Electro-Harmonix Metal Muff with Top BoostFrom real comments

Verdict distilled from 31 mentions across 10 aspects in comments under product review videos.

Positive sentiment73%
PROS 73%
CONS 27%

Rank based on 31 mentions across 10 aspects

View the verdict as

Buy this if...

  • You want a thick, mid-forward distortion built specifically for metal and thrash tones
  • You're willing to spend time tweaking a very sensitive 3-band EQ to find your sound
  • You want an affordable alternative to pricier high-gain pedals like the Uber Metal or Boss Metalcore

What users love

Skip this if...

  • You expect the top boost feature to be essential rather than a niche preamp-into-power-amp tool
  • You need a low-noise pedal when pushing gain past 12 o'clock
  • You want strong low-end retention without losing bottom end

What users complain about

Compare in seconds

Based on user comments

Best choice
1Mid
Mad Professor Fire Red Fuzz
Articulate soundGreat with extended-range guitarsStrong overall tone qualityPrice concerns
Mad Professor Fire Red Fuzz
Articulate sound
Great with extended-range guitars
Strong overall tone quality
Price concerns
2Premium
Mad Professor Deep Blue Delay
Musical analog toneLong-term reliability and board loyaltySimple, intuitive controlsHigh price pointCheaper alternatives seen as comparableDistortion at high settings
Mad Professor Deep Blue Delay
Musical analog tone
Long-term reliability and board loyalty
Simple, intuitive controls
High price point
Cheaper alternatives seen as comparable
Distortion at high settings
3Premium
Mad Professor Sweet Honey Overdrive
Touch-sensitive dynamicsLong-term favorite / durability of appealSweet, low-gain tone qualityHigh price versus clonesDeluxe loses some original characterLimited mid control
Mad Professor Sweet Honey Overdrive
Touch-sensitive dynamics
Long-term favorite / durability of appeal
Sweet, low-gain tone quality
High price versus clones
Deluxe loses some original character
Limited mid control
Best value
4Mid
MXR Super Badass Distortion
Exceptional versatilityNatural, amp-like tonePowerful 3-band EQDemo videos undersell the pedalNoticeable noise floorVolume drop when engaged
MXR Super Badass Distortion
Exceptional versatility
Natural, amp-like tone
Powerful 3-band EQ
Demo videos undersell the pedal
Noticeable noise floor
Volume drop when engaged
5Premium
Eventide Orville
Exceptional reverb qualityHigh-quality warm pitch shiftingStrong aspirational appealHigh priceCheaper alternatives may sufficeEffect can feel like it plays for you
Eventide Orville
Exceptional reverb quality
High-quality warm pitch shifting
Strong aspirational appeal
High price
Cheaper alternatives may suffice
Effect can feel like it plays for you
6Premium
Origin Effects Deluxe61
Authentic amp-like toneExcellent low-to-mid gain driveUnderrated favorite among ownersHigh price pointLimited gain-staging flexibilityNo built-in reverb
Origin Effects Deluxe61
Authentic amp-like tone
Excellent low-to-mid gain drive
Underrated favorite among owners
High price point
Limited gain-staging flexibility
No built-in reverb
7Premium
Roland TR-808
Iconic, powerful kick drumWarmer, more alive analog characterCultural and historical influenceExtremely high collector priceAnalog noise and static requiring EQReliability concerns of aging hardware
Roland TR-808
Iconic, powerful kick drum
Warmer, more alive analog character
Cultural and historical influence
Extremely high collector price
Analog noise and static requiring EQ
Reliability concerns of aging hardware
8Premium
Moog Subsequent 37
Inspiring and addictive to playWarm, fat analog toneStrong DAW/VST editor integrationHigh price for what it offersLimited versatility outside bass rangeNeeds effects/partner gear to shine
Moog Subsequent 37
Inspiring and addictive to play
Warm, fat analog tone
Strong DAW/VST editor integration
High price for what it offers
Limited versatility outside bass range
Needs effects/partner gear to shine
9
Wampler Tumnus V2
Klon Centaur-style toneConvincing demo influenced purchaseExcellent clean boostNot suited for metal tones
Wampler Tumnus V2
Klon Centaur-style tone
Convincing demo influenced purchase
Excellent clean boost
Not suited for metal tones
10Mid
Wampler Paisley Drive
Transparent toneVersatile across genresWorks well across many guitar typesTwo-channel routing complexityDry signal bleed-throughInconsistent demo impressions
Wampler Paisley Drive
Transparent tone
Versatile across genres
Works well across many guitar types
Two-channel routing complexity
Dry signal bleed-through
Inconsistent demo impressions
You are here
31Mid
Electro-Harmonix Metal Muff with Top Boost
Thick, crushing metal distortionWorks well with various ampsHighly tweakable 3-band EQHard to dial in, inconsistent results in demosTop boost feature is divisiveDistortion knob has diminishing returns at high settings
Electro-Harmonix Metal Muff with Top Boost
Thick, crushing metal distortion
Works well with various amps
Highly tweakable 3-band EQ
Hard to dial in, inconsistent results in demos
Top boost feature is divisive
Distortion knob has diminishing returns at high settings

Who wins on what

Ranked by what users actually praise

Overall Impression

Owners love the raw, crushing metal distortion this pedal delivers. Multiple commenters call the Metal Muff their favorite distortion pedal, describing it as crushing, awesome, and capable of ripping tones with tons of sustaining harmonics. It's been used successfully with humbucker-loaded guitars, tube heads, Marshall stacks, and even small practice amps, consistently earning praise as one of the best dedicated metal distortion options available, especially compared to rivals like the Line 6 Uber Metal or Digitech Death Metal pedal.

The onboard EQ is powerful but extremely sensitive and takes practice to tame. Several users note the three-band EQ is 'massively sensitive,' letting players scoop mids for a chainsaw-style cut or boost mids to cut through a band mix, which one commenter called very important live. However, this sensitivity also means bad demos and settings can make it sound muddy or fizzy, and multiple owners say it took real trial and error, including backing off treble, to land a usable tone.

The Top Boost function and gain staging draw the most mixed reactions. Some owners call the top boost pointless or unusable, while another explains it's intended for driving a muddy power amp or IR as a preamp rather than standalone use. Separately, users report gain becomes noisy once pushed past 12 o'clock, and one warns of losing bottom end compared to the standard Metal Muff, suggesting blending a clean signal or running two amps for fuller low end.

Outdated / Not-accurate data?