Used Roland GR-20 Effect Processor

Used Roland GR-20 Guitar Synth/Effect Processor in good condition, delivering classic Roland COSM tones and expressive synth textures for live or studio. Features quick sound selection, on-board editing, and a built-in expression pedal for real-time control. Includes high-quality guitar effects plus synth voices with polyphonic performance and responsive tracking when paired with a compatible GK pickup. Rugged floor unit design with stereo outputs and standard instrument input for versatile routing.