Used BOSS SY1 Effect Pedal

Transform your guitar tone with this used BOSS SY-1 Synthesizer Pedal, in excellent condition. Featuring 121 onboard synth sounds, it delivers dynamic polyphonic synthesis with no special pickup required. Compact and easy to use, it fits any pedalboard and includes expression and control inputs for real-time sound shaping. Designed for instant inspiration, the SY-1 responds seamlessly to your playing—perfect for guitarists and bassists seeking versatile, synth-driven tones without complex setup.