The Roland US-20 is a floor pedal unit that allows a GK-2AH-equipped guitar to control and switch between 2 GR-compatible devices simultaneously -- the GR-33 Guitar Synthesizer and VG-88 V-Guitar System, for example.
Features:
GK-compatible unit selector with 1 x GK-2AH input, 2 x C-13 cable outputs
2 pedals for switching or combining connected units
Durable metal construction
Compatibility with GR-33/30/1/09/50, VG-88/8, GI-10