MXR Micro Amp

MXR Micro Amp

MXR Micro Amp

This MXR Micro Amp is in great working condition. This amp has a paint chip on a corner of the amplifier, but operates well. This amplifier includes a user manual (available at and comes in its original packaging.

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The MXR M-133 Micro Amplifier Pedal adds a preset amount of gain, using a single control.

With a guitar, this lets you boost your signal for lead work, adjust between 2 different guitars with unmatched output (i.e., humbucker to single coils), or it can supply a permanent boost in a long effects chain where signal drop-off is a problem.

Power: Single 9-volt battery or Dunlop ECB-003 AC Adapter (Sold Separately)

Controls: Footswitch toggles amp on/bypass (red LED indicates on) Gain knob adjusts total output volume when the Micro Amp is engaged.

  • Up to +26dB of gain
  • Perfect for switching between guitars with unmatched output
  • Great for use with long signal chains, or anytime signal drop-off is a problem
Brand MXR
Gross Shipping Weight - Volumetric (kgs) 1.0000
Analog / Digital Analog
Effect Type Boost
Stereo No
True Bypass No
XLR Input No
XLR Out No