Versus: MXR Classic Overdrive x Maxon OD 808 Overdrive - YouTube
MXR M193 GT-OD Overdrive Pedal | Sweetwater
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 Classic Overdrive With Zakk Wilde Mod White And Green | Reverb
MXR Classic Overdrive Pedal W/ Zakk Wylde OD Mod | Reverb
MXR Classic Overdrive Pedal | Reverb
MXR Classic Overdrive Pedal | Reverb
Today I modified my MXR Classic Overdrive : r/diypedals