The Ibanez Fuzz FZ7 is an over-the-top fuzz pedal that gives a wide range of distortion sounds. This pedal even has a switch that lets you simulate a damaged speaker... from 0%, 10% or 100%. Other controls include Drive knob, Tone knob and Level knob. Powered by either a standard 9-volt battery or by a 9-volt DC power adapter with a standard 'barrel' type tip with negative center.