Used BOSS SY1 Effect Pedal

Transform your sound with the used BOSS SY-1 Synthesizer Effect Pedal in great condition. This compact pedal offers 121 expressive synth sounds with no need for special pickups—just plug in and play. It features intuitive controls, mono/stereo outputs, and a parallel send/return loop for versatile signal routing. Compatible with guitar and bass, the SY-1 is perfect for players seeking dynamic tone-shaping power in a rugged, pedalboard-friendly design.