Used Electro-Harmonix Op Amp Big Muff Pi Reissue Effect Pedal

Add classic late-’70s fuzz and soaring sustain with this used Electro-Harmonix Op Amp Big Muff Pi Reissue in fair condition. Featuring the sought-after op-amp distortion circuit, it delivers aggressive gain, thick lows, and smooth lead tones with simple Volume, Tone, and Sustain controls. Rugged compact enclosure with true bypass switching for a clean signal when off, and standard 9V DC power (center-negative) or battery operation. A great way to capture iconic Big Muff grind on a budget.