MXR M148 Micro Chorus Pedal

Analog Chorus Effect Pedal
MXR M148 Micro Chorus Pedal image 1
MXR M148 Micro Chorus Pedal image 1
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MXR M148 Micro Chorus Pedal
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Versatile Analog Chorus!

You're going to love this chorus effect! At first glance, the Micro Chorus may seem deceptively simple. But when you get your hand on that single knob, you'll soon realize that you can dial in a wide range of stellar analog tones. This '80s reissue gives you everything from watery shimmers to intense warbles. The Micro Chorus also features an old-school bucket-brigade system, so you get fat analog tones and the sort of sound quality you've come to expect from MXR. By the way, it's also a true-bypass pedal, so you can count on pure guitar tone when the MXR Micro Chorus is switched off.

MXR Micro Chorus Features at a Glance:
  • Compact chorus effect pedal
  • All-analog circuitry with bucket-brigade technology
  • Offers a wide range of rich chorus textures
  • True-bypass circuitry keeps your tone intact
Explore the wide range of chorus sounds available in the MXR Micro Chorus effects pedal!

Additional Media

Micro Chorus User Manual
MXR M148 Micro Chorus Pedal Review by Sweetwater Sound

Tech Specs

Pedal Type Analog Chorus
Inputs 1 x Instrument
Outputs 1 x 1/4"
Batteries 1 x 9V
Height 2.5"
Width 4.5"
Depth 5.5"
Weight 0.84 lbs.
Power Supply Included No
Manufacturer Part Number M148

Customer Reviews

Based on 19 reviews
Write your review

Great Chorus

Gives me the sound I was looking for


I'm still trying to figure out why anyone needs a bunch of knobs for chorus. I'm sorry but there is no chorus tone you would need that this doesn't dial in. I've had about 3 or 4 choruses and finally settled on this one. It'll never be flipped. Totally happy with its simplicity and sound. Typical MXR awesomeness.

Chorus Heaven

Got this pedal to enhance my sound. Great chorus sound and the fact that it has only one knob makes it easier and faster to get the right amount of chorus I want. MXR pedals are built tuff and they have the right size for my needs. Looking at adding the Analog Chorus pedal for more softer chorus sounds. MXR pedals rock.
Music background: Guitar, synthesizer player


Simple, yet oh so effective. Let's face it, you do not need 5 knobs on a d*** chorus pedal. This pedal with its one knob can get you just about any chorus type sound that you could possibly want. It has a nice warm tone and can go from a gentle shimmer (think the opening of Metallica's Fade to Black) to full on warble. The 12 o'clock setting will get you the clean guitar part from Iron Maiden's Revelations. In any event, I love it and use it constantly. Oh, it's also built like a small tank.
Music background: 25+ years playing guitar

A Hard Act to follow!

To be honest, some effects you just want basic and easy to operate. MXR is hard act to follow, especially with the Micro Chorus. There is a specific type of feel I am looking for in a chorus. I like it where it is on the bleeding edge between a rotary speaker effect and a nice "classic" deep chorus effect. I like to call it the "ice scream" because of the sound it produces when you do bends with it and do pinch harmonics with it. I have tried so many chorus pedals to get this effect in a similar way, but turning up the knob all the way on this bad boy nailed in the simplest way possible. If you just want a chorus as simple as possible but still getting a good tone, go to the micro chorus. Dunlop is a company that gets how crazy we players like to get and how fast we want to get our visions realized. The MXR line is the best example of that!
Music background: Musician/Songwriter/Composer
See also: MXR, MXR Chorus Pedals