Boss SY-1 Synthesizer Effect Pedal

The New Sonic Frontiers with the SY-1, makes it 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.

SY-1 SYNTHESIZER Sound Tryout
Get interactive with our custom TonePedia player and explore hundreds of sound variations. Select your instrument, tweak and choose pedal settings.
*Use headphones and Google Chrome web browser for optimal experience.

Expressive Synth Sounds, No Programming Needed
The SY-1 transforms any guitar or bass into a versatile synthesizer that’s fun, inspiring, and ready to play. Backed by advanced tech first developed for the SY-300, this super-cool pedal delivers a huge selection of analog-style synth sounds while occupying minimal space on your board. What’s more, all the sounds are polyphonic, allowing you to play both single notes and chords.

Plug-and-Play and Latency-Free
The SY-1 can be used with any guitar or bass via a standard 1/4-inch cable, providing an easy, plug-and-play experience. Thanks to custom DSP and the latest BOSS innovations, the SY-1 offers latency-free performance that’s a natural extension of your instrument, letting you to play freely and organically without altering your normal technique in any way.

A Universe of Synth Sounds Inside
With its 11 categories and 121 total sounds, the SY-1 puts an enormous array of synth colors at your fingertips. Expressive leads, sweeping pads, layered organs, fat basses, and more are all on tap, plus a variety of rhythmic synth patterns that are a blast to jam with. And with the grab-and-go Tone/Rate and Depth knobs, you’re able to adjust any synth voice just how you like, including changing the pitch o