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Boss SY-1 Synthesizer Guitar Pedal | Reverb
NPD: Boss SY-1 is an absolute game changer : r/guitarpedals
BOSS SY-1 Synth Pedal | guitar, video recording | The new BOSS SY-1 Synth pedal has been a huge hit, and for good reason! With a whopping 121 different sounds from organs
Boss SY1 Synthesizer Pedal Demo & Track - Dan Leggatt - YouTube
Boss SY-1 Synthesizer Pedal – Motor City Guitar
BOSS SY-1 Guitar Synthesizer Pedal - B's Music Shop
Video Manual: Boss SY-1 Synthesizer - YouTube
NPD - Boss SY1 & SL2, plus a pedalboard cleanup : r/guitarpedals