Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Used Electro-Harmonix Big Muff Pi Op-Amp Distortion Pedal in good condition, delivering classic late-70s tone with a gritty, aggressive fuzz ideal for rock and alternative styles. Features true bypass switching, standard 9V DC power input, and three control knobs: Volume, Tone, and Sustain. Known for its rich sustain and cutting mids, it's perfect for guitarists seeking vintage character with modern reliability. Fully tested and ready to power your next performance or recording session.