GR,VG synth.
Works with all original 24-pin cable.
-Polyensemble Control 13-pin synthMaster volume
-Portamiento/remote control S1/S2 switch
-Volume/tone guitar knobs control Normal signal guitar
- INFINITE SUSTAIN !!!