Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Unleash classic Pumpkins-era fuzz with this used Electro-Harmonix Big Muff Op-Amp in great condition. This op-amp–driven distortion delivers thick sustain, aggressive midrange, and smooth, saturated leads while staying articulate for riffing. Simple three-knob control layout (Volume, Tone, Sustain) makes dialing in everything from woolly grind to cutting solos fast and intuitive. Standard 1/4" input/output with true bypass switching in a compact, stage-ready enclosure.