MD-2: Mega Distortion Nominal Input Level -20 dBu Input Impedance 1 M ohms Nominal Output Level -20 dBu Output Impedance 1 k ohms Equivalent Input Noise Level -110 dBu (IHF-A, Typ.) Controls Pedal Switch, GAIN BOOST Knob, DIST (distortion) Knob, TONE Knob, BOTTOM Knob, LEVEL Knob Indicator CHECK Indicator (Serves also as battery check indicator) Connectors INPUT Jack, OUTPUT Jack, AC Adaptor Jack (DC 9 V) Power Supply DC 9 V: Dry battery, AC Adaptor (PSA-series: optional) Current Draw 18 mA (DC 9 V) Accessory Dry battery (9 V type) S-006P/9 V (6F22/9 V) Option AC Adaptor: PSA-series Size and Weight Width 73 mm 2-7/8 inches Depth 125 mm 4-15/16 inches Height 55 mm 2-3/16 inches Weight 0.4 kg 0 lbs. 15 oz .* 0 dBu = 0.775 Vrms. *The specifications are subject to change without notice.