Boss MD-2 Mega DistortionThe MD 2 Mega Distortion from BOSS is a pedal that delivers the bottom heavy distortion sounds heard in today's new school metal and hard rock. The dual stage distortion circuit with an added gain boost, plus the Bottom and Tone controls can be used to dial in heavy distortion with sustain and massive low end. Produces heavy low end distortion for modern metal and hard rock Gain Boost circuit creates huge distortion and sustain regardless of level