The BB Preamp offers a wide varriety of sounds. It's capable of a 30dB+ clean boost with an adjustable +/-15dB two-band active EQ which adds a wide range of harmonic content to your ideal sound. The BB also utilizes a pre-gain stage which allows the Pedal to go from a very pristine clean to a very smooth, compressed overdriven sound. True bypass for eliminating any signal interference when switched off.SpecificationsDimensions: 4.39" x 2.38" x 1.98" (112mm X 60mm X 50mm)Weight: 0.6 lbs. (280g)Bypass: True Bypass SwitchingPower Consumption: 9VDC/6mABattery Type: 9VDC (006P) x 1AC Adapter (Optional): 9VDC-18VDC, Negative Tips (Regulated recommended)Input Impedance: 1M ohmOutput Impedance: 2k ohm Xotic Effects Xotic BB Preamp V1.5 Canada Tone Design