Used BOSS SY-1 Effect Pedal

The used BOSS SY-1 Synthesizer Pedal is in great condition, delivering dynamic polyphonic synth tones with no special pickups required. Featuring 121 customizable sounds across 11 tone types with 11 variations each, it offers real-time control via expression pedal input and includes a parallel send/return loop for seamless integration. Compact and intuitive, the SY-1 brings expansive synth textures to your rig without sacrificing pedalboard space—perfect for guitarists and bassists seeking expressive sound design.