Used Electro-Harmonix Big Muff Op-amp Effect Pedal

Used Electro-Harmonix Big Muff Pi Op-Amp Distortion Pedal in good condition, delivering the iconic late-70s fuzz tones with rich sustain and heavy distortion. Featuring simple controls for Volume, Tone, and Sustain, this pedal offers vintage-inspired crunch in a durable, compact chassis. True bypass ensures clean signal integrity when disengaged. Perfect for players seeking that classic Smashing Pumpkins-style sound, this USA-made reissue captures the raw power of the original Op-Amp Big Muff.