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Boss SY-1 Guitar Synthesizer Pedal

With the SY-1, it’s never been easier to infuse your creative arsenal with BOSS’s legendary guitar synth technology. This amazingly expressive tool is filled with 121 ultra-responsive sounds, all distilled down into a BOSS compact pedal that slides easily into any setup. Best of all, it’s as simple to use as a standard stompbox, so you don’t need any background in synth programming to bring a new world of sonic textures to your music.


  • Authentic Boss Polyphonic Guitar Synth in a Compact Pedal
  • 121 Total Sounds (11 Types and 11 Variations), No Programming Needed
  • Hold Function for Playing Normal Guitar Over Sustained Synth Voices
  • Blend Synth and Normal Guitar Sounds with Independent Level Controls
  • Parallel Send/Return Loop for Easy Integration with Other Pedals on Your Board
  • Mode Switch Optimizes the Synth Engine for Guitar or Bass
  • Supports Extended Control with an External Footswitch or Expression Pedal