Fuzz pedal. The Fab Fuzz features three knobs for controlling your fuzz and offers you true vintage fuzz tone that was so popular back in the 60s. You can adjust the sound by three knobs, Volume, Fuzz and Tone. These controls can take you from massive fuzz sounds to midrangy leads of hell. On/Off switch and status LED. Pedal is powered by 9V battery (included) or optional DA-1 power supply.