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MXR CAE MC401 Boost/Line Driver

Effective in solving a variety of mismatched line level and signal conditioning problems that can occur when combining effects


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  • MXR-CAEMC401
  • MXR-CAEMC401
Brand New


Availability: In stock now

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Product Description for the MXR CAE MC401 Boost/Line Driver

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 MC401's circuit design has been used for years by CAE in the world's best guitarist's 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.



  • Boost function with knobadjustment from 0 to +20dB of clean uncolored boost
  • True bypass


  • The MXR/CAE Boost/Line Driver is powered by one 9 volt battery (remove bottom plate to install), a 9 volt AC Adapter such as the Dunlop ECB003/ECB003EU or a powersupply such as the DC Brick


  • Run a cable from your guitar to the Boost/Line Driver’s Input jack and run another cable from the Boost/Linedriver’s Output jack to your amplifier.
  • Start with the Boost knob at0dB. Rotate the knob clockwiseto increase boost level, up to +20dB.
  • ·


  • BOOST knob controls overall boost (inactive in bypass mode)
  • AC adapter input
  • Footswitch toggles effect on/bypass (ice blue LED indicates on)


  • Input Impedance : 1 kΩ
  • Output Impedance : 150 Ω
  • 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
Brand MXR
Weight 1.2000
Dimensions (WxHxD) No

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