MXR ZW-44 Zakk Wylde Berzerker Overdrive Pedal w/ 9V Power Supply and Patch Cable Save with this bundle. Package includes: MXR ZW-44 Zakk Wylde Berzerker Overdrive Pedal w/ 9V Power Supply and Patch Cable Includes 9V Power Supply and (1) 6" Patch Cable! Footswitch toggles effect on/hardwire bypass (red LED indicates on) Output knob sets total output level Drive knob controls amount of distortion