Check the listing for details. MXR MC401 CAE Boost/Line Driver Effects Pedal. Condition: New. Listed at 119.99 USD. MXR MC401 CAE Boost/Line Driver Effects Pedal Description The Boost/Line Driver is simple in design but superbly effective in solving a variety of mismatched line level and signal conditioning problems that can occur when combining effects. The MC401s circuit design has been used for years by CAE in the worlds best guitarists rigs to remedy these problems and rejuvenate the sparkle, punch and brilliance that can be lost. It can also be used as an ultra-clean boost (up to +20dB) for solos or to drive effects for more dynamics and sensitivity. Features Delivers up to +20dB of clean boost to your signal to kick up the articulation and clarityIdeal for pedal setups with wildly mismatched level and signal combinationsPerfect for hitting your tube amp’s front end for increased saturation and overdriveTrue bypass construction keeps your tone crystal clear Technical Specifications Features: Battery-PoweredInputs: 1 x 1/4"Outputs: 1 x 1/4"Power Source: 9V DC power supply (sold separately)Effects: BoostProcessing Type: AnalogBatteries: 1 x 9VPower Usage: 1.5mA