Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Unleash classic Pumpkin-style fuzz with this Used Electro-Harmonix Big Muff Op-Amp in Excellent condition. Built around the famed op-amp Muff circuit, it delivers thick sustain, aggressive bite, and singing leads while still cleaning up with your guitar’s volume. Simple, stage-ready controls include Volume, Tone, and Sustain, with a true-bypass footswitch for a pure signal when off. Runs on 9V battery or standard 9V DC power (center-negative).