The MC401 Boost/Line Driver from MXRis a potent volume pusher, taking your guitar's signal up by a significant notch! With up to 20dB of boost on tap, this powerful pedal raises the overall output of your rig, serving as the perfectdriver for solos. However, it's not just a one-trick-pony. While it may only boast one control, the MC401 alsoadds some crisp top-end to your tone as well as more mid-range punch.This offersa sound with far more definitionand brilliance, which can help tocompensate for the signal loss caused by large andcomplex rigs. Place this pedal in your effects loopand you'll achieve a pure, unbridled kick of extra volume. However, this unit can also shine when used in conjunction with overdrive or distortion pedals, and when placed before them you can achieve a more saturated and harmonically-rich tone. Whichever wayyou decide to route the MC401, you'll always find ituseful! Specifications Input Impedance: 1 k Output Impedance: 150 Nominal Input: -22 dBV Output Level: -22 dBV Boost Gain Range: 20 dB Noise Floor: >95 dB Bypass: True Hardwire Current Draw: 1.5 mA Power Supply: 9 volts DC Dimensions: 5.8" x 4.8" x 3"