- Amazon.com: Boss SY-1 Synthesizer Bundle with Power Supply, Instrument Cable, and Picks : Everything Else
- Boss SY-1 Synthesizer - Five Star
- Boss SY-1 Synth | Page 12 TalkBass.com
- Boss SY-1 Pedal – Motor Guitar
- BOSS SY-1: Your Own Keyboard Player - Articles
- Pre-Owned Boss Synthesizer Pedal - Guitar Guys
- SY-1 Synthesizer Guitar Pedal | Reverb
- Boss SY-1 Pedal - 46159753
- BOSS SY-1 Effects Pedal with Free BIC-25A Cable | Guitar Center
- BOSS SY-1 Synthesizer Pedal | Guitar
- SY-1 Synthesizer
- Boss SY-1 Pedal with 3 Patch Cables
- Sy-1 Synthesizer Musician's Friend
- Amazon.com: Boss SY-1 Guitar Synthesizer Pedal : Instruments
- Boss SY-1 Modulation, phaser tremolo effect pedal
- SY-1 Pedal - Sims
- Boss SY-1 Synthesizer Pedal Mainstagemusic
- Boss SY-1 Reverb
- BOSS SY-1 Synthesizer Pedal STAGE KIT KraftMusic.com
- SY-1 Synthesizer
- SY-1 Syntheziser | American Musical Supply
- Pedals and Effects: Synthesizer by Boss - YouTube
- USED Boss Synthesizer Pedal Original Box Matt's Music Center
- Boss SY-1 Guitar Pedal – Music
- BOSS SY-1 Synthesizer Pedal - B's Music
- – Eastside Music Supply
- Boss SY-1 freeshipping - Music Co.