Used Boss SY 300 Effect Pedal

Unleash massive synth tones from any guitar or bass with this used BOSS SY-300 Guitar Synthesizer in great condition. No special pickup required—just plug in and play. It delivers 3 simultaneous synth engines, deep editing, and onboard effects including delay and reverb, with 99 user memories for instant recall. Stereo 1/4" outputs, 1/4" input, and USB connectivity make it stage- and studio-ready with classic BOSS durability.