![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 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](https://i.redd.it/krl7r3p5qmi51.jpg)
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 M66S Classic Overdrive 2010s - White. Transparent drive Pre owned | Murphy's Music | Instruments | Lessons | Melville MXR M66S Classic Overdrive 2010s - White. Transparent drive Pre owned | Murphy's Music | Instruments | Lessons | Melville](https://murphysmusicshop.com/wp-content/uploads/2023/04/gfslx3mip4sngcd95jkp.jpg)
MXR M66S Classic Overdrive 2010s - White. Transparent drive Pre owned | Murphy's Music | Instruments | Lessons | Melville
![Save big on 3 tonesome MXR overdrive and distortion pedals, now starting at just $39 each | Guitar World Save big on 3 tonesome MXR overdrive and distortion pedals, now starting at just $39 each | Guitar World](https://cdn.mos.cms.futurecdn.net/wjqYdHTvbg34bSPbcbCKhj-1200-80.jpg)