The GE-7 Equalizer pedal offers seven bands of EQ ranging from 100Hz to 6.4kHz, ideal for guitar sounds, with boost/cut of +/- 15dB per band. This lets you completely control your sound and eliminate unwanted feedback, particularly when connected after a distortion effect. Compact EQ pedal with 7 bands of adjustable EQ sliders Allows for boost/cut of up to +/- 15dB per band Perfect as a "boost" pedal for solos, creating an alternate sound, or for eliminating feedback BOSS five-year warranty Specifications 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 knobEqualizer Control knob100, 200, 400, 800, 1.6 k, 3.2 k, 6.4 kHzPedal switch Indicator CHECK indicator (Serves also as battery check indicator) Connectors INPUT jack: 1/4-inch phone typeOUTPUT jack: 1/4-inch phone typeDC IN jack Power Supply Carbon-zinc battery (9 V, 6F22)Alkaline battery (9 V, 6LR61)AC adaptor (PSA series: sold separately) Current Draw 30 mA Expected battery life under continuous use Carbon: Approx. 9 hoursAlkaline: Approx. 19.5 hours*These figures will vary depending on the actual conditions of use. Accessories Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")Carbon-zinc battery (9 V, 6F22) Options (sold separately) AC adaptor: PSA series Size and Weight Width 73 mm2-7/8 inches Depth 129 mm5-1/8 inches Height 59 mm2-3/8 inches Weight (including battery) 400 g15 oz * 0 dBu = 0.775 Vrms *The specifications are subject to change without notice.