2004 Jim Dunlop MXR ZW-44 Zakk Wylde Overdrive Pedal Serial# | Lot #81195 | Heritage Auctions
The MXR classic overdrive pedal has a hidden switch inside that changes to the Zakk Wylde overdrive. I've seen people mod their own switch for it, but I just drilled a hole
Zakk Wylde Overdrive Pedal Review | Music Corners
Used MXR ZW44 Zakk Wylde Overdrive Effect Pedal | Guitar Center
The MXR classic overdrive pedal has a hidden switch inside that changes to the Zakk Wylde overdrive. I've seen people mod their own switch for it, but I just drilled a hole
MXR ZW-44 Zakk Wylde Overdrive Pedal - YouTube
MXR Grind and Clear ZW-44 Wylde Overdrive - Walmart.com