Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Experience the legendary tone of grunge and alternative rock with this used Electro-Harmonix Big Muff Pi Op-Amp distortion pedal, in great condition and fully functional. Featuring the iconic op-amp circuit that delivers a raw, aggressive fuzz with excellent sustain, this pedal was made famous by Smashing Pumpkins and countless other artists. With intuitive controls for Volume, Sustain, and Tone, it’s easy to dial in anything from crunchy overdrive to wall-of-sound fuzz. The pedal includes a tone bypass switch for added tonal flexibility. Powered via a 9V battery or standard 9V DC power supply (not included), this compact unit is housed in a durable die-cast chassis built for the road. Whether you're chasing vintage fuzz tones or modern saturation, this classic stompbox is a must-have addition to any guitarist’s pedalboard.