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Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal

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The Electro-Harmonix Micro Q-Tron Envelope Follower Effects Pedal is everything you love about the Mini Q-Tron, in an even smaller, rounded-corner di...Click To Read More About This Product

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OVERVIEW

Teeny package, big effects!

The Electro-Harmonix Micro Q-Tron Envelope Follower Effects Pedal is everything you love about the Mini Q-Tron, in an even smaller, rounded-corner die-cast case! The Micro Q-Tron is a unique type of sound modifier, in which the user's playing style controls the effect. The volume of the input signal (also called the envelope) controls the cutoff frequency of a swept filter. As the volume increases or decreases, so does the pitch of the filter.

Controls
Drive Control - The filter sweep sensitivity control. Determines the width of the filter's sweep range by the input signal. Produces more sweep when it's turned clockwise.

Q Control &ndash Determines the frequency peak of the filter. Creates a more dramatic effect when turned clockwise.
Mode Switch (LP, BP, HP)-Determines what frequency range the filter will pass through. Emphasizes lows in LP (Low Pass), midrange in BP (Band Pass), and highs in HP (High Pass).

Footswitch - Engages and disengages the effect.

Connections - Connect your instrument to the Input jack and your amplifier to the Output jack.

Power - The Micro Q-Tron is powered by either a 9V battery or an optional Electro-Harmonix US96DC-200BI 9VDC Guitar Effects Power Supply. Inserting a cable into the Input jack engages the battery. For longer battery life disconnect the input cable when not in use.

Playing The Micro Q-Tron
The Micro Q-Tron's effect is controlled by the user's playing dynamics - a stronger attack will yield a more dramatic effect, while softer playing will produce more subtle effects. Use the full range of control settings in combination with different playing techniques to obtain a number of different and unique effects combinations.

FEATURES
Attack controlled sweep filter
Highly adjustable
Small die cast case

Click or call today to order.

SPECIFICATIONS
Optional Electro-Harmonix US96DC-200BI 9VDC Guitar Effects Power Supply
Reviews
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Review Snapshot

by PowerReviews
Electro-HarmonixXO Micro Q-Tron Envelope Filter Guitar Effects Pedal
 
4.2

(based on 17 reviews)

Ratings Distribution

  • 5 Stars

     

    (11)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

60%

of respondents would recommend this to a friend.

Pros

  • Excellent sound quality (4)
  • Compact (3)
  • Responsive (3)

Cons

No Cons

Best Uses

  • Performances (3)
  • Professional recording (3)
    • Reviewer Profile:
    • Experienced (3)

Most Liked Positive Review

 

Sweet, no-frills funk

I'd tried a few filters before I settled on this one, and it did not disappoint. The only reason I got this particular model was because of its small footprint, but it does...Read complete review

I'd tried a few filters before I settled on this one, and it did not disappoint. The only reason I got this particular model was because of its small footprint, but it does everything I need it to. Supposedly, it's a clone of the original Mu-tron, and since I was looking for Jerry Garcia-esque tones I decided this was the pedal to get. A previous review said that it was only good for single coils, but I disagree. I have a really hot humbucker in the bridge of my Tele, and on the HP setting with Q and drive at 1:00, I can get classic Jerry tones (Fire on the Mountain, Estimated Prophet, etc.) if I back the guitar's volume off a bit. When I run this into my OD, I can get awesome, dirty, quacky tones (think Steve Kimock), and when I run this through my Digitech EX-7's Leslie modeler, It sounds amazing. I would recommend this little filter to anyone.

VS

Most Liked Negative Review

 

Fabulous while it worked, which wasn't long.

I'm a semi-pro player coming back to the electric guitar after a couple of decades' absence and starting to accumulate pedals. I got a deal on a used Micro Q-Tron and reveled in it's...Read complete review

I'm a semi-pro player coming back to the electric guitar after a couple of decades' absence and starting to accumulate pedals. I got a deal on a used Micro Q-Tron and reveled in it's extreme funkiness for about three weeks, until it died. No more filter sweep so no more funky wocka-wocka. I was hooked on the sound so I sprang for a brand new one from Musician's Friend. It lasted less than a week before going the same way as the first. For both pedals, I was not gigging or endlessly jamming, just putting them through normal use. Returned the second unit to MF, and a very smooth returns process I must say. Three stars for the great the Micro Q-Tron sound but oh, well. Third time might be the charm, but I'm gonna pick up a wah-wah pedal instead and get my wocka-wocka the hard way.

Reviewed by 17 customers

Displaying reviews 1-17

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(6 of 6 customers found this review helpful)

 
5.0

Sweet, no-frills funk

By 505Coyote-myzPu

from Albuquerque, NM

See all my reviews

Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

I'd tried a few filters before I settled on this one, and it did not disappoint. The only reason I got this particular model was because of its small footprint, but it does everything I need it to. Supposedly, it's a clone of the original Mu-tron, and since I was looking for Jerry Garcia-esque tones I decided this was the pedal to get. A previous review said that it was only good for single coils, but I disagree. I have a really hot humbucker in the bridge of my Tele, and on the HP setting with Q and drive at 1:00, I can get classic Jerry tones (Fire on the Mountain, Estimated Prophet, etc.) if I back the guitar's volume off a bit. When I run this into my OD, I can get awesome, dirty, quacky tones (think Steve Kimock), and when I run this through my Digitech EX-7's Leslie modeler, It sounds amazing. I would recommend this little filter to anyone.

(5 of 8 customers found this review helpful)

 
4.0

The Mu Tron III...history lesson

By Jesus-i9BdY

from OhiO

See all my reviews

Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

I wanted the original Mu Tron sound. I wanted the Jerry sound he had for all those years of ground breaking sound. so i did a little reserch to figure out the best Envelope filter there is that is affordable and closest to the Mu Tron.The original creator of the Mu Tron III built the Q Tron for Mike Matthews (EH founder) with the same analog circuitry as the Mu Tron thus keeping the sound as close to the original as possible but with a couple of features for the new mellennium. the Q Tron features the same controls as the Mu Tron but with a Boost switch for the true Mu Tron sound, almost identical.With that said, i cannot say this pedal, the Micro Q Tron will have as close a sound to the original Q Tron but if you want the closest sound to the original Mu Tron, buy a vintage musitronics Mu Tron or the Q Tron.

(3 of 5 customers found this review helpful)

 
4.0

Crapped out early

By youWishUwereIrish

from Putnam Valley, NY

See all my reviews

Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

This thing sounds great. I love it for stuff that sounds like RHCP, basically. However.. not sure this is built very well since in the first 3 weeks it went straight to Bypass and right as that happened, my cord from the bass to the pedal stopped working.

(2 of 8 customers found this review helpful)

 
1.0

Defective?

By Lephty

from Boulder, CO

See all my reviews

Ask me a question

Verified Buyer

Pros

    Cons

    • Poor Sound Quality

    Best Uses

      Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

      I don't know if I bought a defective unit or what, but I could not get a decent sound out of this thing...tried it before my compressor, after my compressor, before my distortion, after my distortion, in line, in my fx loop, and could not get anything even close to a decent tone out of it. I know that Electro-Harmonix stuff is cheaply made (hence the affordable price) but I expect it to work at least for a little while when I buy it brand new.

      (2 of 3 customers found this review helpful)

       
      5.0

      Want to sound like Jerry Garcia?

      By Anonymous

      from Undisclosed

      Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

      Easy to use, plug in and play. Capture the sound sound of Garcia's Fire on the Mountain and Estimated Prophit from Cornell University May 1977. I have read reviews of this unit not living up to other envelope filters, like EMMA and others - I have never played them, but this filter does the trick. Easy to use, and it gives you the best bang for the buck. Buy this and you won't be dissappointed!

      (2 of 4 customers found this review helpful)

       
      5.0

      Not a bad little filter

      By Anonymous

      from Undisclosed

      Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

      This was my first envelope filter and I have to say for the price I payed it was definitely well worth it. It`s good at copying the tones of it`s older brothers, but in a much more manageable package. I`ve actually been so pleased with it that I`ve had little desire to go out and try other filters to see if I find something better (although that new one from MXR has caught my interest some). Anyways, if you`re looking for something nice and cheap to give you some great funk tones then this is definitely it.

      (2 of 5 customers found this review helpful)

       
      1.0

      JUNK!

      By Tommy -uLlfj

      from NC

      Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

      Pedal sounds ok with a strat and did not work at all with humbuckers. After 3 months it broke! EH wanted me to ship it back to them with a check for the repair and return shipping for $12. Forget it, this is the best you can do for a customer with a brand new faulty pedal. DO SOME RESEARCH! These pedals are failing and problematic. I ended up buying a different pedal from Hartman.

      (2 of 2 customers found this review helpful)

       
      5.0

      Funk in a Box!

      By MCbass18

      from Wollongong, Australia

      See all my reviews

      Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

      This Pedal is great. It's the best sounding Envelope filter I have ever used.Compared to other filters I have used, you get that Funky swirl of tonal spice as soon as you step on it. Easy to dial in sweet tones.The only thing I dont like is the price of this pedal). But I think its deffinatley worth it!

      (1 of 1 customers found this review helpful)

       
      5.0

      Sweet Meow-wow

      By Jak

      from Ames, IA

      About Me Experienced

      See all my reviews

      Ask me a question

      Verified Buyer

      Pros

      • Can Adjust To Taste
      • Compact Design
      • Excellent Sound Quality
      • Good Selection Of Effects
      • Responsive
      • Versatile

      Cons

      • Volume Boost When On

      Best Uses

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

      Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

      Dialing in the right setting(s) for your own set-up and guitar type is key with this great pedal. I run all knobs at 1 o'clock (first knob on low bypass for that meatier response). Light pick stroke to medium hard pick stroke sets this thing meowing away with those funky cat noises one expects from an envelope follower/filter. It has a significant volume boost when activated - so just back off the volume knob on your guitar before activating if you don't need the boost. But sometimes the boost is convenient and welcome so you immediately stick out during solo time - so that's not necessarily a con here. Really cool pedal - sweet addition, it finished my arsenal. Run it directly after distortion pedals in your chain. Frees you up from being tied to a manual wah pedal too ... especially when you feel a Pete Townsend jump comin on.

      (1 of 1 customers found this review helpful)

       
      5.0

      Everything you think it is - and MORE!

      By CAMTRONNNN

      from Danbury CT

      About Me Professional Musician

      See all my reviews

      Ask me a question

      Verified Buyer

      Pros

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

      Cons

      • Not One

      Best Uses

      • Events
      • Great For Home Recording
      • Performances
      • Professional Recording

      Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

      I purchased this as a gift for a professional keyboardist/pianist of some twenty years in the making. The sheer amount, let alone quality, of tones he was able to generate with this pedal was quite literally awesome. A+

      (1 of 1 customers found this review helpful)

       
      5.0

      such a great pedal

      By CWards

      from canada 519

      See all my reviews

      Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

      I bought this pedal on a whim when I was buying another pedal, I knew it gave you a funky sound and that people liked it. So i bought it, plugged it in and wow, I immediately was impressed, didn't even start playing with knobs at that point, sounded so good, and once you get a feel for the knobs (which doesn't take long) you can have some serious fun, it works reallllly well on single notes opposed to chords.

      (0 of 1 customers found this review helpful)

       
      5.0

      I Enjoy this Product

      By Drew w/The Gateway Rugs

      from Indiana

      About Me Experienced

      See all my reviews

      Verified Reviewer

      Pros

      • Compact Design
      • Excellent Sound Quality
      • Responsive

      Cons

        Best Uses

        • Home Studio
        • Performances
        • Professional Recording

        Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

        It will take a little time to adjust for the sound you are looking for but you can get a lot out of this micro pedal. I was personally looking for something I could use for Jerry style funkier solos and something for a quick use to make anything I am doing a bit funkier without having to bust out the wah pedal and this does all that for me perfectly.

         
        3.0

        Fabulous while it worked, which wasn't long.

        By Jim

        from Knoxville TN

        About Me Experienced

        See all my reviews

        Verified Buyer

        Pros

        • Excellent Sound Quality
        • Responsive

        Cons

        • Breaks Easily

        Best Uses

          Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

          I'm a semi-pro player coming back to the electric guitar after a couple of decades' absence and starting to accumulate pedals. I got a deal on a used Micro Q-Tron and reveled in it's extreme funkiness for about three weeks, until it died. No more filter sweep so no more funky wocka-wocka. I was hooked on the sound so I sprang for a brand new one from Musician's Friend. It lasted less than a week before going the same way as the first. For both pedals, I was not gigging or endlessly jamming, just putting them through normal use. Returned the second unit to MF, and a very smooth returns process I must say. Three stars for the great the Micro Q-Tron sound but oh, well. Third time might be the charm, but I'm gonna pick up a wah-wah pedal instead and get my wocka-wocka the hard way.

           
          5.0

          Classic Effet at an Amazing Price

          By Grasshopper

          from France

          Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

          This is a wonderful effect, which does what it is supposed to do, reproduce the funky dirt of Isaak Hayes's or Stevie Wonder's records of the mid-70s.Plus it can be used as a very useful noise device Sonic Youth-Style depending on how you set the band on it. Of course, it's a noisy effect, but an envelope filter is all about sweeps and noises, it adds a lot of gain, you have to know how to use it, and sets the drive and q according to your own playing. It's classic, vintage, funky and it's cheap.

           
          4.0

          the q - limited, but sweet

          By TJ Lake

          from Toledo, OH

          See all my reviews

          Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

          Spent the last 3 hours with this in different positions, trying to get 'drive' set correctly... it basically means 'sensitivity'. A high input signal peaks this thing (result is only top of wah range, no envelope) - single coils only, gang!!! I dig it, though. Solidly built, and runs off a Boss chain power chain.The modes: Low pass, high pass, and band (mid) pass - are all very different - and straight up 12 o'clock settings on q and drive are good places to start.Very pleased with the thickness and the responsiveness, but you MUST make an effort to learn how to dial it.It's a little over-priced, considering other offerings out there - but true bypass is worth a little extra, I guess.If your looking for one-button funk - it's right there. Set the 'drive' lower and you can get a cocked wah growl with a little movement a a free foot for your looper. Try high pass with pegged settings and scratch your way into a reverse delay... get the idea???

           
          5.0

          funk box

          By fender818-7Dxxh

          from Undisclosed

          See all my reviews

          Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

          The Micro QTRON is great for funk. Tones heard on various Blood Sugar Sex Magik by the RHCP and Head Hunters by Herbie Hancock can be achieved. Overall I'd say this pedal is a good buy, I've never played the big q tron but this seems to have most of the same features. It's uses are somewhat limited but it is still fun to use and incorporate with other effects.

          (0 of 2 customers found this review helpful)

           
          5.0

          funky littil envellop filter

          By fhsdf vsgdvbsyduvb jr.

          from New York City

          See all my reviews

          Comments about Electro-Harmonix XO Micro Q-Tron Envelope Filter Guitar Effects Pedal:

          i have a bass and it sounds great u have to play around with it befor u get it souning like fle but it is a great filter BUY IT

          Displaying reviews 1-17

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