The Electro-Harmonix Micro Metal Muff TOP Boost is an Electro-Harmonix boost pedal, currently around $68.70. Close alternatives include the Ibanez Tube Screamer and the REVV G4 Distortion. It pairs well with the Swart Space Tone Atomic Jr. Two-Tone and the Vox MV50-CE Rock.

Electro-Harmonix Micro Metal Muff TOP Boost

Electro-Harmonix · pedal

The Electro-Harmonix Micro Metal Muff with Top Boost is a compact high-gain metal distortion pedal from EHX, building on the Metal Muff circuit with the addition of a Top Boost switch that adds a clean gain-boosted signal blend above the distorted output for enhanced upper-frequency clarity and presence. The Micro Metal Muff delivers extreme saturation suited to heavy metal and modern rock rhythm playing, with a three-band EQ and a Scoop switch for the standard modern metal scooped frequency curve. The Top Boost addition addresses the common issue of metal distortion losing clarity at high gain by adding a clean presence layer.

  • metal
  • high gain
  • distortion
  • clarity
  • boost
  • presence
  • muff
  • eq
$68.70View on Reverb

Price updated Aug 27, 2026

Genres the Electro-Harmonix Micro Metal Muff TOP Boost is commonly used in

  • Metal
  • Rock
  • Hard Rock
    citedInferred from shared tonal signals, not a stated genre tag.
  • Heavy Metal
    citedInferred from shared tonal signals, not a stated genre tag.
  • Alternative
    citedInferred from shared tonal signals, not a stated genre tag.
  • Death Metal
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Electro-Harmonix Micro Metal Muff TOP Boost

Swart Space Tone Atomic Jr. Two-Tone

Swart

38% match

The Micro Metal Muff's high-gain, boosted distortion pushes hard against the Space Tone's lush, boutique breakup.

Vox MV50-CE Rock

Vox

37% match
$134.20via Reverb

The MV50's tight, direct-recording crunch gives the Micro Metal Muff's clear, high-gain metal boost a focused amp voice to push into.

Vox Mini Go 50 (VMG-50)

Vox

36% match
$262.14via Reverb

The Go 50's rich, simple practice voice gives the Micro Metal Muff's clear, high-gain metal boost a portable amp voice to push into.

Vox AC15CH Custom 15W Head

Vox

35% match

The Micro Metal Muff's high-gain, boosted distortion pushes the AC15's sweet, shimmering breakup into heavier territory.

Marshall JTM45 45W Tube Guitar Amp Head

amplifier

35% match

Into the JTM45's sweet, classic Marshall breakup, the Micro Metal Muff's scooped boost pushes extra gain without smothering that vintage warmth.

Matchless Lightning Reverb

Matchless

32% match

The Lightning's chiming, touch-sensitive breakup gives the Micro Metal Muff's clear, high-gain metal boost a genuinely responsive amp voice to push into.

Vox Clubman 60

Vox

30% match
$343.73via Reverb

Electro-Harmonix Micro Metal Muff TOP Boost layers high gain onto an already mid-forward signal

Morgan MVP23 Combo

Morgan

30% match
$1899via Reverb

Into Morgan MVP23 Combo, Electro-Harmonix Micro Metal Muff TOP Boost is right at home: it's built around Vox-style amps

See all 46 amps that pair with the Electro-Harmonix Micro Metal Muff TOP Boost →

Pedals that stack with the Electro-Harmonix Micro Metal Muff TOP Boost

Ibanez Tube Screamer

Ibanez

36% match

Push the Micro Metal Muff's clear, high-gain metal boost with the Screamer's own mid-forward boost and the two compound into real weight.

Electro-Harmonix "Ram's Head" Big Muff Pi V2

pedal

32% match
$2044.15via Reverb

Stack the Micro Metal Muff's scooped, high-gain boost after the Ram's Head for extra presence cutting through that thick fuzz.

Maestro Orbit

Maestro

24% match
$59via Reverb

Run the Orbit's bold, vocal phase sweep after the Micro Metal Muff's scooped, high-gain boost so the modulation rides clearly on that saturated tone.

Xotic SP Compressor

Xotic

20% match
$147via Reverb

Run the SP Compressor's transparent, harmonic-rich compression ahead of the Micro Metal Muff so its scooped high-gain boost kicks in from an already-even signal.

Boss RE-202 Space Echo

Boss

16% match
$247.37via Reverb

Put the RE-202's echo after the Metal Muff's scooped, high-gain boost, so the repeats trail the saturation instead of smearing it. — goes in the amp's FX loop (or last, into a clean amp)

Catalinbread Epoch-Set

Catalinbread

14% match
$226.26via Reverb

Push the Micro Metal Muff's clear, high-gain metal boost into the Epoch-Set's warm, lower-mid tape echo and the repeats trail off real saturation. — goes in the amp's FX loop (or last, into a clean amp)

Ibanez TS808 Tube Screamer

Ibanez

tonal match

Ibanez TS808 Tube Screamer is voiced for a clean amp's front end — Electro-Harmonix Micro Metal Muff TOP Boost gives it exactly that

Behringer TO800 Vintage Tube Overdrive

Behringer

tonal match
$24.74via Reverb

Behringer TO800 Vintage Tube Overdrive is voiced for a clean amp's front end — Electro-Harmonix Micro Metal Muff TOP Boost gives it exactly that

Cheaper alternatives

Behringer UM300 Heavy Metal Distortion

Behringer

72% similarity
$28.90via Reverb

Shared character: high_gain_settings, presence, distortion

Behringer OD300 Overdrive Distortion

Behringer

70% similarity
$59.95via Reverb

Shared character: full, high_gain_settings, distortion

Fender Hammertone Metal

Fender

95% similarity
$49.99via Reverb

similar tone character

Caline CP-15

Caline

94% similarity
$32via Reverb

similar tone character

Boutique & premium upgrades

Revv Amplification Mauler

Revv

74% similarity
$249via Reverb

Shared character: high_gain_settings, distortion, clarity

Tone City Holy Aura

Tone City

74% similarity
$114.89via Reverb

Shared character: full, boost, presence

MXR Fullbore Metal

MXR

74% similarity
$89.99via Reverb

Shared character: high_gain_settings, distortion, metal

Electro-Harmonix Pocket Metal Muff

Electro-Harmonix

73% similarity
$121.66via Reverb

“Players who need the full-sized version controls and features including the Top Boost option of the Micro Metal Muff should consider that model instead”

ToneConcepts Distillery 'The Luke'

Toneconcepts

71% similarity
$225via Reverb

Shared character: presence, clarity, boost

Black Arts Toneworks Tres Diablos Ruidosos Black Arts Toneworks

Black Arts Toneworks

70% similarity
$129via Reverb

Shared character: full, boost, high_gain_settings

Similar charactersee all similar tone character →

Ibanez Tube Screamer

Ibanez

72% similarity

Shared character: presence, high_gain_settings, distortion

REVV G4 Distortion

Revv

72% similarity

Shared character: high_gain_settings, distortion, clarity

Dunlop MXR M94SE Super Badass Distortion

Dunlop

71% similarity

Shared character: high_gain_settings, distortion, metal

Canvas Analog Devices The Raven Distortion

Canvas Analog Devices

71% similarity
$84.99via Reverb

Shared character: presence, high_gain_settings, distortion

Aria Lil' RAT Distortion

Aria

70% similarity

Shared character: distortion, metal, boost

Boss MT-2w

Boss

70% similarity

Shared character: high_gain_settings, clarity, metal

See all alternatives to the Electro-Harmonix Micro Metal Muff TOP Boost (cheaper + boutique) →

Questions people ask

What are good alternatives to the Electro-Harmonix Micro Metal Muff TOP Boost?+

The closest matches in character are the Ibanez Tube Screamer, the REVV G4 Distortion, the Dunlop MXR M94SE Super Badass Distortion. Budget picks: Behringer UM300 Heavy Metal Distortion, Behringer OD300 Overdrive Distortion, Fender Hammertone Metal. Boutique upgrades: Revv Amplification Mauler, Tone City Holy Aura, MXR Fullbore Metal.

What pairs well with the Electro-Harmonix Micro Metal Muff TOP Boost?+

Strong matches from rig and tone-complementarity evidence: Swart Space Tone Atomic Jr. Two-Tone, Vox MV50-CE Rock, Vox Mini Go 50 (VMG-50) — The Micro Metal Muff's high-gain, boosted distortion pushes hard against the Space Tone's lush, boutique breakup..

How much does the Electro-Harmonix Micro Metal Muff TOP Boost cost?+

Around $68.70 (live listing price, updated Aug 27, 2026).

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