Roland GP-16 Digital Guitar Effects Processor Rack Tested 100V from Japan Used

Valeton GP-180 Multi-Effects Guitar Processor with HD Modeling

Roland GP-8 Guitar Effects Processor Rack Mount Multi Effects Working Japan

DigiTech RP20 Valve Guitar Multi Effects Processor USA 1997 Untested No Adapter

Roland GP-8 Guitar Effects Processor Multi Effector Rack Unit Used

Roland GP-8 Guitar Effects Processor Multi Effects FX Rack Unit

Zoom G5 Multi Effects Guitar Processor Pedal Japan Untested

Valeton GP-150 Multi-Effects Processor - 200+ HD Modeling Effects