THE PERFECT TONE FOR BLUES 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. Nominal Input Level: -20 dBu Input Impedance: 1 M ohm Nominal Output Level: -20 dBu Output Impedance: 1 k ohm Recommended Load Impedance: 10 k ohms or greater Controls: Pedal switchGAIN knobTONE knobLEVEL knob Indicator: CHECK indicator (Used for indication of check battery) Connectors: INPUT jack: 1/4-inch phone typeOUTPUT jack: 1/4-inch phone typeDC IN jack Power Supply: Carbon-zinc battery (9 V, 6F22) or Alkaline battery (9 V, 6LR61), AC adaptor (PSA series: sold separately) Current Draw: 20 mA