Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Unleash classic ‘70s fuzz with this used Electro-Harmonix Big Muff Op-Amp in good condition, delivering the aggressive, singing sustain made famous by the op-amp era. This compact stompbox features a true bypass on/off footswitch and simple Volume, Tone, and Sustain controls for everything from thick rhythm grind to searing leads. Runs on a 9V battery or standard 9V DC center-negative power for easy pedalboard integration.