MXR Micro Amp Gain Boost Pedal M-133

£99.99

This is the MXR Micro Amp Gain Boost Pedal M-133 from MXR, listed in Boost Pedals on Just Pedals. Read More below.

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A booster pedal to give you a little more oomph needed to overdrive your amp or boost your tone for a solo. The MXR Microamp can also compensate for differences in output between guitars without having to fiddle with amps settings, or simply act as an always-on booster that supplements your amp's tone.

Here's what MXR say about the Microamp M-133

  • Adds a preset amount of gain with a single control
  • Boost your signal for lead work
  • Perfect for switching between guitars with unmatched output

Adding a preset amount of gain with just a single control, the Micro Amp is a great way to boost your signal for lead work or adjust between two different guitars with unmatched output (i.e. humbuckers to single-coils). It can also provide a permanent boost in a long effects chain where signal drop off is a problem.

Power: Dunlop ECB003 AC Adapter or Single 9 volt battery

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Brand

MXR

MXR is a renowned manufacturer of guitar effects pedals and audio electronics, recognized for their classic designs and high-quality sound. Established in the 1970s, MXR has played a significant role in shaping the landscape of effects pedals, producing iconic units that have become staples in countless musicians’ rigs. The company’s pedals are celebrated for their rugged construction, intuitive controls, and versatile tones, making them popular among guitarists and bassists across genres.

MXR’s product lineup encompasses a wide range of effects categories, including distortion, delay, modulation, and more. Some of their most notable pedals include the Phase 90 phaser, the Dyna Comp compressor, and the Carbon Copy analog delay, all of which have earned legendary status among players for their distinctive sound and reliability. With a legacy of innovation and a commitment to quality, MXR continues to be a respected name in the world of guitar effects, inspiring musicians to explore new sonic possibilities and express themselves creatively.

Category

Boost Pedals

A boost raises signal level without deliberately creating a new effect waveform. Clean boosts emphasise level and headroom, while coloured boosts reshape bass, midrange or treble and may add mild clipping at higher settings. Placed before a gain stage, the extra level changes how that stage distorts; placed later, it can provide a volume lift if sufficient headroom remains.

Tags

Presets

Stores complete groups of parameter values for later recall. The number of locations, switching time, spillover behaviour and whether presets include routing, expression and MIDI assignments determine how completely one sound can change into another.