Used BOSS SD1 Super Overdrive Effect Pedal

Add classic mid‑hump drive and tight punch to your rig with this used BOSS SD‑1 Super OverDrive in good condition. Built around an iconic asymmetric clipping circuit, it’s perfect for pushing tube amps, adding grit to clean tones, or stacking with other drives. Features Level, Tone, and Drive controls plus standard BOSS compact housing with buffered bypass. Runs on a 9V battery or PSA‑style 9V DC adapter input for easy pedalboard power.