Mad Professor MIGHTY RED Distortion Guitar Effects PedalMRD is a high gain distortion pedal, which was modeled after the 80s style compressed gain sounds. It is extremely easy (and a lot of fun) to play because its texture is adjusted to give clarity and definition also at heavy distortion. The gain range allows also low distortion sounds as well as stacking with other pedals, where an overdrive (preferably MP LGW) can pre drive MRD for extreme and highly focused sounds. To get these gain levels with their