Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Used Electro-Harmonix Big Muff Op-Amp in great condition delivers the iconic 1970s op-amp fuzz made famous for its thick sustain, crushing distortion, and singing leads. A true-analog circuit with tone, sustain, and volume controls lets you dial everything from gritty rhythm bite to soaring solos. Features a standard 1/4" in/out and rugged metal enclosure, powered by a 9V battery or 9V DC adapter (center-negative).