Boss GEB-7 Bass EQ

PRECISE TONAL CONTROL The GEB-7 is a seven-band equalizer created specifically for the frequency range of the electric bass. Since the frequency range extends down to 50Hz, the GEB-7 is also great for adjusting depth and bottom end of an upright bass with pickups. Features 50Hz to 10kHz frequency range specifically designed for bass Full range response, even for five- and six-string basses Can be used as a "boost" or "cut" pedal using the level control knob Great for eletric-acoustic bass applications AC adaptor or 9V battery operation BOSS five-year warranty Specs 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 ohm or greater Bypass: Buffered bypass Controls: Level Control knob, Equalizer Control knob, 50, 120, 400, 500, 800, 4.5 k, 10 kHz, Pedal switch Indicator: CHECK indicator (Serves also as battery check indicator) 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), Alkaline battery (9 V, 6LR61), AC adaptor (PSA series: sold separately) Current Draw: 16 mA Expected battery life under continuous use: Carbon: Approx. 16.0 hours, Alkaline: Approx. 28.5 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 Width: 73 mm, 2-7/8 inches Depth: 129 mm, 5-1/8 inches Height: 59 mm, 2-3/8 inches Weight (including battery): 440 g, 1 lb