The BD-2 Blues Driver delivers the creamy, yet crunchy sound associated with great blues guitar. This popular pedal provides instant access to the kind of warm overdrive and emotive distortion usually reserved for 30-year-old tube amps. Features Classic "blues" guitar tones with tube amp simulation Warm distortion and overdrive Responds to nuance and volume changes AC adaptor or 9V battery operation BOSS 5-year warranty Specifications Nominal Input Level -20 dBu Input Impedance 1 M ohms Nominal Output Level -20 dBu Output Impedance 1 k ohms Equivalent Input Noise Level -118 dBu (IHF-A, Typ.) Connectors INPUT Jack, OUTPUT Jack, AC Adaptor Jack (DC 9 V) Power Supply DC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor Current Draw 9 mA (DC 9 V) Accessories Dry Battery 9 V type (6F22/9 V) Option AC Adaptor (PSA-Series) Size and Weight ( incl. battery ) Width 73 mm 2-7/8 inches Depth 129 mm 5-1/8 inches Height 59 mm 2-3/8 inches Weight 0.4 kg 0 lbs. 15 oz. * 0 dBu = 0.775 Vrms *The specifications are subject to change without notice. Model# BD-2