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Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal   

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The Electro-Harmonix Bass Big Muff Pi is a distortion pedal that gives bass players that great distortion that the Big Muff is known for with no loss...Read More

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OVERVIEW

Designed to deliver distortion with no low-end loss!

The Electro-Harmonix Bass Big Muff Pi is a distortion pedal that gives bass players that great distortion that the Big Muff is known for with no loss of low end. The Bass Big Muff Pi Pedal features controls for volume, tone, sustain, dual outputs (effect and dry for recording), and a mini switch for bass boost. The Electro-Harmonix Bass Big Muff Pi Distortion Pedal is powered by a single 9-volt battery or optional AC power supply (sold separately).

FEATURES
  • On/Off switch
  • Controls for Volume, Tone, and Sustain
  • Dual outputs
  • Mini Switch for Bass Boost
  • Rugged metal chassis
  • Runs on 9 volt battery or optional AC Adapter (sold separately).
SPECIFICATIONS

XO Bass Big Muff PI Distortion Effects Pedal

  • Dimensions (L x D x W): 6.2" x 3.2" x 5.6"
  • Weight: 1 Lb.
Reviews
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Review Snapshot

by PowerReviews
Electro-HarmonixXO Bass Big Muff PI Distortion Effects Pedal
 
4.7

(based on 54 reviews)

Ratings Distribution

  • 5 Stars

     

    (43)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (4)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

92%

of respondents would recommend this to a friend.

Pros

  • Excellent sound quality (8)
  • Responsive (8)
  • Versatile (7)
  • Compact (6)
  • Good selection of effects (3)

Cons

  • Limited selection of effects (3)

Best Uses

  • Performances (11)
  • Home studio (6)
  • Amateur recording (4)
  • Outdoor events / games (4)
  • Professional recording (3)
    • Reviewer Profile:
    • Experienced (6), Professional musician (4)

Most Liked Positive Review

 

best bass distortion around

if you're looking for a great bass distortion, fuzz, or even a low-gain boost, this pedal is for you!!! i've used for everything from very contemporary worship services to indie...Read complete review

if you're looking for a great bass distortion, fuzz, or even a low-gain boost, this pedal is for you!!! i've used for everything from very contemporary worship services to indie rock/grunge, you name it!!! this pedal does it all!!!!! if you have any doubts, BUY ONE NOW. you won't regret it!!!
so yes while this pedal is very simply laid out, and it appears there's not much to it, its incredibly versatile. between the Tone and Sustain knobs, there's vast amounts of control over the over tone. and all the while, i lose no tone or sustain from my amp (Hartke LH1000 head with a 4X10 cab and 1X15 cab) whatsoever! and on top of all that, the three way mini-switch for bass boost is amazing!!! you can truly sculpt and customize your tone with this pedal.
talk about well built, this thing is rugged!! not to mention the battery life is amazing!! the only complaint i have is that the screws on the bottom come all the way out of the chassis, and therefore could be easy to lose, but there are ways to prevent that.
i was blown away that for something so valuable to my tone and playing in general, that its so affordable! this thing has completely changed my style and opened up so many doors of musical exploration, i don't know if i can put a price on it! i will definitely cherish this pedal for years to come!

VS

Most Liked Negative Review

 

Not all that

Ok so I had heard good thigs about this pedal, and so I went in expecting it to sound good. I plugged it into a Fender rumble 100 (the same amp I had)...Read complete review

Ok so I had heard good thigs about this pedal, and so I went in expecting it to sound good. I plugged it into a Fender rumble 100 (the same amp I had) and I just could not get a good sound out of it. My guitarist and I agreed that it just didn't cut it. I have tried many guitar pedals and many of them sounded as good or better than this one that is supposedly designed for bass. If you like the sound, then fine use it, but to me it just sounded bad. So, while this may seem obvious PLAY BEFORE YOU BUY IT. No amount of reviews and videos can compare to you actually plugging this in and trying it out.

Reviewed by 54 customers

Displaying reviews 1-10

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3.0

Almost, but not quite

By NicFX

from Colorful Colorado

About Me Experienced

Verified Reviewer

Pros

  • Excellent Sound Quality

Cons

    Best Uses

    • Amateur Recording
    • Home Studio
    • Performances

    Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

    I used to have one of those early 90s army green sovtek muffs that I absolutely loved. Hands down it was my favorite pedal. Unfortunately it was stolen. I bought this pedal to replace it since everyone seems to say that it is the closest thing going. I think this pedal sounds really good but it just is not quite as smooth and creamy as those old russian muffs. I like the little bass boost switch and both tones are very useable but if you really want that super fluffy, marshmallowy, siamese dream-esque distortion you might just have to go find an old one. I have also found that it sounds completely different depending on what amp you have it plugged into. Not just a little different but almost like it is not even the same pedal. This is to be expected of course but I was really suprised at just how much the tone varied. Into my fender twin it really does not sound that good and I like my mini fuzz face 10x more. Into the effects loop of my orange rockerverb 100 it really comes alive and has a great tone. It also sounds pretty good in the loop of my mesa express5/50 combo but if you are planning to pair this up with a fender you might be sorely disappointed.

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    5.0

    Great Fuzz pedal, and that's all you get

    By Tanner McCoon

    from Walla Walla, Washington

    About Me Experienced

    Verified Buyer

    Pros

    • Compact Design
    • Excellent Sound Quality
    • Responsive

    Cons

    • Limited Selection Of Effects

    Best Uses

    • Events
    • Performances

    Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

    Ordered this amazing fuzz pedal on a Monday and got it by Thursday with free shipping which made my day! Pulled her out of the box and used her with the 9-volt that came with it. The sound is exactly what i was looking for! I was hoping for a great fuzz pedal that would help my tone punch through the mix in my bands well and that's exactly what i got! The one thing i'm most thankful for is this pedal seems to really smooth out my tone and add the sustain my cheap bass is missing. I always keep her switched to "Dry". "Bass Boost" gets too muddy and "normal" looses all the bottom end, though there is an effects and dry output so if you were to use both, I suppose normal would be a good decision. In conclusion, it's a great fuzz pedal that probably isn't an end-all for bass players that want a real heavy distortion. Overall, great pedal at what it says it does!

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    5.0

    great buy!

    By Steve

    from High Point, NC

    About Me Experienced

    Pros

    • Excellent Sound Quality
    • Responsive
    • Versatile

    Cons

      Best Uses

      • Performances
      • Professional Recording

      Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

      great product. Easy to use. Sounds great!

      Comment on this reviewHelp Icon

       
      4.0

      Great Pedal

      By Noah

      from Mooresville, NC

      About Me Experienced

      Ask me a question

      Pros

      • Compact Design
      • Excellent Sound Quality
      • Responsive
      • Versatile

      Cons

        Best Uses

        • Performances
        • Professional Recording

        Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

        I've used this pedal for a few months now. I used it all through marching band, in my own band, and at church. I like a very clean vintage sound, but sometimes you just need a little punch to get that punky feeling. Whether you're going for full on distortion, or just a little punch, this is for you. I love it. Just to give my bass (Fender Jazz) a little more edge, this pedal did it for me. Love it!!

        Comment on this reviewHelp Icon

         
        4.0

        first bass distortion pedal

        By thunderbird guy

        from Plymouth, MA

        About Me Experienced

        Pros

        • Compact Design
        • Good Selection Of Effects
        • Responsive
        • Versatile

        Cons

          Best Uses

          • Amateur Recording
          • Events
          • Performances

          Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

          This is my first bass distortion pedal and I'm running it through a fender rumble 100 amp with 2, 10" speakers and an epiphone thunderbird IV bass.

          Overall it seems to do everything you would expect from a good bass distortion, you can adjust the volume of the effect, the level of distortion, and the overall tone of the pedal using three circular knobs. On top of this there is a little switch that has three settings: down is "dry", which splits your signal so you can hear the clean bass as well as the distorted bass (this sounds really sick!), middle is normal which is just the distorted signal, and the top setting is "bass boost" which is the distorted signal but with a noticeable increase in the bottom end. Between all of these settings you can really dial in any kind of bass distortion you want, from a slight fuzz all the way to a crazy, crunchy, gnarly tone. The only reason I gave it 4 stars is that on some settings it just sounds a little too much for my taste but then again I don't really play alot of music that uses a TON of bass distortion, I mainly use either the "dry" or "bass boost" settings with the distortion knob around 9 oclock and it adds a really nice fuzz. The construction is rock solid from what I can tell and it takes a standard wall adapter. Overall, I am happy with my purchase and though I have never tried any other bass distortion pedals, this one does the trick for me, once I figured out how to dial it in the right way. Also mess with the EQ on your amp while your messing with the pedals settings, as this will really effect how the distortion sounds with your tone.

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          (0 of 1 customers found this review helpful)

           
          4.0

          Add some punch to your bass rig!

          By Rick

          from Mocksville, NC

          About Me Experienced

          Ask me a question

          Verified Buyer

          Pros

          • Easy to use
          • Quick Set Up
          • Simply Does The Job

          Cons

          • Limited Selection Of Effects

          Best Uses

          • Amateur Recording
          • Events
          • Home Studio
          • Performances

          Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

          This product simply adds distortion to your bass rig. You can't change the sound, but you can change the amount of distortion and sustain. I recommend this because it adds power and presence to any bass player that wants to be heard loud and clear. Also, this product allows you to keep your bottom end sound while adding the power of sweet distortion. Be sure to purchase the AC adaptor. It will save you from having to buy 9 volt batteries all the time.

          Comment on this reviewHelp Icon

          (0 of 1 customers found this review helpful)

           
          5.0

          this thing is sick

          Pros

          • Excellent Sound Quality
          • METAL
          • Punk
          • Responsive
          • Rock
          • Simple
          • Versatile

          Cons

            Best Uses

            • Amateur Recording
            • Events
            • Home Studio
            • Performances

            Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

            I ordered this thing and im really pleased, I play all the rock, metal, newer punk stuff and i can get the sound I want, and it doesnt take up alot of space and its simple so thats always great to. I recomend this pedal

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            (2 of 4 customers found this review helpful)

             
            3.0

            Not a reliable Pedal

            By Bassman

            from Connecticut

            About Me Professional Musician

            Ask me a question

            Pros

            • Compact Design
            • Excellent Sound Quality

            Cons

            • Irritable Buzz
            • Loud Click When Activated
            • Very Noisy

            Best Uses

            • Paper weight

            Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

            The problem with this pedal is that it is unreliable. Every time I activate it, it could work perfectly or it could just totally freak out. Often times the volume is different than where I set it or there is a very loud buzz that wasn't there before. I never know what I'll get when I turn it on. When it works it sounds great. It is too unreliable to gig with.

            Comment on this reviewHelp Icon

             
            5.0

            EXCELLENT PEDAL.

            By DylanLarsen

            from Springville, UT

            About Me Professional Musician

            Pros

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

            Cons

              Best Uses

              • Home Studio
              • Performances

              Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

              I think this is a fantastic little gadget. It gives me that thick distortion cloud I've been searching for. Very adjustable and rugged. Works awesome with both bass guitar and electric guitar. :D I highly recommend this.

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              (1 of 1 customers found this review helpful)

               
              5.0

              Great Effects Pedal!

              By RythmSectionRyan

              from Farmington, NM

              Pros

              • Good Selection Of Effects
              • Tough
              • Versatile

              Cons

              • Low Battery Life

              Best Uses

              • Home Studio
              • Performances

              Comments about Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal:

              This is a durable pedal, made in the USA, with great effects to play with.

              You can get anything from a light crunch, to a treble distortion explosion!

              The one down side I can think of is this guy can eat batteries. It could be how often I use it, but I went through 3 9Volts in a month.
              So look into AC adapters.

              It's noteworthy that you can mix your dry input with effects output, so you can keep the fidelity of your bass tones, but still add that extra crunch.

              All things considered, I love this pedal.

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              Displaying reviews 1-10

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