Designed to be the perfect complement to our distortion circuits, the Harmonic Booster's flexibility and portability also make it the ideal solution for live musicians seeking a precise, harmonically rich preamp.

BOOST Flat cut or boost from -20 dB to +20 dB

CHARACTER Allows you to blend the perfect amount of tone-shaping circuitry. It can be rotated counterclockwise for a flatter frequency response. Mid Gain +-20 dB @ the frequency selected by "Mid Frequency" Mid Frequency Mid Frequency from 250 Hz to 2.5 kHz Bass +-20 dB at 80 Hz Triple +-20 dB at 5 kHz DIMENSIONS 75x111x43 mm (2.95x4.37x1.77 inches) CAUTION The Harmonic Booster has a current draw of 30 mA. Use only a regulated 9 V DC adapter with a center negative terminal. For environmental reasons, it does not accept batteries. Unregulated power supplies and/or higher voltages may result in suboptimal sound performance and even damage your device, voiding the warranty.