MXR M134 Stereo Chorus Pedal


91 out of 100. Incorporating 250+ ratings and reviews.

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MXR M134 Stereo Chorus Pedal

Meta Analysis Overview

Our rating of 91/100 is based on analysis of 250+ sources comprised of online reviews and discussions. Under the Pros and Cons headings below you'll find a condensed analysis of what those owners and users have been saying. Feel free to ask questions or add your thoughts in the comments section.

The MXRM134 is a very versatile pedal, capable of covering a huge variety of different chorus tones. The unit has an overall total of six controls; five variable knobs and an on/off bass filter switch.

A key selling point of this pedal is that it can actually cover the tonal range of an analog chorus as well as approximate the brightness you find in digital units, making it a great fit for those of you who are looking to cover a lot of ground.

Like other effects made by MXR, the MXRM134 has a durable metal chassis.


  • Control: Bass, Treble, Intensity, Width, Rate
  • Circuit: Analog
  • Bypass: Hardwire Bypass
  • Power: 18-Volt Adapter or 2 x 9V Batteries (Not Included)
  • Dimensions: 5.5" x 2.5" x 4.5"
  • Weight: 1.5 lbs.

The MXR M134 is a hit with those who are looking for good analog chorus tone. It is reported to be more than capable of producing that “wet” and pronounced chorus that defines shoegaze genres, and it also works well for adding subtle chorus, as used in modern genres.

Some users caution that two of the controls of the pedal are not intuitively labeled. The controls in question are: the bass filter and the intensity control. The bass filter (which isn’t labeled) reduces chorusing on the low-end signal, resulting in a much brighter tone. While the intensity knob controls the mix of the dry and chorused signal (should've been labeled as blend).

This feature packed chorus pedal will make a good addition for anyone who wants a versatile chorus effect unit.

Although this was previously on our recommended list, there are now more highly rated options available which you can see in our guide to The Best Chorus Pedals.

About the Author

Alexander BrionesAlexander Briones

He's written about and researched music gear for many years, while also serving as a music director at his local church, in addition to teaching guitar, bass and mentoring young musicians.