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Electro-Harmonix XO Micro Metal Muff

$68.70 Price Tier: Standard

4.0 (16)

2 Reviews

This product is Vintage or Discontinued

Newer option

Electro-Harmonix Nano Metal Muff

$55.00 - $84.40

4.5 (7)

Find out who is using Electro-Harmonix XO Micro Metal Muff

1 wishlisted

31 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated July 4, 2026.

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5.0 (8)

$68.70 2 available New

$53.74 10 available Used

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Average Price: $81

Standard/Professional

$80

$181+

Price Tier

In the Distortion Effects Pedals category, Electro-Harmonix XO Micro Metal Muff is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Standard

High-end

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Description

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Unleash the beast within your guitar with the Electro-Harmonix XO Micro Metal Muff Distortion Guitar Effects Pedal. Compact yet powerful, this pedal transforms your clean tone into the aggressive roar of a metal monster, all while maintaining musicality and clarity. With its intuitive three-knob layout, achieving your desired level of distortion is a breeze, allowing you to focus on shredding rather than tweaking. Whether you're laying down a heavy riff or soaring through a solo, the Micro Metal Muff delivers the high-octane distortion necessary to stand out. Plus, the addition of an optional Top Boost takes your tone into the stratosphere, adding an extra layer of sonic intensity. Don't let its size fool you; this pedal packs a punch worthy of any metal maestro's arsenal.

Key Features:

Top Boost feature for added sonic intensity
Three-knob layout for easy tone tweaking: Volume, Tone, and Distortion
Compact design, perfect for pedalboards with limited space
True bypass for preserving signal integrity when the pedal is disengaged
Rugged, road-worthy construction for reliability on and off stage

Product specs

Brand	Electro-Harmonix
Model	Micro Metal Muff Distortion with Top Boost
Finish	Black
Year	2008 - 2020
Categories	Distortion Pedals, Fuzz Pedals and Effects

FAQs

What type of distortion does the Electro-Harmonix Micro Metal Muff provide?: The Electro-Harmonix Micro Metal Muff delivers high-gain distortion perfect for metal and hard rock genres, offering aggressive and defined tones with a tight low-end response.
Does the Electro-Harmonix Micro Metal Muff have a top boost feature?: Yes, the Electro-Harmonix Micro Metal Muff includes a top boost switch that enhances the high frequencies, allowing for more cutting solos and pronounced riffs.
Is the Electro-Harmonix Micro Metal Muff suitable for live performances?: The Electro-Harmonix Micro Metal Muff is well-suited for live performances, thanks to its robust construction and ability to cut through a mix with its powerful distortion tones.
Can the Electro-Harmonix Micro Metal Muff be powered with a standard 9V power supply?: Yes, the Electro-Harmonix Micro Metal Muff can be powered using a standard 9V DC power supply, making it compatible with most pedalboards.
How does the Electro-Harmonix Micro Metal Muff differ from the full-size Metal Muff?: The Micro Metal Muff is a more compact version of the full-size Metal Muff, offering a streamlined set of controls while maintaining the same high-gain distortion capabilities, making it ideal for those with limited pedalboard space.

Videos

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EHX

Electro-Harmonix Micro Metal Muff Distortion with Top Boost (EHX Pedal Demo by Dave Weiner)

EHX

Гитарный эффект ELECTRO-HARMONIX MICRO METAL MUFF

PopMusicRu

Electro Harmonix Micro Metal Muff Distortion | Gear4music demo

Gear4music Guitars

Electro-Harmonix Micro Metal Muff Distortion Guitar Pedal Demo

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Reviews

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PROS

Compact size with nearly identical sound to the larger version
Exceptional sound quality, blooming distortion reminiscent of high-end amps
Highly versatile controls, including an effective top boost
Offers distinct crunch and tonal options beyond typical metal sounds
Provides extreme metal distortion without becoming muddy
Excellent for both chords and improvisational solos
One of the least expensive options with superior performance

CONS

Misleadingly named; doesn't offer the warm, round tone associated with Big Muff pedals
Boost switch considered somewhat useless by some users
May lack organic dynamics, producing a harsher sound
Top Boost can push highs to almost unmanageable levels
Durability concerns as some units have failed prematurely

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix XO Micro Metal Muff.

Comparisons

0 0

The Metal Muff is considered similar to the Boss MT-2, but lacks the parametric mids control, which some users find limiting.
Source

Features and functionality

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The top boost feature is perceived as shrill and impractical for most uses, with some preferring the noise gate on the Nano version.
Source

Mods and upgrades

0 0

Some owners consider modding the Metal Muff for a cleaner boost due to dissatisfaction with the existing boost's shrillness.
Source

Value and pricing

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The pedal is frequently cited as a top choice for high-gain distortion under $75, with used options as low as $40-$50.
Source

Use cases and applications

0 0

It's noted to be effective for palm mutes, tremolo picking, and pinch harmonics, making it suitable for metal genres.
Source

User experience

0 0

The pedal requires precise tweaking to avoid poor sound, similar to the Boss Metal Zone, but can achieve good tones with careful adjustments.
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4.0 out of 5

Based on 2 Reviews and 16 Ratings

5 star

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1 star

robcf

252

about 6 years ago

A muff without the fuzz

Calling this pedal a "muff" is misleading as this one has nothing to do with all the Big Muffs EHX is known for. It's not round or warm sounding at all. It's also not trying to emulate a tube-distortion. The Metal Muff delivers punishing distortion (say: "Metal Zone") with an tone-control that's basically scooping or boosting the mids to crazy levels as you turn the knob. The "Top Boost" is increasing the highs to almost uncontrolled levels, so better beware if you touch that switch. Maybe it's missing organic dynamics and seems more harsh, however it never ends up being muddy.

As much as this Metal Muff is all over the top, I still like it for being that way. If you're into making extreme metal like for example Anaal Nathrakh, this is the best pedal to go to.