Boss MD-2 Mega Distortion Guitar Effects PedalThe secret of the Boss MD 2 Mega Distortion Pedal is a dual stage distortion circuit with an added Gain Boost, plus Bottom and Tone controls for crushing distortion with massive low end. If new school metal is your thing, the Boss Mega Distortion is your pedal. Features Produces extreme, low end distortion for modern metal and hard rock Gain Boost circuit creates huge distortion and sustain regardless of level New Bottom control for bottom heavy