With the Boss 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, the Boss SY-1 is 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.

Key Features:

• 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

Reviews