Electro Harmonix Op Amp Big Muff Pi Fuzz Pedal Type_Cello Carrying a spare 9V battery

Carrying a spare 9V battery is recommended for live performances and important recording sessions

Subtle settings can add natural depth to clean and crunch sounds

Surprisingly Big Sound

gradually increase the selected channel’s volume to a comfortable level

three-dimensional sound

Electro Harmonix Op Amp Big Muff Pi Fuzz Pedal Type_Cello Carrying a spare 9V batteryThe Electro Harmonix Op Amp Big Muff Pi recreates the distinctive late 1970s V4 Big Muff circuit in a compact, modern pedalboard format. Instead of the transistor based architecture used by many other Big Muff designs, this version uses operational amplifiers to produce a harder edged, more aggressive distortion character. Expect huge sustain, crushing rhythm tones and a pronounced crunch that works particularly well for alternative rock, grunge,