From the softest to the hardest effect, the Heavy Distortion gives a very wide of range of distortion effects. This allows for outstanding sustain whilst distinct picking at the heaviest distortion level. SPECIFICATION Power Requirements :Battery DC9V(6F22/006P)AC Adapter DC9VConsumption current :DC9V 2.8mAInput impedance :800MOutput impedance :10K or moreControls :Level, Tone, DistortionDimensions :73W x 50H x 127DmmWeight :300grm (including battery)