Used BOSS GP20 Effect Processor

Used BOSS GP20 Amp Factory Effect Processor in fair condition, showing moderate cosmetic wear but fully functional. This dual-channel processor features 22 built-in amp models and various classic effects designed for studio-quality guitar tones. Offers simple, intuitive controls, 1/4" inputs and outputs, plus MIDI compatibility. Ideal for guitarists seeking versatile tone options with vintage BOSS reliability at a great value. Perfect for rehearsal, recording, or backup use in live performance setups.