Boss MD-2 Mega Distortion Pedal Authorized Dealer!! Designed to meet the demands of modern metal music, the Boss MD-2 is a distortion guitar pedal that gives you the ability to crank out crushing distortion from your guitar. Built with a special dual-stage distortion circuit, this bottom-heavy Boss guitar effect pedal retains harmonic versatility while letting you pull off powerful riffs. Incorporating an innovative gain boost circuit, this Boss guitar effect pedal has the capability of creating massive distortion and sustain, irrespective of the level. With its 4-knob user interface, the Boss MD-2 makes tone-crafting a breeze. Encased in an all-metal chassis, this distortion guitar pedal can endure the tough treatment it will experience at your feet.