Electro-Harmonix Metal Muff with Top Boost
Electro-Harmonix Metal Muff with Top Boost

Metal Muff with Top Boost, Other guitar saturation effect from Electro-Harmonix in the Metal Muff series.

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All user reviews of 4/5 for the Electro-Harmonix Metal Muff with Top Boost

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Average Score:4.4( 4.4/5 based on 45 reviews )
 31 reviews69 %
 6 reviews13 %
 4 reviews9 %
 3 reviews7 %
 1 user review2 %
Value For Money : Excellent
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James...'s review"Mesa in a box"

Electro-Harmonix Metal Muff with Top Boost
Standard distortion box layout. Bass middle treble. Boost, volume, gain. Pedal is digital and I don't believe it's true bypass judging from my ears. Seems solid though. I actually had one of these years ago and recently bought one to see if I still liked it. Neither have had issues. Although they guzzle batteries quickly. I suggest getting line power.


First thing is first. The boost isn't really that usable to me. It changes the volume but also the tone, very drastically. It changes the tone so much that it's like you turned on another pedal or something. So I really never use it. You would think EHX would fix this. The knobs also have some odd tolerances and sometimes turning something just a notch can have a dramatic effect on the sound. I have to duct tape my knobs once I get the settings right or I'll bump them and ruin the sound. Overall it's not a perfect design in utility.


Here's what's good. If you feed this into a Fender or Fender style clean channel, it turns the amp into a mesa rectifier for all intents and purposes. Everyone is always looking for that high gain in a box pedal that doesn't sound like a bunch of flies buzzing around. This is that pedal. It's very defined and chunky gain. Probably one of the best recto simulators I've ever played. It isn't to be confused as a fuzz though. While the gain does have a fuzzy quality this is not a fuzz pedal.


It does have its functional flaws and the boost changing the tone is a big let down. Some players might not be as bothered by this. The sound is next to amazing and I'm chocked at how this can turn a very sterile clean channel into a full on high gain mesa lead channel. I'm not a fan of distortion pedals over overdrives but this one has impressed me continually.

yoTrakkz's review"thick and full "

Electro-Harmonix Metal Muff with Top Boost
The Electro Harmonix Metal Muff is an analog distortion guitar pedal. It has a 1/4 inch input and output and is not a rackable unit as it is a foot stomp box. It needs some sort of nine volt power to run on.


The configuration of the Electro Harmonix Metal Muff is really simple and straightforward. It simply has three knobs - one for distortion level, one for filer (EQ), and one for volume level. It is easy to get a thick sound from this and is easy to manipulate the different parameters to get a sound that suits your needs. I don't have a manual for this, so I don't know how useful it is when learning this pedal.


The distortion sound from the Electro Harmonix Metal Muff is really thick and full. I would recommend this if you are looking for some really heavy, metal-like distortion for your guitar. I have only used this with guitar and it probably isn't all that useful for other instruments or genres other than metal or hard rock. Turning the distortion all the way up will give you a huge tone that is great for getting that fat distortion tone heard on many metal records.


I've been using the Electro Harmonix Metal Muff for about two years. While somewhat narrow in its ability, for getting a thick distortion sound it sounds really great. I would use this more for big rhythm playing rather than lead, but will work fine for both. It is hard to find a pedal that has as thick of a tone as this and the price is dirt cheap if you can get one used and quite reasonable new. If you are playing heavy metal or hard rock and need a pedal that will give you a tone for these types of genres, this pedal is worth a definite look.

nicotinedu44's review (This content has been automatically translated from French)" it's worth it! Especially now ..!"

Electro-Harmonix Metal Muff with Top Boost
Analog distortion pedal with a boost

Connectivity: A jack in a jack out, simplicity itself!

A footswitch to bypass the pedal
A footswitch to bypass the top boost

A volume knob
3 knob for the EQ (bass, mid, treble)
A knob for the top boost
A knob for distortion


There's no easier, anyway, the effect pedal in general, there's not to take the lead!

I do not even remember that there was a manual

Editing sounds is easy, EQ can really sculpt the sound.
The top boost is .. "Bonus" for me!


Realistic for a guitar distortion yes!

Use with Strat & a lag roxane (see my column gear)

I always managed to draw what I wanted, it is practical, robust.

The top boost is very showy past 10am, but is a real plus if you typed metal. At the time I had bought for it elsewhere, and rock with good headroom, I conquered. Today it serves me more of the masses, because I work a lot on the amp simulation, but occasionally I spring to my surprise I get to have a good crunch despite being very typical metal.


Used for 6/7ans, I had taken over all it offers namely, EQ, and more Top boost, I have not tried other models before.

Good value at the time the report, though now I look at Cygnus, and it is worth nothing.

I'm not sure I would do this choice today, but I do not regret it.

Recommended for those who want big sound! Good pedal casually, complete, which will delight the wild metalheads, rockers and pain sensations ^ ^

hg6990's review (This content has been automatically translated from French)

Electro-Harmonix Metal Muff with Top Boost
-This is a powerful enough distortion, typical big rock and metal.
-Analog technology.
-The six knobs and two switches are trs good quality and look trsrsistants.
-The hull when it is more millimtres mtal pais, no risk.
-There is an LED to show the activation of each switch.

I put 10 because I do not see how it could be better Designed ...


-There are 6 knobs:
* Volume
* Top Boost (I later prciserais What is this function)
* Treble
* Mid
* Bass
* Disto

The knobs are trs-sensitive, allowing a large variety of sounds but also warm enough ... rgler the top boost is particulirement INTERESTED: it "heats" the sound, he adds mdiums and gain, it makes your sound more "thick and dense and highlights more harmonics, makes you stand out from others when you play solo
That said, it is boring rgler trs: 0 3 trs is fine but the LED 5 is too sharp and loud: dsagrable damage ... .. .

I put 7 because of the boost function of wrong thinking and the extreme sensitivity of knobs makes it boring rgler.


A big-trs amount of gain, more than enough big nag like me (see my influences;) )
As I cit above the knobs are sensitive trs which offers a large variety of sounds:
While this is PDAL Tiquet METAL (with a questionable look, by the way) is much more versatile than it seems:
Given the heat of the TRS may well play rock, punk and it sounds extremely well Stoner (Kyuss style or Down)

Let her style prdilection: the metal
In a word this distortion is: fat, hot and dense ...
In fact, I t struck by the warmth of the vehicle, I test several of distortion pedals before metal: Metal Zone and Metal Core Boss, Ibanez Smash Box, diverse, and I behringer never had an affair distortion as hot before.

The grain is big and fat, as It is not necessary to push the knob to 12 for a disto disto style metalcore or thrash / death:
I leave the knob of distortion and half way enough to do, I lose the del in precision.

The rhythmic sound is standard and can without difficulty to attack the riffs metallica, lamb of god, or Chimaira.
For his solo against the grate is sometimes boring since the distortion is fat trs, which requires prcis to play (which really is not my case: p)

"I use the Metal Muff between my ibanez valbee (5 watt lamps) and my LTD Eclipse 500 (mahogany + EMG) and is your exact Dtonn!
-The sounds that I love?
Large metal rhythm sound: powerful, heavy, hot and aggressive.
sounds more rock, trs hot fat.

There is no sound that I dtest particulirement, only this lack of finesse in the solos and other ...

I put 8 for high quality and versatility of the pedals that has nanmoins of default (prcision.)

Edit June 2009

It's going to be ending for two years that I use and it fills me as always.
Dsormais I use the clean channel of a head Randall Hybrid (RH300G3 +), Whereas it has more grain and saturated dynamic channel of this amp and gives her a really gnial .

It has an excellent balance between grains and Saturation, a branch of Half Stack, the Muff is rvle Metall prcise and sharp as she is more fat on a bedroom amp.

I currently play in a group of Black Death Metal and I really sound that suits me perfectly, it gre both rhythmic passages that speeds mammoth always the grain and the diabolical power!

In my opinion, a big branch of all-tube head, your exact should MRIT 10/10


-I bought it there are 4 or 5 months in OCCAZ.
-I like the quality and versatility of the sound (no, sir I did not feel rpter me!)
-As I said above, I tried a few dj MODELS ago, and I sold a zoom G2 for it.
Perso-I got in OCCAZ 60 euros so the price is the foot, but it's worth 100 euros from any fawns.
-I would do that choice with more exprience? We'll see!
Edit June 2009
was going to make ending for two years that I use and I would do if this choice needs 1000 times!
Tiger foods10/23/2008

Tiger foods's review (This content has been automatically translated from French)

Electro-Harmonix Metal Muff with Top Boost
Blah, just a t say, but I think some big Casing for PDAL boards, and I do not like the switches that make noise. z'auraient have put the same as the Digitech whammy, but hey, the Casing is solid. Ah, they finally put a power transformer standard ...


Easy to use, solid CONTRL simple one pedals, whatever.


Not bad, its level, but I expected something more hot + is less strident than MT2 acute level, whatever that dpend of rglages. Use with my JS100 and IBZ RG 550 20th and Washburn N2, not bad, we get a big sound mtal, especially if you dig the mediums. The top boost is really hard when pushed to the first del quarter of the way, but it helps to keep some under the foot ....


Not bad, I dj with a good sound, although mtal, just a shame that we should dvisser the bottom if you want to put a stack and do nothing, I do not the switch that make noise, even if they are solid ..... for 90eur, ok, but I just see the promo 69euros, aaaaargh! but still a good deal, if you want to have a good range of sounds metal. I like him, and mt2, too, is more or less the kind of sound I want.

mdkratkid's review (This content has been automatically translated from French)

Electro-Harmonix Metal Muff with Top Boost
- Distortion pedal
- Analog technology, true bypass
- Settings: volume, boost, treble, medium, severe distortion
- 2 stompswitch: boost / bypass
- Supply standard

The pedal is very well equipped for this award. The level of finish is very good, the metal casing is sturdy, the knobs are very good.


- The use is simple and intuitive:
Volume: To adjust the output level of the pedal
Boost: Sets the boost level a snap
high / medium / low: 3-band EQ very effective
access to spin by two switches


- Sounds can range from a distortion to the big rock metal loadings. However, the pat on the registry more than neo vintage ... the grain of the pedal is really nice for a pedal of this price range
- I use this pedal on an Ibanez Dimarzio S470DX mounted on a Randall RG50 amp
- I love the sounds obtained and the grain is still very good even in the amount of gain. The EQ is incredibly effective!
- Well thought out and very useful, the boost can sometimes seem a bit garish ...


- I use for 1 year
- Characteristics for the award were a decisive advantage, the grain I also really enjoyed
- I tried Rocktron Metal Planet, Boss MT2-hearted ... in much higher price ranges, only the Guyatone metal monster is really better.
- Value for money is excellent
- I Refer this choice!