Used BOSS GP-20 Guitar Amp Processor Effect Processor

Used BOSS GP-20 Guitar Amp Processor in excellent condition delivers premium tone-shaping power with dual COSM amp modeling. Featuring 22 amp types, intuitive knob-based control, dual outputs for stereo sound, and a rugged metal chassis, it's perfect for live performance or studio use. With 44 user patches and onboard speaker simulation, this pedalboard-friendly unit offers authentic amp sounds and reliable build quality for serious guitarists seeking versatility and performance in one compact processor.