Used BOSS SD1 Super Overdrive Effect Pedal

The BOSS SD-1 Super Overdrive delivers warm, smooth distortion with subtle sustain, ideal for blues and rock. This used pedal is in good condition and features responsive Level, Tone, and Drive controls. Powered by a 9V battery or adapter, the SD-1 uses BOSS’s asymmetrical clipping to produce classic tube amp-like tones. Its durable build and iconic yellow design make it a trusted choice for guitarists seeking expressive overdrive in a compact, reliable unit.