Xotic Bass RC Booster   Less distortion than a tube screamer.   The best characteristic of this booster is to have no character at all. Bass RC Booster has a 2 band EQ, 15dB boost / cut function and a very smooth clean boost. This pedal meets a wide range of tonal applications. With signal loss and EQ limitations common to vintage basses, the Bass RC Booster serves as the perfect remedy. It is designed to enhance your bass guitar tone without masking it. True bypass for eliminating any signal interference when it is switched out. Can be used with AC adaptor (optional) or 9V Battery

Specs Dimensions (W/D/H): 4.39" x 2.38" x 1.98" (112mm X 60mm X 50mm) Weight: 0.6 lbs. (280g) True Bypass Switching Power Consumption: 9VDC/6mA Battery Type: 9VDC (006P) x 1 AC Adapter (Optional): 9VDC, Negative Tips (Regulated recommended) Input Impedance: 500k ohm (min) Output Impedance: 10k ohm More Info