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Boss SY1 Synthesizer Effect Pedal

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Boss SY1 Synthesizer Pedal

The BOSS SY1 is a synthesizer pedal that transforms any guitar or bass into a versatile synthesizer. Packed with over 100 ultra-responsive sounds, and all in a compact size pedal that will slide right into your setup. Most importantly, it’s just as simple to use as a standard stompbox. So you won’t need to know anything about programming synth sounds to get the best out your SY1.


  • Polyphonic synthesizer pedal for electric guitar and bass

  • 121 total sounds, featuring 11 synth types with 11 variations for each

  • Requires no special pickup or additional electronics

  • No perceptible latency to distract you from your performance

  • Hold function allows you to sustain a synth sound to play over

  • Blend your guitar and synth tones with independent volume controls

  • Parallel send/return loop for integrating effects pedals, or for use as a direct out to a separate amp

  • Additional control via expression pedal or footswitch (not included)