Darkglass Harmonic Booster Bass Preamp

Darkglass Harmonic Booster

This rock-solid preamp from Darkglass not only sounds great, but can also be perfectly adjusted to your liking thanks to the extra controls for the mids.

Controls: Boost, Character, Mid Gain, Mid Freq
Connections: Input, Output, 9v power
Power Consumption: 30mA. Only use a regulated 9V DC adapter with a center-negative plug.