One Control Pale Blue Compressor - EQ, EQ / compressor effects pedal, all-new compression circuit with added blend knob, new EQ circuit specially designed for electric guitars and basses helps to sculpt your tone, 3-band EQ with two shelving bands for bass and treble and a bandpass for midrange (100 Hz, 700 Hz, 7 kHz), designed by Bjorn Juhl, true bypass, controls for Volume, Comp, Blend, Bass, Mid, Treble, bypass footswitch, status LED, aluminum housing, 6.3 mm mono in / output jacks, power supply via 9V battery or optional 9V DC power supply, (not included), 2.1 mm x 5.5 mm barrel plug, polarity (-) center (battery not included), current draw 6.4 mA, dimensions (L x W x H) 113 x 66 x 46 mm / 4.44" x 2.59" x 1.81", weight ca. 302 g / 0.66 lbs