MXR M132 Supercomp Compressor Pedal Demo

Compressor Pedal with Attack, Sensitivity, and Output Controls
MXR M132 Supercomp Compressor Pedal image 1
MXR M132 Supercomp Compressor Pedal image 1
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Condition of unit: Small scuff marks on the footswitch from light use.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

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MXR M132 Supercomp Compressor Pedal
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Stay in Command of Your Guitar's Signal, with This Handy Pedal!

The MXR Supercomp compressor pedal lets you dial in your tone for more sustain and improved control and consistency. Want to harness your tone and make the most of your other pedals? The Supercomp helps you smooth out your signal, without killing dynamics; in fact, you'll love how this pedal actually improves the dynamic response you get from hot humbucking pickups! The Supercomp includes attack, sensitivity, and output knobs, for easy on-the-fly tweaking. Take control of your guitar's signal, with the Supercomp!

MXR Supercomp Compressor Pedal Features:
  • Footswitch toggles Effect On/Bypass
  • Output knob sets compressed (attenuated) output level
  • Attack Level knob sets the attack attenuation level
  • Sensitivity knob sets the compression ratio
  • Power: Single 9-volt battery or Dunlop ECB-003 AC adapter (sold separately)
  • Road-tough metal enclosure
The MXR Supercomp compressor pedal puts you in command of your guitar!

What Makes a Product a "Demo"?

At Sweetwater, "Demo" usually means one of the following:

  • It spent some time on display in our store.
  • It was used in a sales training presentation.
  • It was returned by another customer who tried it out for a few days.

Every demo item we sell is certified to be in perfect working order and backed by Sweetwater's 2-year Total Confidence Coverage warranty. Demos are thoroughly inspected by our Factory-Authorized technicians, and you will find their detailed condition notes on the product page. If you have any questions, please call us at (800) 222-4700.

Additional Media

Supercomp User Manual

Tech Specs

Pedal Type Compressor
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 M132

Customer Reviews

Based on 7 reviews
Write your review

MXR Super Comp

This pedal is one of those pedals that should get more praise and recognition that it does. The MXR Super Comp does two things really well, it gives you great sustain and flavors your sound by adding more gain if you chose to. Great pedal I run it in the front of my chain and it works amazing.
Music background: Guitar (20 plus years)

Old Reliable

I have owned the MXR Super Compressor for almost 10 years and haven't had any problems with it while using it on my bass. I can dial in great tone with it on any rig while my expensive rack mount compressor/limiter keeps malfunctioning. The MXR continues to be reliable in my effects lineup. Great for beginners as well as advanced players on-stage or in rehearsal. I am sure this would still be a great compressor even without the attack level knob.

Great, set and forget

Not expensive, not complicated, works great on bass
Music background: Musician

Simple and Easy to Use

Not much to say other than it works. I use it to keep my clean channel picking clean and articulate. MXR products are built to last for generations!
Music background: Gigging Musician

Very good compressor

I've owned this for several years and barely used it, using my Toadworks Mr. Squishy instead, and then not that often. But the Squishy has started acting up and I need to get some compression into my current rig so broke this one out of storage. I don't know why I never bonded with this pedal. It really is a nice compressor. It has tons of output, so can be used as a clean boost. But mostly, it offers up some fatness and nice squish and has a broad range. It is not too noisy, and the attack control is very useful. The bypassed tone is fine. I need to play with it more to mesh with distortion and overdrive, but for my clean tones, this rules.
Music background: Gigging hobbyist.

Sweetwater Advice

Chris McCown

I love the MXR Supercomp. It's nice and squishy if you need it to be, but I also use it as a gain boost on my lead channel. It hits my preamp harder and gives me the saturation that I need, when I need it. It also sounds great on clean channels
See also: EQ Pedals, MXR, MXR Compressors and EQ