Electro Harmonix Deluxe Big Muff Pi

Description Electro Harmonix Deluxe Big Muff Pi Electro Harmonix Deluxe Big Muff PI, e-guitar effect pedal, Distortion, controls for: Volume, Tone, Sustain, Attack and Gate semiparametric mids, Normal/Bass Boost switch, Q Hi/Low switch, True Bypass, expression pedal input, battery operation possible, battery is not included, 9V DC (center negativ) power supply is required.