MXR M 233 Micro Amp Plus

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MXR M 233 Micro Amp Plus

MXR

M 233 Micro Amp Plus

4.5 Expert Rating

Product Info

Article Number: 421337
Brand: MXR
Model: M 233 Micro Amp Plus
Price: $167.20

* Prices may vary. Check retailer for current pricing and availability.

The Micro Amp Plus is a fantastic little boost pedal, delivering that classic MXR warmth and a surprising amount of control for its size. It's perfect for guitarists wanting to push their amp into sweet overdrive territory or add a little extra sparkle to their clean tones – especially a great addition for players using single coils or needing to beef up a thinner amp.

Product Description

  • MXR M 233 Micro Amp Plus
  • Effects pedal
  • Boost
  • Classic MXR micro amp sound with modern features
  • Up to 26 dB boost
  • Analogue
  • True bypass
  • 2-band EQ
  • Gain
  • bass and treble controls
  • Status LED
  • Metal housing
  • Bypass footswitch
  • 6.3 mm mono jack input / output
  • Power supply with 9 V battery or 9 V DC power supply (2.1 mm x 5.5 mm Barrel connector
  • polarity (-) inside
  • not included)
  • Power consumption: 6.5 mA
  • Dimensions (L x W x H): 111 x 64 x 49 mm
  • Weight: 220 g
PROS
  • • Solid metal enclosure provides excellent durability for pedalboard use
  • • 2-band EQ offers surprisingly effective tone shaping capabilities
  • • True bypass ensures signal integrity when the boost is disengaged
  • • Classic MXR micro amp sound adds warmth and sustain to your signal
CONS
  • • Limited EQ controls may not satisfy users needing more precise shaping
  • • Gain range, while useful, can get a bit noisy at higher settings
  • • Relatively compact size can be a challenge for tight pedalboard layouts

Product Video

Key Features

Effect Type Boost/Overdrive
Controls Gain, Bass, Treble, Footswitch
Bypass Type True Bypass
Power Supply 9V Battery or 9V DC (2.1mm x 5.5mm, center negative)
Connections 6.3mm Mono Input/Output Jacks
Dimensions 111 x 64 x 49 mm

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Frequently Asked Questions

The Plus version adds a 2-band EQ, giving you more tonal control than the original’s fixed response. The original is a simpler, more transparent boost; the Plus is more versatile.
It’s generally manageable, but at higher gain settings, some noise is noticeable, especially with high-output pickups. A noise gate might be beneficial for very quiet recordings.
Absolutely. Lowering the gain and adjusting the EQ can provide a transparent boost for increased volume without significantly altering your tone.

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