Used Roland GR-33 Effect Processor

Explore classic guitar synth power with this used Roland GR-33 Effect Processor in fair condition. Designed for 13-pin GK-compatible pickups, it delivers expressive PCM synth tones, multi-effects, and COSM-style amp modeling in a rugged floor unit. Enjoy polyphonic tracking, onboard patch editing, and MIDI In/Out for controlling external gear or recording. Ideal for players who want vintage Roland synth textures and creative sound shaping at a budget-friendly price. Includes power supply and GK cable.