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JIM DUNLOP

MXR M87 Bass Compressor

    • Based on 165 reviews
Condition: New
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Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, Dec 25
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Features

  • CHT Constant Headroom Technology for clear, clean performance
  • True bypass
  • 10 gain-reduction status LEDs
  • Its CHT Constant Headroom Technology gives you plenty of headroom and clear performance
  • The totally transparent M87 Bass Compressor allows your full dynamic range to shine through until your signal reaches the compression threshold, which is indicated by the ten highly visible gain-reduction status LEDs

Description

MXR's M87 Bass Compressor puts studio-grade bass compression right on your pedalboard! You'll love how the M87 puts you in complete command of compression functions, thanks to attack, release, ratio, input, and output controls. The built-in Constant Headroom Technology (CHT) ensures plenty of headroom. You want your bass to retain its character, even during the most energized moments. The M87's transparency never lets the compression compromise your sound. Ten easy-to-see gain-status LEDs let you know when the compression threshold has been reached. Take studio-quality bass tones to the stage, with the M87 Bass Compressor! MXR M87 Bass Compressor Pedal Features: CHT Constant Headroom Technology for clear, clean performance True bypass 10 gain-reduction status LEDs Attack, release, ratio, input, and output controls Lightweight, tough aluminum housing Pedalboard-friendly footprint


Item Weight: 14.4 ounces


Product Dimensions: 2.6 x 5.5 x 4.4 inches


Domestic Shipping: Item can be shipped within U.S.


Country of Origin: USA


Item model number: 11087000001


Batteries: 1 9V batteries required.


Is Discontinued By Manufacturer: No


Date First Available: May 13, 2011


Color Name: White


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Dec 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Very nice
Style: Compressor
I use it as a mild dynamic range compressor, it generally is on for the E string and sometimes the A. The effect is subtle, evens out the note volumes and adds a little to the sustain the way I have it dialed in. You can use a compressor for other things, but that's what I wanted it for. Another reviewer said a compressor on bass is better felt than heard, that's exactly right, it makes you seem like a better player, and makes it easier on the sound guys because your peak volume is more consistent. I had to front-end it with the MXR-M81 preamp since I have a passive bass. This pedal is not intended to be used as a preamp from what I can tell, it adds some hiss and doesn't have enough gain to be effective for that purpose, my bass couldn't even light up the lights on highest gain. But if you hit it with line-level inputs it shines. It appears to draw power from the moment you plug in to the input jack, turning on bypass does not appear to stop current draw like the tuner and preamp pedal do, so keep that in mind when you are figuring battery life. I learned this the hard way. A nice feature is when the battery dies it silently goes into bypass mode. A few of the LED lights stick on for a while as a low battery indicator, but it's already in bypass mode when you see that. My settings are 12:00 for input, output, and attack, 3:00 for release, and 4:1 ratio. My low E string hit hard will almost light up all the LEDS, the A string not so much, and the D and E hardly at all, so mostly it stops the E from overpowering the rest of the strings. When played softly I don't hit the limit so my soft dynamic range is still accessible for expressiveness o soft parts, and cleans me up a bit on the loud ones. I love this pedal and won't play without it now. Wish I had bought it years ago. ... show more
Reviewed in the United States on January 17, 2016 by K. Hutchison
    • Great once you dial it in.
Style: Compressor
Great compressor once you know how to dial it in. Originally I was setting it up for tapping and somewhat required a relatively high setting on the Input and lowering of the Output. This resulted in a loss of the low end. At first I thought it was the pedal and was annoyed/irritated that even an expensive pedal such as this still had tone loss. Once I started to dial everything back for slap all my lows reappeared and was even able to find a setting the suited both. The easiest way to kill this pedal is by having your bass lows too high. It's better to have just enough and boost it after this pedal. Currently this is first in my signal chain followed by the B7K Ultra where I add just a touch of more bass. You'll know right away if you have too much low end or if the settings are too restrictive by looking at the Gain Reduction meter on the pedal. Depending on what you want, if you hit an open E and the meter shoots 25% that may work for you, but 50+% is probably worth evaluating what you have set up. Right now I have it to where slap will trigger it and an open E barely triggers, if at all. ... show more
Reviewed in the United States on January 20, 2018 by TyCobb
    • 3/5 Great tone and adjustment but degraded performance over time
Style: Compressor
3/5, great tone and adjust-ability but issues with degrading performance over time. I've owned this pedal for about 3 years and it still does a pretty good job however its performance has degraded over time. Initially, and for the first two years or so the pedal worked well. I love the tone and was able to get a good punchy sound and maintain attack. I like the many knobs that allow you to dial in precisely the amount and shape of compression that you want. After two years or so I noticed that when I plugged the pedal in, all the LEDs would light up, as if it was seeing a very hot signal at the input. This was strange but went away after about a minute and would go away more quickly if the release knob was turned all the way up. Additionally, I'm hearing more and more distortion as time goes on, especially if the input level is turned up. This prevents me from getting more compression and I'm forced to settle with medium/mild compression without significant distortion. I contacted support and they charge a flat $75 for out-of-warranty pedals which seems steep at 40% of the original price. ... show more
Reviewed in the United States on February 5, 2018 by Brice E Taylor
    • Worked great for about a year and half.
Style: Compressor
I picked this compressor up in July of 2018, and until yesterday it worked perfectly. Unfortunately, when the pedal is activated now it cuts all sound and no signal comes through, however, when turned back off the signal returns. I know it's not related to my cable set up because the bypass still works, and it isn't power-based because the pedal still lights up when turned on, and the meter peaks when plugged in which it has done since I first purchased it. After doing a bit of research I found I am not the only one who's had this issue pop up, and it seems like the consensus is an electronic failure. Only writing a review to warn future buyers of a known issue with the pedal. ... show more
Reviewed in the United States on January 11, 2020 by nick pulido
    • Squash those peaks
Style: Compressor
I bought this at the advising of a bass player friend of mine. It works well, but you have to be prepared for a bit of fettling with it. Getting unity can be challenging because the controls are not that intuitive if you aren't a sound guy. If you combine it with any sort of DI analog amp simulator it can be even more challenging. That being said, be patient with it and it will give you the compression you need and control you desire. ... show more
Reviewed in the United States on September 18, 2021 by Slowleadmccey
    • Happy with my m87
Style: Compressor
Bass compression is a subtle tool/effect that is easily misunderstood, misused, and underrated. After lots of time debating the hundreds of compressors out there, I decided on this one for 4 things: 1) Functionality - the kind of controls that you get here aren't usually found at this price. The LED metering is great and lets you know how much input to dial in, I only know of a couple other that do this, and they go for $250+. 2) Ease of use - the manual gets you up and running in minutes, but patience and more use will allow me to fully utilize this effect 3) Sound - fattens my tone like a compressor should, but will also work as a limiter when the situation calls for it. 4) Reliability in the manufacturer - I've heard about a number of these not turning on, not responding to inputs, hissing, etc. For my money, I wanted peace of mind in a trusted brand like MXR. P.S. While the manual won't tell you, this pedal will also accept higher voltages, and I run mine through my 18V voodoo. I'l put a picture up soon. ... show more
Reviewed in the United States on October 9, 2012 by JBug

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