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MXR M-102 Dyna Comp Compressor Pedal 

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The MXR M-102 Dyna Comp Pedal creates infinitely clean sustain. It uses a signal-limiting processor that varies its gain so that the output signal st...Click To Read More About This Product

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Super squish adored by tone freaks.

The MXR M-102 Dyna Comp Pedal creates infinitely clean sustain. It uses a signal-limiting processor that varies its gain so that the output signal stays constant. The MXR M-102 Dyna Comp Pedal features Output and Sensitivity knobs and LED on/off indicator.


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Review Snapshot

by PowerReviews
MXRM-102 Dyna Comp Compressor Pedal
 
4.5

(based on 118 reviews)

Ratings Distribution

  • 5 Stars

     

    (84)

  • 4 Stars

     

    (23)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (4)

  • 1 Stars

     

    (4)

88%

of respondents would recommend this to a friend.

Pros

  • Compact (27)
  • Excellent sound quality (23)
  • Responsive (19)
  • Versatile (10)

Cons

  • Limited selection of effects (4)

Best Uses

  • Amateur recording (17)
  • Home studio (17)
  • Performances (17)
  • Outdoor events / games (12)
  • Professional recording (9)
    • Reviewer Profile:
    • Experienced (17), Professional musician (10)

Most Liked Positive Review

 

Ray Highsmith guitarist and vocalist (Blusemill on the new moon blues label

Well built reliable easy to use and very flexable as far as what it can do despite the fact that is has only two controls.... more knobs to twiddle with don't make things...Read complete review

Well built reliable easy to use and very flexable as far as what it can do despite the fact that is has only two controls.... more knobs to twiddle with don't make things better.
This baby is totaly foot control-able if that is even a word.
I could go on and on about this pedal It's been around awhile I have a really old one and the only differance is the old ones didn't have a lite on them.
This is the best comp box there is and I think the fact that it has only two knobs is part of it .
this is a great box for getting that Nashville sound but that is not all it can do .By setting the threshhold low it can mimic the sound of a tube rectified amp because as a note beguins to die the box brings it back to life so to speak creating sustain. Tube rectifiers choke heavy signals but as the note dies it's voltage increases creating sustain I like to use the little rubber thing on the output control so I can control it with my foot it is great as a volume control. This pedal is not just for country players it will make any amp and guitar sound better ...great really it helps breath life into notes if you don't run the threshold to high it is a monster volume boost get one I have been playing a long time and unless you find an old lab series L-5 amp this is what you should have best tool you will ever own.R.N.H
I think it is a ten and I can't think of too many other boxes that you can really say that about I've had mine thirty years it's unreal I must have gone through dozens of amp's and guitars but I some how held on to this old stomp box heck if it had blew up after a year I probably would still got another one.
I Also had an mxr distortion plus that I lost in a fire and it was a great tool as well.
I thiink I paid about $40.00 in 1979 for one of these baby's and I still have it and it has more than paid for itself I hope they bury me with it. there are always critics out there that nitpic but most of those cats cant play anyway so they blame the gear this thing will make you sound better if you let it.

VS

Most Liked Negative Review

 

Ok, but tame.

I like MXR effects often because of build quality and because of the stomp switch, which I find personally more reliable than the treadle-style switch found on most Boss effects (for example). This...Read complete review

I like MXR effects often because of build quality and because of the stomp switch, which I find personally more reliable than the treadle-style switch found on most Boss effects (for example). This effect does add the sparkle, and it definitely compresses. However, it is quite modest used as a clean boost. With some guitars, it seems to boost a useful amount, but not with others. I would recommend shopping for one that could add more boost if that is what is needed. Otherwise, it's fine.

Reviewed by 118 customers

Displaying reviews 1-20

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(9 of 10 customers found this review helpful)

 
5.0

A Few Complaints.... Not Mine Though

By Hammy Whammy-8trIi

from Undisclosed

See all my reviews

Comments about MXR M-102 Dyna Comp Compressor Pedal:

Lets get this staight first. I've only played this pedal twice. It has a great compression sound, days of sustain, but thats what a compressor is suppose to do, Right? Well it could also be used as a good boost pedal too. Now I know what all the complaints are about. This pedal tends to HISSSSSSS when its on. Well, when I played it, I noticed the same thing! and the thing is, theres a way to fix it. You don't need to buy a smart gate, or noise gate pedal to fix it. Theres actually a built in noise gate that comes within the pedal. All you need to do is unscrew the back and turn the noise gate up with a little screw driver. So next time you read a review about this pedal saying it is noisy, know theres a way to fix it. This is actually a great pedal, buy it.

(6 of 11 customers found this review helpful)

 
1.0

PLAIN JANE SIMPLE AND NICE

By Blues n stuff

from Southern California

See all my reviews

Ask me a question

Comments about MXR M-102 Dyna Comp Compressor Pedal:

Only annoying thing is the power plug on the side instead of at the top of the box like every other pedal in the world.
I've tried a few compressors in this range. Spent days fiddling with knobs and came up with nothing earthshaking. This one in about ten minutes got it. Or what I like. Left knob at 3:00 to 4:00. Right knob at 9:00 to 10:00. Nice sustain, sound very close to clean signal. Telecaster through Fender tube amps. No other pedals for gain or distortion. Country and blues.

(6 of 6 customers found this review helpful)

 
5.0

Ray Highsmith guitarist and vocalist (Blusemill on the new moon blues label

By Ray Highsmith

from Alabama

Comments about MXR M-102 Dyna Comp Compressor Pedal:

Well built reliable easy to use and very flexable as far as what it can do despite the fact that is has only two controls.... more knobs to twiddle with don't make things better.
This baby is totaly foot control-able if that is even a word.
I could go on and on about this pedal It's been around awhile I have a really old one and the only differance is the old ones didn't have a lite on them.
This is the best comp box there is and I think the fact that it has only two knobs is part of it .
this is a great box for getting that Nashville sound but that is not all it can do .By setting the threshhold low it can mimic the sound of a tube rectified amp because as a note beguins to die the box brings it back to life so to speak creating sustain. Tube rectifiers choke heavy signals but as the note dies it's voltage increases creating sustain I like to use the little rubber thing on the output control so I can control it with my foot it is great as a volume control. This pedal is not just for country players it will make any amp and guitar sound better ...great really it helps breath life into notes if you don't run the threshold to high it is a monster volume boost get one I have been playing a long time and unless you find an old lab series L-5 amp this is what you should have best tool you will ever own.R.N.H
I think it is a ten and I can't think of too many other boxes that you can really say that about I've had mine thirty years it's unreal I must have gone through dozens of amp's and guitars but I some how held on to this old stomp box heck if it had blew up after a year I probably would still got another one.
I Also had an mxr distortion plus that I lost in a fire and it was a great tool as well.
I thiink I paid about $40.00 in 1979 for one of these baby's and I still have it and it has more than paid for itself I hope they bury me with it. there are always critics out there that nitpic but most of those cats cant play anyway so they blame the gear this thing will make you sound better if you let it.

(5 of 8 customers found this review helpful)

 
3.0

Ok, but tame.

By Rich

from Chicago

About Me Professional Musician

See all my reviews

Verified Buyer

Pros

  • Compact Design

Cons

  • Limited Selection Of Effects
  • Not Responsive

Best Uses

  • Amateur Recording
  • Events
  • Home Studio
  • Performances
  • Professional Recording

Comments about MXR M-102 Dyna Comp Compressor Pedal:

I like MXR effects often because of build quality and because of the stomp switch, which I find personally more reliable than the treadle-style switch found on most Boss effects (for example). This effect does add the sparkle, and it definitely compresses. However, it is quite modest used as a clean boost. With some guitars, it seems to boost a useful amount, but not with others. I would recommend shopping for one that could add more boost if that is what is needed. Otherwise, it's fine.

(5 of 15 customers found this review helpful)

 
1.0

Dynacomp pedal

By JMBW Vintage

from MN

See all my reviews

Ask me a question

Comments about MXR M-102 Dyna Comp Compressor Pedal:

I am totally disappointed with this pedal. I had high hopes since I read the good reviews for it. This pedal had no sustain whatsoever, it's way to noisy,also there's volume issues. I just couldn't tweak it to get any sustain.
It just has 2 knobs.
The construction was good.
The price was good.

(4 of 4 customers found this review helpful)

 
5.0

Best Compression I have ever used

By guitar74

from Conyers, ga

About Me Professional Musician

Pros

  • Adds Country Snap
  • Doesn't Overpower
  • Simple To Use

Cons

  • None

Best Uses

  • Everything Musical

Comments about MXR M-102 Dyna Comp Compressor Pedal:

After trying out many compression pedals decided to try the DYNACOMP and was absolutely blown away. After getting it home, as even more impressed. After a little tweaking found the sweet spot and it stays on all the time.

A good compressor should add something to your tone without completely coloring it. This pedal does it after a little tweaking. The BOSS sounded the same regardless of where you set it-colored, supersquashed, etc. The MXR has half the dials, and twice the range. In fact, after using it, I don't notice it's there until I turn it off, then it sounds like there's something missing.

Try it, use it, and play around with it, you'll be sure to find a setting that ENHANCES your tone. I did!!!

(4 of 4 customers found this review helpful)

 
5.0

Best value for the $$

By Big Guy 75

from Troy, AL

About Me Experienced

See all my reviews

Verified Buyer

Pros

  • Compact Design
  • Excellent Sound Quality
  • Responsive

Cons

    Best Uses

    • Amateur Recording
    • Events
    • Home Studio
    • Performances
    • Professional Recording

    Comments about MXR M-102 Dyna Comp Compressor Pedal:

    Came down to this Dyna Comp and the Keeley. Compared them next to each other and simply could not tell much, if any, difference. Musician's Friend sold me the Dyna Comp for about 1/4 the cost of the Keeley!! Nuff said!

    (4 of 5 customers found this review helpful)

     
    4.0

    For It's Price, It's Worth It

    By Joung Shin

    from big apple

    See all my reviews

    Comments about MXR M-102 Dyna Comp Compressor Pedal:

    I decided to get one of these and play around with it to see if it's actually worth it. To be honest, the price point is excellent and even though it's light, it's built like a tank.Let's get this straight, I will not sit here and say that it is worthy of a comparison to a Keeley two-knob or a Diamond compressor (which I own both). If you're on a tight budget, this is probably the best compressor for it's price range, but investing in a Keeley or a comparable compressor is certainly better than this one. It definitely does what it's supposed to do and that is to compress your guitar signal, but it compresses it to the point where it squashes the signal too much. I find myself pushing the Output all the way, but that creates ridiculous noise.Overall, I like this pedal with the exception of over-compression. The price is unbeatable and it does what it's supposed to do so I guess, in that respect, it's a great pedal. I decided to mod this pedal to give it more clarity and bass.

    (4 of 5 customers found this review helpful)

     
    5.0

    There are two pedals you must have. A compressor is one of them.

    By Obamistake

    from Little Rock, AR.

    See all my reviews

    Comments about MXR M-102 Dyna Comp Compressor Pedal:

    After moving the amps out in the nook area, hooking up all the pedals and cranking it up, I knew I needed a compressor...and a noise gate. The noise gate I wanted was out of stock so I decided to go with only a comp for now. The MXR does a great job of smoothing things out, and even goes a long way toward taming the nasty, noisy hiss I was getting.

    Other than an EQ, a compressor should be in your signal chain.

    Compressor, Distortion, and EQ: these three will get you closer to that tone you're after.
    Two knobs and a switch. Not much in the features department, but this pedal does exactly what it should.
    Another well made product from MXR.
    This one is priced just right. It's not fancy but it does a great job.

    (3 of 3 customers found this review helpful)

     
    5.0

    All depends on STYLE and AMP

    By kbcarroll

    from Nashville, TN

    See all my reviews

    Ask me a question

    Comments about MXR M-102 Dyna Comp Compressor Pedal:

    I've been using this pedal for about 8 or 9 years now. I can say this. Obviously, you need to know for what a compressor is used. After you've googled that one, it's hard to go wrong with this one. For the money, it absolutely cannot be beaten--hands down. It can do quite a bit despite only having 2 knobs and the low low price tag. To put it bluntly, when I'm playing clean chords, I have yet to find a situation where I can afford to turn it off. But know this: it really depends on your amp. Cheaper amps--especially solid state amps, benefit GREATLY from having this pedal on all the time. I keep the knobs at 1 Oclock and 11 Oclock and it adds a severe level of warmth to an otherwise, cold or dry amp. It can even do so for cheap tube amps (like my hot rod deluxe). When i'm playing my hot rod, I NEED this pedal. When I'm playing my vintage bassman, I can click it off.

    (2 of 2 customers found this review helpful)

     
    3.0

    Okay, but effect is too minimal.

    By Kmac

    from San Diego, CA

    See all my reviews

    Pros

    • Compact Design

    Cons

    • Not Responsive

    Best Uses

    • Amateur Recording
    • Home Studio

    Comments about MXR M-102 Dyna Comp Compressor Pedal:

    As typical MXR has excellent build quality, but the effect was barely noticeable across a variety of settings. As a booster it's fine, but as a compressor I found it way too mild, barely compressing the signal. Does it compress? Yes, but only minimally. Going back to Musicians Friend which has excellent customer service.

    (2 of 2 customers found this review helpful)

     
    5.0

    Great product, Great price

    By markm

    from CT

    About Me Experienced

    See all my reviews

    Ask me a question

    Pros

    • Compact Design
    • Excellent Sound Quality
    • Responsive
    • Versatile

    Cons

      Best Uses

      • Amateur Recording
      • Events
      • Gigs
      • Practice

      Comments about MXR M-102 Dyna Comp Compressor Pedal:

      I've had way mre expensive compresors that do the same as the Dyna Comp.
      This is really great, and quiet at low setings to keep everything evened out on clean or distrotion.
      I leave it on all the time.
      Glad I sold my more expensive compressor to fund some other pedals!

      (2 of 2 customers found this review helpful)

       
      5.0

      Dyna Comp

      By n00b334

      from Alabama

      About Me Novice

      See all my reviews

      Ask me a question

      Pros

      • Compact Design
      • Excellent Sound Quality
      • Responsive

      Cons

      • Limited Selection Of Effects

      Best Uses

      • Amateur Recording

      Comments about MXR M-102 Dyna Comp Compressor Pedal:

      I was in the market for a compressor and chose the M-102 Dyna Comp for it's simple 2 knob interface. It sounds good too and seems to be built well. I can't wait to pair it with a fuzz type pedal. It also sounds good with my Boss MD-2. I recommend the Dyna Comp for someone looking to get more sustain without adding a lot of noise.

      (2 of 3 customers found this review helpful)

       
      5.0

      Great pedal

      By alandgail

      from New York, New York

      About Me Professional Musician

      See all my reviews

      Ask me a question

      Verified Buyer

      Pros

      • Excellent Sound Quality
      • Responsive

      Cons

        Best Uses

        • Performances

        Comments about MXR M-102 Dyna Comp Compressor Pedal:

        Does only one thing, but does it well. No bells and whistles clutter

        (2 of 2 customers found this review helpful)

         
        5.0

        Make Your Sound Cut

        By John Tomes

        from inland northwest

        See all my reviews

        Comments about MXR M-102 Dyna Comp Compressor Pedal:

        I got this last weekend, and it already is a crucial piece to my rig. I can get low-level feedback or just get clear articulations and notes with less fuzz. Works great infront of my solid-state amp. A must for any rig if you're trying to get quality and price.
        Two controls. How loud you want it and how much sustain you want. Nothing to confuse you if your new to the pedal world.
        Solid steel box. MXR and Dunlop make things that can take a beating. The only thing that is frustrating is that you can't really close the box if you use a 9v battery.
        Not the cheapest comp pedal, but also not the most expensive. It gets the job done and saves you some cash for other toys.

        (2 of 11 customers found this review helpful)

         
        3.0

        "Infinite Sustain -- Not"

        By BigBirdPhila

        from Philadelphia, PA

        About Me Experienced

        Comments about MXR M-102 Dyna Comp Compressor Pedal:

        The description claims "infinitely clean sustain". I found it no longer or cleaner than that in my ME-70. Can't tell the difference. I prefer having all my effects in one box unless there's a significant reason to have an extra one. There isn't, so the M-102 goes back.

        (2 of 3 customers found this review helpful)

         
        5.0

        No better compressor for the money

        By devilsadvocate

        from Apopka, FL

        About Me Experienced

        Pros

        • Compact Design
        • Excellent Sound Quality
        • Responsive
        • Versatile

        Cons

          Best Uses

            Comments about MXR M-102 Dyna Comp Compressor Pedal:

            I use this after all the dirt pedals in my rig. This isn't the "recommended" place for compression, but it has its advantages. I leave my overdrive (either a plimsoul or OCD depending on the song) on all the time & use the volume knob to control the amount of dirt I need while keeping a near uniform volume level - a cool trick which you can't do running the compressor 1st in the chain. That being said, like my OD's, it stays on almost all the time. It can get a little noisy at high volumes, but this is manageable w/ a noise suppressor. The pedal is fairly transparent, and not at all digital sounding. It keeps the same level of performance no matter what pedals I use with it. It is nice and percussive w/ the sensitivity turned up high - great for jazz & funk style comping, (Somewhere between Reelin in the Years & the clean rhythm section of Stanley Clark's School Days) and due to the medium-quick attack, I can approximate Trey Anastasio's lead tone quite admirably on a budget. At medium to lower sensitivity it blends in with your core tone and smooths out the peaks and valleys - providing a uniform smooth tone with little to no coloration. There are certainly better compressors out there, but for under $100 it doesn't get any better. You can argue for the inclusion of an "attack" control, which the MXR Suupercomp has, but I couldn't dial in a better level of attack on any compressor - the speed is perfect for me. If the Dynacomp was good enough for Lowell George, it's good enough for me

            (2 of 2 customers found this review helpful)

             
            4.0

            Does what It's supposed to do

            By Denny Harvey

            from Louisville KY

            See all my reviews

            Ask me a question

            Comments about MXR M-102 Dyna Comp Compressor Pedal:

            Just bought this compressor. The reason is this particular compressor has been around as long as I've been in the music business. There's a reason for that. It's well built with metal casing, metal footswitch, nice rotary knobs, bright LED light. It's not fancy with a lot of knobs and switches, but, It does the job. Using it in a chain with a Blues driver and LPB-1. This makes a nice combination of even overdriven tones for classic rock and country music. The rubber knob covers add a nice touch to be able to take your toe and adjust on the fly. There is the re-occurring "hissing" problem found in this pedal, however, as another reviewer stated, you can dismantle the pedal and turn over the circuitboard and right in the middle is an adjustment screw. Also, depending on how one positions both output and sensitivity knobs, you can relieve some or most of this annoyance. One just has to be patient and work with it and it will do what it's supposed to do.... for years! That's why I bought another. It will be a sound (excuse the pun) investment in a good quality pedalboard rig. Get one today!

            (1 of 1 customers found this review helpful)

             
            5.0

            Love It

            By Keith

            from Idaho

            About Me Professional Musician

            See all my reviews

            Ask me a question

            Verified Reviewer

            Pros

            • Compact Design
            • Excellent Sound Quality
            • Good Selection Of Effects
            • Responsive
            • Versatile

            Cons

              Best Uses

              • Amateur Recording
              • Events
              • Home Studio
              • Performances
              • Professional Recording
              • Touring

              Comments about MXR M-102 Dyna Comp Compressor Pedal:

              Does everything a compressor should do. Leave it on most of the time. Great pedal. You'll love it on your board and you will use it.

              (1 of 1 customers found this review helpful)

               
              4.0

              A simple but essential tool in your signal chain

              By Josh Lucien

              from Houghton, MI

              About Me Experienced

              See all my reviews

              Verified Reviewer

              Pros

              • Compact Design
              • Excellent Sound Quality

              Cons

              • Limited Selection Of Effects

              Best Uses

              • Events
              • Home Studio
              • Performances

              Comments about MXR M-102 Dyna Comp Compressor Pedal:

              I've been flirting with the idea of purchasing a compressor for some time now. I've been happily using a DOD 250 as a clean-ish lead booster for many years, but more than a few of my buddies have sworn by compressors and the Dyna Comp in particular. I finally pulled the trigger and tested it on a number of axes in a few common scenarios, and I will say that it's earned its place on my admittedly crowded pedalboard.

              On plugging it in for the first time, I found the sound quality to be excellent both when the unit was in use and when I bypassed it. When compressing your guitar signal, many reviewers have noted that the Dyna Comp isn't completely transparent and imparts its own tone, and I'd have to agree. The "squash" that is often associated with clean country leads is immediately accessible (sensitivity knob around 11 o'clock), and I was in chicken pickin' heaven within minutes. I didn't consider this to be a drawback at all, and the Dyna Comp was especially adept at fattening up leads on single-coil instruments like my Strat and Tele. Where this really shone was when I was playing live: now when I step out for my leads, they're at a predicable and consistent volume, allowing me to dig in for some twang without drastically changing my volume.

              My only critique is with the Dyna Comp's versatility - or more accurately, lack thereof. Turning the sensitivity knob to 1 or 2 o'clock robs me of some dynamics but gives me a touch more sustain. Anything past 3 o'clock is more or less a useless muck to me, although I hear that some slide players love this zone.

              Bottom line: grab this pedal if you want to enjoy consistent and articulate leads, especially with a single-coil guitar. It's not as versatile as other pedals in this price range, and you'll only coax a few kinds of sounds out of it. But it's earned its place in my signal chain as a lead booster that has made playing live even more enjoyable.

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