Boss BD-2 Blues Driver

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 switch
    GAIN knob
    TONE knob
    LEVEL knob
Indicator
    CHECK indicator (Used for indication of check battery)
Connectors
    INPUT jack: 1/4-inch phone type
    OUTPUT jack: 1/4-inch phone type
    DC 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
Expected battery life under continuous use
    Carbon: Approx. 24.5 hours
    Alkaline: Approx. 44 hours
    *These figures will vary depending on the actual conditions of use.
Accessories
    Owner’s manual
    Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”)
    Carbon-zinc battery (9 V, 6F22)
Option (sold separately)
    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
    360 g
    13 oz