Type... Electric Guitar Manufacturer... BOSS Product Features: The SD-1 SUPER Over Drive, a versatile overdrive pedal from BOSS, inherits the basic circuit of the first BOSS compact effector, the OD-1, and features an active TONE circuit. The mild, traditional BOSS overdrive sound produced by the asymmetrical clipping circuit has captivated players around the world since its release in 1981. * BOSS's traditional overdrive sound produced by an asymmetrical clipping circuit. * Presence-rich mid-range and a mild sound character. * Achieves a tone with a strong presence and excellent clarity as a booster for high-gain amplifiers. \*Adapter not included. All items shown in the images are included.