Electro-Harmonix Big Muff Pi

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$83.00 to $101.60 Price Tier: Standard

4.5 (852)

119 Reviews

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Electro-Harmonix Big Muff Pi V3

$429.00

5.0 (2)

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Page last updated Jul 06, 2026

Pricing and availability

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4.5 (77)

$101.60

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4.5 (44)

$101.60

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4.6 (589)

$101.60

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5.0 (133)

$87.11 107 available New

$55.00 92 available Used

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4.0 (220)

$101.60

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5.0 (12)

$101.60

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$101.60

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4.5 (753)

$85.00 $83.00 $2.00 · All time low

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£89.00

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Average Price: $93

Standard/Professional

$60

$181+

Price Tier

In the Fuzz Effects Pedals category, Electro-Harmonix Big Muff Pi 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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High-end

Price History

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Description

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The Electro-Harmonix Big Muff Pi is more than just a guitar pedal, it's a piece of music history. This classic fuzz effects pedal has been the secret weapon of legends like Jimi Hendrix and Santana, as well as contemporary artists from Jack White to Muse. Its rich, creamy distortion and violin-like sustain have been shaping the sound of rock music for the better part of 30 years.

Just like the original '70s Big Muff Pi, this reissue features three intuitive controls—Volume, Tone, and Sustain—that let you dial in a wide range of distortion styles. Crank the Volume for a boost to cut through the mix, increase the Sustain for endless sustain and harmonics, and sweep the Tone from a warm, bassy purr to a sharp, trebly bite. With just a few tweaks, you can achieve the signature Big Muff Pi sound or forge your own.

Despite its roots in rock's golden age, the Big Muff Pi is not just a relic. It's a workhorse pedal built for today's players. Its compact, rugged enclosure can withstand the rigors of the road, and it can be powered with a 9V battery or any standard 9V DC power adapter.

Key Features:

Volume, Tone, and Sustain controls for a wide range of distortion styles
Rich, creamy distortion and violin-like sustain
Compact, rugged enclosure suitable for touring
Can be powered with a 9V battery or any standard 9V DC power adapter
Used by legendary and contemporary artists alike
Made in the USA

Owner's manual

Electro-Harmonix Big Muff Pi User Manual

Product specs

Pedal Type	Fuzz
Analog/Digital	Analog
Inputs	1 x 1/4"
Outputs	1 x 1/4"
Bypass Switching	True Bypass
EQ	Tone Control
Controls	Sustain, Volume
Power Source	9V DC power supply (sold separately)
Batteries	1 x 9V
Height	2.95"
Width	5.5"
Depth	6.875"
Weight	1.55 lbs.

FAQs

What kind of sound can I expect from the Electro-Harmonix Big Muff Pi?: The Electro-Harmonix Big Muff Pi delivers a classic fuzz tone characterized by its rich, creamy sustain and harmonic distortion, making it ideal for rock, alternative, and grunge music.
Does the Electro-Harmonix Big Muff Pi work well with both guitar and bass?: Yes, the Big Muff Pi is versatile and works well with both electric guitars and bass guitars, providing a thick, powerful fuzz sound for both instruments.
What type of power supply does the Electro-Harmonix Big Muff Pi require?: The Big Muff Pi requires a 9V DC power supply, which is sold separately, and can also be powered by a 9V battery.
Is the Electro-Harmonix Big Muff Pi suitable for beginners?: Yes, the Big Muff Pi is beginner-friendly due to its simple control layout with sustain, tone, and volume knobs, allowing easy adjustment of your fuzz sound.
Does the Electro-Harmonix Big Muff Pi have true bypass switching?: Yes, the Big Muff Pi features true bypass switching, ensuring your signal remains unaffected when the pedal is turned off.

Equipboard's Expert Review

Equipboard tested this

The Fuzz Legend Lives OnIconic tone, simple yet effective

In our tests, we found that the Electro-Harmonix Big Muff Pi lives up to its legendary status. This classic fuzz pedal has been a staple in countless pedalboards for decades, and it's easy to see why.

Upon unboxing, we were immediately struck by its iconic design and sturdy construction. The large enclosure may not be ideal for cramped pedalboards, but it certainly feels built to last. The simple three-knob layout is intuitive and inviting, allowing us to dial in our desired tone quickly.

We were impressed by the Big Muff's versatility across different genres. From searing lead tones to thick, woolly rhythm sounds, this pedal delivers the goods. The sustain is phenomenal, and the distortion control offers a wide range of fuzz textures. We particularly enjoyed how well it paired with both clean and dirty amp channels.

However, it's not without its quirks. In our experience, the Big Muff can sometimes sound a bit too bassy or muddy, especially in a band mix. We found ourselves wishing for more midrange presence to help cut through. Additionally, we noticed some noise issues when using certain power supplies, so it's worth experimenting to find the right setup.

For us, the Big Muff Pi remains a must-have for any guitarist seeking that classic "wall of sound" fuzz tone. It's perfect for players who prioritize raw, powerful sound over intricate tweakability. However, those with limited pedalboard space or those seeking a more modern, precise fuzz might want to look elsewhere. Nonetheless, at its price point, it's hard to beat the Big Muff's combination of iconic tone and rugged reliability.

Rated 5

Videos

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Reviews

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PROS

Iconic, unmistakable fuzz sound used by famous artists
Offers incredible sustain for solos
Versatile tone, from smooth distortion to intense fuzz
Can cut through the mix well, even in dense arrangements
Works well with various instruments, including synths
Durable and reliable, even with regular use
Provides a thick, creamy tone ideal for certain music genres
Relatively affordable for its category and capabilities
Easy to mod for those looking for a custom sound
Some models come with a built-in buffer, enhancing compatibility with wah pedals

CONS

Large size can take up significant pedalboard space
Can be noisy, especially with "dirty" power supplies
Some find it too bass-heavy, affecting clarity on lower strings
The lack of mid-range control can make it hard to cut through in live settings
Tone can be overly specific, not as versatile as other pedals
Enclosure's square corners and bulky design can be cumbersome
Circuit design sensitive, may not pair well with all amps
May require modifications for optimal performance with certain setups
AC adapter not standard, making power supply challenging

Owner Insights

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

Use cases and applications

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The Big Muff Pi is praised for its sustain and melodic lead tones but isn't ideal for fast rhythm in metal genres like Megadeth or Metallica.
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Overdrives can enhance the Big Muff's EQ control, helping to refine the pedal's fuzz-heavy output for different musical genres.
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For those interested in clear chord articulation, the Violet Ram’s Head variant is suggested for its aggressive and clearer sound profile.
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Comparisons

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For achieving thrash metal tones on a budget, consider the Joyo "Pocket Metal," designed for a sharp, tight sound akin to "Rust in Peace."
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The Boss DS-2 is noted for having excessive fuzz for metal, whereas the DS-1 combined with an EQ provides better results.
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The OpAmp Nano Muff offers a more modern, scooped, and saturated sound compared to the standard Nano, which could appeal to those seeking a contemporary Muff tone.
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The Ram's Head is frequently recommended for achieving a Gilmour-like tone, while the Russian variant is noted for its uniquely bass-heavy, smooth sound.
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Features and functionality

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The Big Muff tends to get "flumpy" with speed picking, requiring careful manipulation of its sound settings.
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The Nano version tends to sound boxier with less top-end than the USA big box, making it less vibrant for some users.
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The Sovtek Deluxe Big Muff Pi includes a midrange footswitch, critical for enhancing mids that can be lacking in typical Muff pedals.
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The Way Huge Swollen Pickle Fuzz MkII, inspired by the Green Russian Muff, offers five external knobs and two hidden mini knobs for precise tonal control.
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Build quality

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The original Big Muff Pi's circuit occupies a small space in its large enclosure, allowing for a much more compact design in the Nano version.
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Setup and maintenance

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Older big-box Muffs require a 3.5mm adapter for power, but newer models come with a standard Boss power jack, simplifying integration into modern pedalboards.
Source

User experience

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Some users keep the USA big box for its aesthetic appeal despite preferring the Nano for pedalboard real estate, indicating a balance between functionality and nostalgia.
Source

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4.5 out of 5

Based on 119 Reviews and 852 Ratings

5 star

4 star

3 star

2 star

1 star

jeremy_crockett

7010

7 months ago

It's the EHX Big Muff Pi - What Kind of Headline Would You Expect?

If you are looking at one of these, you already know what it is. You understand what it does.

Go buy the thing!

Roles:

Bassist

Genres:

Rock Blues Jazz

From Gear Setup

drw72

188

10 months ago

Great Tone

Very crisp and sharp fuzz tone, perfect for scales all over the fret board.

Roles:

Bassist Audio Engineer

Genres:

Rock Metal shred

From Gear Setup

sandy_ridge

922

about 1 year ago

Classic fuzz sound

Awesome pedal with a classic smooth fuzz sound. My favourite. Only downside is the classic NYC version takes up a lot of real estate but they make smaller ones.

Roles:

Singer Guitarist Bassist

Genres:

Rock Folk, World, & Country Blues

From Gear Setup

rfkz

115

over 2 years ago

Nothing quite like it!

This is one of my favorite pedals and for good reason, this is the thickest mix cutting pedal I have heard. As someone who grew up listening to Smashing Pumpkins I always strived for that sound and when I found the Big Muff I couldn't go back. I use this in my recordings usually for when I need a thick wall of noise or a screaming guitar lead/solo. This thing is HARD to control but I love it for that, it has a niche but it fills it the best way possible I feel. Worth the money go get it!

Roles:

Singer Guitarist Music Producer

Genres:

Electronic Rock Electronica

simonvogtgrande

194

11 months ago

greatest fuzz pedal ever

once you’ve felt the big muff’s peal, there’s no going back. it doesn’t just shape your sound – it becomes part of it xx

Roles:

Singer Guitarist Music Producer

Genres:

Rock Pop Blues

vellvious

131

about 1 year ago

Pretty great fuzz pedal

The pedal can be used to get a very nice standard bass/guitar fuzz tone!

Preferred Settings + Usage:

I like to have my tone at full, volume at half, and sustain at about 3/4

Roles:

Guitarist Bassist

Genres:

Rock Metal Alternative metal

barrau

145

over 4 years ago

classic, built like a tank

is that sound, everyone knows, the big muff, that ol´ mid scooped fuzz sound.

practically impossibe to break, a good pedal, does it well on so many genres, huge fuzz.

but being honest, the size dont make sense anymore, the circuit board is a half of the size of the box, not so practical for pedalboards and gigging (plus it is hard to have it cutting in the mix due to the lack of mids).

that was my first pedal but im getting rid of it because i dont like the lack of mids for live sound and the impossibility to generate it with the tone or sustain knob. plus it can get very fizzy if you crank some knobs. and i need more sonic destruction.

i love the pedal, probably muff styled fuzz´s are my favorite pedal ever, but they need mods to make it work.

Preferred Settings + Usage:

pretty low sustain and dark tone (about 10). for getting that doomy cracked up shoegaze sound. always neck pickup

Roles:

Singer Guitarist Composer

Genres:

Emo Post-rock Shoegazing

artifex_adrift

903

4 years ago over 4 years ago

Same for me on the 'sustain' setting, I keep mine dialed in pretty low as well. I wanted a "real fuzz" sound so I dumped the tone down pretty low, turned the 'volume' up, and run it through an Orange OR15 with a fair amount of gain dialed in. The sound is pretty much what I was looking for, and surprisingly it still plays really reactive and fast on the higher strings, but gives me that nice fuzzy, smooth sound on the lower strings. Especially with the neck pickup of a guitar engaged. Classic pedal, sustain for days.

notmine2009

147

about 1 year ago

Just perfect

It doesn’t have a volume drop like a lot of fuzz pedals and it sounds really bug

Roles:

Singer Guitarist Composer

Genres:

Rock Pop Alternative rock

From Gear Setup

jardineroinefable

108

about 3 years ago

Classic and fantastic

The basic NYC big muff its great because its original sounds can still sound incredible on todays music. I would recommend that every musician (and person if you ask me twice) try one out as it can be used on almost anything. Especially if you want to try new sounds in your productions, drums bus distortion is a must. There are thousands of muffs but the og is still one of the greatest

Preferred Settings + Usage:

Tone low its the stoner express

Roles:

Guitarist Bassist Keyboardist

Genres:

Electronic Alternative rock Progressive rock

chrisdesign

4923

over 1 year ago

Good?

At the time I expected magic in a box. Instead I didn’t appreciate this needs to go through a full amp rig and be played loud. I regret selling my original, but that’s life

Roles:

Guitarist Bassist

Genres:

Rock Metal