Check the listing for details. Joyo R-03 Uzi Distortion Effects Pedal. Condition: New. Listed at 48.99 USD. Joyo R-03 Uzi Distortion Effects Pedal Description Specially designed for heavy metal, it’s characterized by High Gain. With a BIAS knob, you can switch easily between American Distortion and British Distortion. Meanwhile, UZI has a GAIN Control Knob and a VOLUME Control Knob, both are of dynamic balance, adjust the GAIN knob while don’t adjust the VOL knob, the signal from the circuit will adjust automatically, ensuring the Volume is the same as before. Features LED toggleBias knob allows you to get both British and American distortion tonesDesigned for heavy metal Technical Specifications Dimensions: 1.89" H x 2.64" W x 4.29" DWeight: .55 lbsEQ: 3-Band EQInputs: 1 x 1/4"Outputs: 1 x 1/4"Power Source: 9V DC power supply (not included)Effects: DistortionProcessing Type: AnalogPower Usage: 20mA