Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Unleash classic ’70s fuzz with this used Electro-Harmonix Big Muff Op-Amp in Excellent condition. Famous for its aggressive, tight distortion and singing sustain, it delivers rich harmonic saturation for everything from punchy riffs to soaring leads. Simple, gig-ready controls include Volume, Tone, and Sustain, with a true-bypass footswitch for a clean signal when off. Runs on a 9V battery or standard 9V DC center-negative power supply.