Digital effect guitar pedal that was designed to deliver the aggressive high gain tones that modern guitarists need. It features Blackstar’s patented ISF (Infinite Shape Feature) circuit, providing the infinite adjustment over the characteristics of the tone control and everything from scooped US high gain to classic British heavy metal and anywhere in between. The patent-applied-for clipping circuit delivers amazing valve-like tone and compression for a wide variety of playing styles. Pedal features dedicated Gain, Level and Tone controls, plus patented ISF control, and a rugged construction. It is powered by 9V battery. Dimensions: 60 x 54.5 x 122 mm. Weight: 450 g.