Used Electro-Harmonix Big Muff Op-amp Effect Pedal

The used Electro-Harmonix Big Muff Op-Amp distortion pedal delivers the iconic, aggressive fuzz tones popularized in the late '70s, with a distinctive mid-scooped crunch and sustain. Featuring Volume, Tone, and Sustain controls, plus a Tone bypass switch, it runs on a 9V battery or standard 9V power supply. In great condition, this pedal is perfect for guitarists seeking that signature, vintage-inspired, gritty distortion with modern reliability and rugged Electro-Harmonix build quality.