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


• No special pickup required—play rich, dynamic synth tones with any guitar or bass


• 121 total sounds (11 types and 11 variations), all ready to play with no programming knowledge needed


• Includes a wide variety of analog-style synth sounds, from leads, basses, and layered organs to sweeping pads and arpeggiated sequences


• Latency-free performance for unrestricted musical expression


• Quickly adjust sounds to taste with Tone/Rate and Depth controls


• 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