Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Get that legendary ’70s-era fuzz voice with this used Electro-Harmonix Big Muff Op-Amp pedal in good condition. Built around an op-amp gain stage for aggressive sustain and cutting mids, it delivers everything from creamy leads to saturated wall-of-sound rhythm tones. Simple, stage-ready controls—Volume, Tone, and Sustain—make dialing in your sound fast and intuitive. Standard 1/4" in/out and 9V DC power support keep it easy to integrate into any pedalboard.