Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Unleash classic ’70s-style fuzz with this used Electro-Harmonix Big Muff Op-Amp in great condition. Built around an op-amp gain stage for thick, sustaining distortion, it delivers the iconic scooped roar made famous on countless records. Simple controls for Volume, Tone, and Sustain make dialing in anything from gritty overdrive to massive wall-of-sound fuzz effortless. Standard 1/4" input/output, true bypass switching, and 9V DC power (center-negative) for easy pedalboard integration.