Used BOSS SY1 Effect Pedal

The Used BOSS SY-1 Synthesizer Effect Pedal brings dynamic polyphonic synth tones to your pedalboard with 121 onboard sounds, including leads, pads, and basses. In good condition, this compact stompbox features intuitive controls for tone shaping, expression pedal input, and send/return loop integration. No special pickup required—just plug in any guitar or bass and explore synth textures with zero latency, making it perfect for experimental styles or enhancing your sonic palette.