Acces the bluesy tone of one of the greatest players ever to walk the earth. Fattens up signal without loss of clarity or voice. Adds push and fatness to any guitar. Plenty of boost for crunch rhythm or solos. If you take only one pedal into the studio to record your dream tune, make sure its this one! Diecast case with hand sprayed, high gloss car finish. Black neoprene carry bag. True hardwire bypass. Cannot be powered by a battery. Powered by 9 volt, 2.1mm centre negative AC adaptor