This transparent booster has a two band active EQ, providing +/- 15dB for Bass and Treble. Active electronics offers a wide range of possibilities because you can cut or boost either frequency! The RC Booster can push an amp into overdrive with the massive amount of output or add some dirt with the Gain control. Whichever application you use, your original tone will maintains it’s integrity and transparency due to the high quality components and true bypass switching. Let the RC Booster work wonders on your tone!