Electro Harmonix Op-Amp Big Muff Pi

Electro Harmonix Op-Amp Big Muff Pi Fuzz, Effects Pedal, Faithfully modeled after the legendary circuit Op-Amp Big Muff Pi from the late 70's with some practical improvements, including a compact die-cast housing and True Bypass, Controls: Volume - Tone - Sustain, Switch: Tone On / Off, LED: Effect On, Footswitch: Effect Bypass, Input: 6.3 mm jack, Output: 6.3 mm jack, Power supply connection (coaxial connection 5.5 x 2.1 mm - negative pole inside), Power consumption: 5 mA, Power supply with 9 V battery or 9 V DC power supply (not included, suitable power supply available under Art.#409939#), True bypass, Dimensions (W x D x H): 70 x 114 x 53 mm