Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Experience classic grunge and rock tones with this used Electro-Harmonix Big Muff Op-Amp distortion pedal, in good condition. Known for its aggressive sustain and cutting midrange, it features true bypass switching, durable metal housing, and standard 9V power compatibility. This version of the Big Muff, famously used by Smashing Pumpkins, delivers thick, saturated fuzz with user-friendly Volume, Tone, and Sustain controls—perfect for players seeking vintage-inspired tone with modern reliability.