Electro Harmonix Metal Muff, (Used)

The Electro-Harmonix Metal Muff is a high-gain distortion pedal built for players who want aggressive metal rhythm tones, cutting lead sounds and detailed EQ control in a rugged stompbox format. With dedicated Volume, Distortion, Bass, Mid and Treble controls, plus the well-known Top Boost section on the full-size model, the Metal Muff is a strong used choice for guitarists playing metal, hard rock, punk, alternative, grunge and heavier modern styles. Electro-Harmonix describes the Metal Muff with Top Boost as using three powerful EQ bands and a footswitchable Top Boost for added bite on lead parts.

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At A Glance

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Condition Overview

Used Condition – This pedal is pre-owned.

A specific cosmetic condition grade has not been supplied, so this listing does not assign a Fair Deal Music condition grade. The pedal should be assessed and described accurately before publishing if visible wear, marks or operational notes need to be added.

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What’s Included?

✔ Electro-Harmonix Metal Muff Pedal

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Condition Notes

No specific cosmetic marks, faults, modifications or operational issues have been supplied.

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Fair Deal Inspection & Assessment

Before leaving Fair Deal Music, this used pedal will be checked to ensure it is ready for its next owner. Our assessment includes:

• Input checked
• Output checked
• Footswitch tested
• Controls tested
• Bypass checked
• Power operation checked
• General functionality assessed

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Service / Testing Work

This used Electro-Harmonix Metal Muff will be tested as part of our pre-owned pedal process. The switching, control response, signal path and power operation are checked so the pedal can be used with confidence in a practice setup, pedalboard, recording rig or live environment.

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Why Choose The Electro-Harmonix Metal Muff?

Aggressive High-Gain Distortion

The Metal Muff is designed for players who want thick, saturated distortion with enough gain for heavier music. It can deliver tight rhythm crunch, compressed sustain, aggressive palm-muted riffs and cutting lead sounds, making it a strong option for metal and hard rock players who need more gain than a standard overdrive.

Powerful 3-Band EQ

One of the Metal Muff’s biggest strengths is its active-style EQ layout. The Bass, Mid and Treble controls give you more shaping power than a basic tone knob, helping you dial the pedal for different guitars, amps and playing styles. Electro-Harmonix highlights the pedal’s three-band EQ and midrange control as key parts of its tone-shaping design.

Use the mid control to scoop the sound for modern metal rhythm tones, push the mids forward for leads, or balance the pedal so it cuts clearly through a band mix.

Top Boost For Lead Bite

The full-size Metal Muff includes a dedicated Top Boost section with its own control and footswitch. This gives you an extra layer of upper-frequency bite that can help solos stand out or add sharpness to more aggressive rhythm sounds. EHX describes the Top Boost as a separate footswitchable feature designed to add serious bite for searing leads.

Simple, Direct Pedalboard Operation

Despite its heavy sound, the Metal Muff is easy to use. There are no menus, presets or app controls. You simply set the gain, shape the EQ, adjust the output volume and engage the boost when needed. That makes it practical for rehearsal rooms, live use and players who prefer immediate control.

Strong Value As A Used Pedal

As a used pedal, the Metal Muff can be a great way to add a serious high-gain distortion voice to your board without paying new-pedal prices. It is especially appealing for players who want a dedicated heavy sound for certain songs rather than relying entirely on amp gain.

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Comparison Against Popular Alternatives

Electro-Harmonix Metal Muff vs Boss MT-2 Metal Zone

The Boss MT-2 Metal Zone is famous for its extreme gain and highly flexible EQ, including more detailed mid-frequency shaping. The Metal Muff feels more straightforward, with a simpler control layout and a dedicated Top Boost section on the full-size model.

Choose the Metal Muff if you want a direct high-gain distortion with simple EQ control and switchable lead bite. Choose the MT-2 if you want deeper EQ adjustment and more radical tone shaping.

Electro-Harmonix Metal Muff vs ProCo RAT

The ProCo RAT is a classic distortion with a rawer, more mid-forward character that can move from overdrive to fuzz-like saturation. The Metal Muff is more specifically voiced for heavier, tighter metal distortion and gives you more EQ control.

Choose the Metal Muff for heavier gain and more sculpted metal tones. Choose the RAT for gritty rock, punk, alternative and more vintage-style distortion textures.

Electro-Harmonix Metal Muff vs MXR Fullbore Metal

The MXR Fullbore Metal is an intense modern metal pedal with very aggressive gain and built-in noise gate features. The Metal Muff offers a slightly more traditional high-gain pedal experience with straightforward controls and the added Top Boost option.

Choose the Metal Muff if you want powerful distortion without overcomplicating the setup. Choose the Fullbore Metal if you want a more extreme modern metal pedal with built-in gating.

Electro-Harmonix Metal Muff vs Electro-Harmonix Nano Metal Muff

The Nano Metal Muff is smaller and includes a noise gate, while the full-size Metal Muff with Top Boost gives you the larger control layout and the dedicated Top Boost feature. The Nano version is better for compact pedalboards, while the full-size Metal Muff is ideal if you want the classic bigger-format version and separate boost switching.

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Who Is It For?

Beginner Players

A good choice for newer electric guitarists who want instant heavy tones without needing a high-gain amplifier. The controls are straightforward, and the EQ section makes it easy to hear how bass, mids and treble affect distortion tone.

Intermediate Players

Ideal for players building a pedalboard for metal, hard rock or alternative music. It gives enough tone-shaping flexibility to work with different amps and guitars, while remaining simple to operate.

Professional Players

A useful option for gigging and recording players who need a compact, dedicated high-gain sound for specific tracks, heavier sections or lead boost moments.

Suitable Genres And Uses

• Metal
• Hard rock
• Punk
• Alternative rock
• Grunge
• Industrial rock
• Lead guitar
• Heavy rhythm playing
• Drop-tuned riffs
• Home recording
• Live pedalboards
• Practice setups

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Why Choose A High-Gain Distortion Pedal?

A high-gain distortion pedal is ideal when you want heavier tones from a clean or mildly driven amplifier. Instead of depending entirely on amp distortion, a pedal like the Electro-Harmonix Metal Muff gives you a dedicated heavy channel that can be switched on instantly.

This is useful for players using pedal platforms, practice amps, backline amps or multi-genre live setups where one song may need clean tones and the next needs saturated rhythm gain. The added EQ control also helps you adapt the pedal to different guitars and amps.

Looking for advice on choosing the right distortion pedal? Our experienced team of musicians can help by phone, online or in-store.

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Story & Context

Electro-Harmonix has a long history of producing bold, characterful effects pedals, and the Metal Muff sits on the heavier side of the EHX range. While the Big Muff name is strongly associated with fuzz and sustain, the Metal Muff is aimed more directly at high-gain distortion players who need a tighter, more aggressive sound with detailed EQ control.

The full-size Metal Muff with Top Boost became popular because it gave players a dedicated heavy distortion voice, flexible three-band EQ and a separate boost function in a rugged EHX enclosure.

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Technical Specifications

Specifications are based on official Electro-Harmonix Metal Muff product information.

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Power Requirements

The Electro-Harmonix Metal Muff can run from a 9V battery or an optional 9.6V DC Electro-Harmonix power adaptor. Electro-Harmonix lists the optional 96DC-200BI power supply for this model.

Use a suitable regulated pedal power supply with the correct polarity and voltage for Electro-Harmonix pedals.

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Fair Deal Music Verdict

★★★★★ 5/5

The Electro-Harmonix Metal Muff is a strong used choice for players who want a dedicated high-gain distortion pedal with plenty of tone-shaping control. Its standout feature is the combination of heavy saturation, three-band EQ and switchable Top Boost, making it especially useful for metal rhythm playing and lead sounds that need extra bite. For guitarists who want an affordable, aggressive and practical distortion pedal, this used Metal Muff offers excellent value.

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Why Buy From Fair Deal Music?

Choosing Fair Deal Music means buying from a passionate team of musicians who genuinely understand the products we sell. Whether you're purchasing your first instrument, upgrading your current setup or searching for something special, we're here to help you make the right choice with friendly advice and expert support.

When you shop with Fair Deal Music, you can buy with confidence thanks to:

Expert advice from knowledgeable musicians
Carefully checked new, used, pre-owned and ex-display equipment
Competitive prices on leading music brands
Secure UK-wide delivery
Flexible finance options available (subject to status)
Friendly support before and after your purchase
A trusted independent UK music retailer with decades of experience

Trade In. Trade Up. Save More.

Thinking about upgrading? Your next piece of gear could cost less than you think.

We're always happy to consider part exchanges and trade-ins on a wide range of musical instruments and equipment. Whether you're looking to upgrade your guitar, keyboard, amplifier, drum kit or studio gear, your existing equipment could help reduce the cost of your next purchase.

Simply get in touch with our team for a no-obligation valuation, and we'll be happy to discuss the options available.

It's an easy way to unlock the value of the gear you no longer use while making your next instrument even more affordable.

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FAQ

Is the Electro-Harmonix Metal Muff good for metal?

Yes. The Metal Muff is designed for high-gain distortion and is well suited to metal rhythm parts, heavy riffs, lead sounds and aggressive modern guitar tones.

Can the Metal Muff be used for hard rock as well as metal?

Yes. Reducing the distortion control and adjusting the midrange can make it useful for hard rock, punk, grunge and alternative styles as well as heavier metal tones.

What does the Top Boost do?

The Top Boost adds extra high-frequency bite and presence. It is useful for solos, lead lines or moments where you want the guitar to cut through more clearly.

Is the Metal Muff easy to use?

Yes. It has a straightforward control layout with volume, gain, three-band EQ and Top Boost. This makes it easier to dial in than many more complex high-gain pedals.

Where should the Metal Muff go in a pedal chain?

It is normally placed with other gain pedals, usually after a tuner and before modulation, delay and reverb. Some players may prefer it before or after an overdrive depending on whether they want extra push or a tighter sound.

Can I use the Metal Muff with a clean amp?

Yes. It works well into a clean amp or pedal-platform setup because it provides its own high-gain distortion sound.

Is it suitable for recording?

Yes. The three-band EQ makes it useful for home recording because you can shape the distortion to sit better in a mix, especially by adjusting the midrange and treble.

Is this a good value used pedal?

Yes. Used high-gain pedals can be a cost-effective way to expand a pedalboard, and the Metal Muff is especially appealing if you want heavy distortion, strong EQ control and a dedicated lead boost in one unit.