Pre-owned in very good condition with the top of the Ch.A Comp button missing, comes with original box.

A pre-amplifier, so transparent and versatile it bridges the gap between fingertips, guitar and amplifier with a full spectrum of sounds. Channel A epitomizes the core of the original BB Preamp. It has an amp-like feel. Characteristics that are very open with rich complex harmonics. Channel B is the most versatile booster we have ever designed. At any setting, it delivers the most inspiring musical tone that only dreams are made of. Activate both channel stacks with a single button for unlimited configurations of superb tone. True bypass for eliminating any signal interference when switched off. Can be used with AC adaptor (optional) or 9V Battery.

Dimensions (W/D/H): 4.62" x 3.65" x 2" (117mm X 93mm X 50mm)

Weight: 0.9 lbs. (0.4kg)

True Bypass Switching INPUT Jack,OUTPUT Jack, J AC Adapter Jack (DC 9V)

Input Impedance: 1M ohm (min)

Output Impedance: 1k ohm