Distortion Pedal For Metal Called Ex-Inferno. ? The EX-Inferno death metal distortion pedal is designed for total metal mayhem. ? A three-stage guitar metal pedal boost toggle switch allows for total control of brutal chugging, screaming howls and massive attack for lead and rhythm playing. ? Fine tune the metal guitar pedal overall balance with the level, tone and distortion control knobs. Dial up shrill metal leads, deep punchy distortion or total metal chunk. ? True-Bypass with powerful analog circuitry, housed in a compact, die-cast box. 1/4 inch input and output jacks and an AC adapter input on the top of the unit. ? Uses a standard 9-volt negative tip power supply, or add a daisy chain to run multiple pedals from the one power supply source. (Adapter not included).