Used BOSS 1981 SD-1 Effect Pedal

This used 1981 BOSS SD-1 Super OverDrive delivers classic warm, mid-focused grit that tightens up amps and adds punchy sustain for rock, blues, and more. In fair condition with visible wear, it’s ready to bring vintage character to your board. Features simple Drive, Tone, and Level controls for quick dialing, plus the SD-1’s signature asymmetrical clipping for dynamic response. Standard mono in/out and 9V DC power operation.