Pricing and availability
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Average Price: $89
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$70
$201+
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Price History
Based on price data from 7 merchants for "Electro-Harmonix Bass Big Muff Pi Fuzz". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Electro-Harmonix Bass Big Muff Pi: A progeny born with the drive of the classic Big Muff Pi and specially tailored for bass, this pedal is a legend reborn. It captures the iconic fuzz of the Big Muff Pi, optimized with a beefy bottom end that cuts through any mix. It's a perfect blend of the '70s Electro-Harmonix Big Muff Pi and the Sovtek Big Muff Pi, both coveted for their signature fuzz. But this pedal takes it up a notch with its bass-focused design, a blessing for bassists vying for the Big Muff sound. The Bass Big Muff Pi not only works wonders with bass but also shines with baritone guitars, keyboards, and other instruments. It's built to last, ready to rock and roll, and surprisingly adaptable to the road.
Key Features:
- Volume, Tone, and Sustain knobs for precise control over the fuzz effect
- Dual output for flexible signal routing: a standard Effect Out for the distorted signal and a Dry Out for a clean, unadulterated signal
- Bass Boost/Dry toggle switch for an added low-frequency punch
- Thick, rich fuzz tones optimized for bass
- Rugged, road-ready construction with a tough die-cast chassis
- True bypass to maintain the integrity of your tone when the pedal is disengaged
- Compatible with a 9V battery or optional EHX power supply
Owner's manual
Electro-Harmonix Bass Big Muff Pi Fuzz User ManualProduct specs
| Pedal Type | Bass Fuzz |
| Analog/Digital | Analog |
| Inputs | 1 x 1/4" (Instrument) |
| Outputs | 2 x 1/4" (dry out, effect out) |
| Bypass Switching | True Bypass |
| EQ | Tone Control, 3-way boost switch |
| Controls | Sustain, Volume |
| Power Source | 9V DC power supply (sold separately) |
| Batteries | 1 x 9V |
| Height | 2.25" |
| Width | 4" |
| Depth | 4.75" |
| Weight | 1 lbs. |
FAQs
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Is the Electro-Harmonix Bass Big Muff Pi Fuzz suitable for live performances?
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Yes, the Electro-Harmonix Bass Big Muff Pi Fuzz is designed for live performances with its durable build and true bypass switching, ensuring your tone remains intact when the pedal is off.
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How does the Electro-Harmonix Bass Big Muff Pi Fuzz affect my bass tone?
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The Bass Big Muff Pi Fuzz provides a smooth, saturated fuzz sound with a tone control and a 3-way boost switch, allowing you to shape your bass tone for various styles.
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Can the Electro-Harmonix Bass Big Muff Pi Fuzz be powered by a 9V power supply?
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Yes, the pedal can be powered by a 9V DC power supply, which is sold separately, or by a 9V battery for convenience.
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Does the Electro-Harmonix Bass Big Muff Pi Fuzz have multiple output options?
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Yes, it features two 1/4" outputs: a dry out and an effect out, providing flexibility in routing your signal.
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Is the Electro-Harmonix Bass Big Muff Pi Fuzz an analog pedal?
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Yes, the Bass Big Muff Pi Fuzz is an analog pedal, known for its warm and natural sound characteristics.
Videos
EHX
Electro-Harmonix Bass Big Muff Pi Fuzz / Distortion / Sustainer Pedal (Demo by Jack Conte)
Reviews
PROS
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Wide range of tones, from light fuzz to heavy distortion
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Durable die-cast metal construction
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Three EQ settings (Bass Boost, Normal, Dry) for tonal versatility
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Maintains low-end presence, even with heavy fuzz
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Good for both live performances and studio recording
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Dual outputs for effect and dry signal blending
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Simple controls make it easy to dial in desired sound
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Attractive and distinctive pedal design
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Affordable price point for its features
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Works well with bass and guitar
CONS
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Takes time to find the desired sound due to its versatility
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Some users find the bass boost too dark or muddy
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The dry mode can increase volume unexpectedly
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Knobs may feel cheap to some users
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Large size can take up significant pedalboard space
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Some users report hissing noise or loss of detail at higher fuzz settings
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Not all users appreciate the specific character of its fuzz
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Minor design flaws, like the placement of the small switch
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix Bass Big Muff Pi Fuzz.
Comparisons
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Some users find the Way Huge Pork & Pickle superior due to its compact size, versatile fuzz/overdrive toggle, and better midrange presence compared to the Big Muff series.
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The Aguilar Agro is favored for dirt over the Bass Big Muff due to its more suitable tone for certain users.
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The Abominable Electronics' Deluxe Hail Satan Fuzz is cited as surpassing the Bass Big Muff in mid-boost capabilities, making it more adept at cutting through live mixes.
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A Deluxe model of the Bass Big Muff features a blend knob and a gate, which some users prefer over the basic model's blend switch for better functionality.
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The original green Russian Sovtek is reported to offer more organic texture and warmth compared to the Bass Big Muff, which some find lacking in pronounced texture.
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Features and functionality
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The pedal's toggle set to bass boost can enhance the effect when the tone on the bass is fully open.
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A clean out and FX out feature allows for signal splitting to two amps or one amp with two inputs for better blending options.
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The Bass Big Muff Pi includes a dry blend feature, allowing simultaneous clean and distorted signals, which helps maintain low-end clarity in a mix.
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A blend knob on the Deluxe model enables precise mixing of clean and distorted signals, crucial for maintaining bass clarity and presence in a band mix.
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The Deluxe Bass Big Muff Pi includes a crossover section, which allows for creating a range from light funky fuzz to heavy distortion while maintaining low-end presence.
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The Deluxe Bass Big Muff Pi version offers an XLR DI output, beneficial for both recording and live performance setups.
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User experience
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Some find the pedal too harsh alone, but it integrates well in a mix with multiple instruments for a fuller sound.
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Use cases and applications
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Fuzz can be used subtly in upbeat pop music, not just for aggressive tones.
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The pedal can effectively mimic the primary lick in Royal Blood's "Lights Out" using only fuzz.
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Dialing the tone and sustain down initially and gradually increasing them can help find a desirable fuzz sound.
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The pedal excels when stacked with an EHX Battalion Preamp, allowing for a customizable combination of dry, fuzz, and distortion signals in a bass setup.
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The pedal is effective for achieving sounds similar to Muse's "Hysteria," making it suitable for covers of songs like "Starlight" and "Time is Running Out."
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It's mentioned that the pedal can overly thicken guitar tones in live settings, potentially causing issues with being heard due to its significant mid scoop.
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Owners note the Bass Big Muff Pi can mix well for heavy rhythm guitar and bass recordings, but struggles with lead parts due to its mid scoop.
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4.5 out of 5
Based on 39 Reviews and 274 Ratings
174
BEST PEDAL FOR BASS EVER
this is the best pedal i ever get in my life, i buyed it twice, 100usd
Preferred Settings + Usage:
vol: 5, tone: 7, sustain:7
127
It's a great distortion pedal for a great price!
I am an ex-guitarist, who switched to bass guitar. I predominantly play rock, metal, grunge, etc., and I bought this pedal used for $40! It is a great pedal, especially considering the price point, although I do wish that (despite this being a distortion pedal) this had the ability to play with a little less distortion level, but I'm not going to complain! The build quality is superb, although I will say that the Big Muff Pi is unnervingly lightweight, yet still solid.
Great Bass Pedal
Classic thick, gritty bass fuzz with lots of sustain, and versatile to many genres. The blend control is great, and the pedal’s overall very durable. It can however, get muddy in a mix and it’s pretty noisy.
86
Unique Sound
What they say about it is true, it has a unique sound, magic. Of course, it has many different positions, which means you have to spend some time finding your perfect sound, but once you find it you wouldn't change it for anything. It loses bass, so you have to use a double line (I use the boss ls-2).
This review has been translated automatically into English. See original633
shit
so people may hate me for this people may not, it seems to be a bit of a marmite pedal but i HATE the bass big muff SO SO much it just for a pedal thats marketed for bass it ate my low end completely and i just feel sick whenever i see one. i wish it never existed
Very good
I really like the fuzz effect and the selector adds 3 differents ways to mix the bass signal with the fuzz.
1235
cheap fuzz
Of course Big Muff is a classic. Russian Green Muff gives great bass fuzz, but this is another story. EHX Bass Big Muff will give you fuzz tone which you would like or hate. I prefer to blend DRY signal with EFFECTED. There is a fail that boosts audio when you turn up the volume which acts as a blend in "DRY" mode. You can live with it in cases when you want to put fuzz in some song moments. But adjusting it to signal without pedal is tricky. If you don't like blending you can use it's splitter which can send distorted and clean signals parallel. I also like this pedal on guitar. Anyway, it's cheap and a good strart point.
222
Simply the muff
I have no much things to say. This is the Muff; you must try the sound of it. This pedal is really useful thanks to the splitter out (effect and dry) so you can work a lot with mixing the dry with the effect on several amps. Electro Harmonics always make a well-crafted pedals so it's really difficult to broke it. I played it in several shows, with dust, mud, beer and many other lethal atmospherical agents and it still works very well as the d1. Thank you EH for made this little beast.
Artist usage
Add artist
The album has quite a few distorted bass sounds. What effects are you using? On the record, most of the distortion comes from running bass through Josh’s guitar amps. Live, I’m using an Electro- Harmonix Big Muff.
Fat Mike uses the Electro-Harmonix Bass Big Muff Pi pedal for songs such as "Medio-core" and the intro of "The Decline," as evidenced by images found through a Google search.
In this photo uploaded to Lucas' Instagram story, an EHX Bass Big Muff can be seen on his board.
A Bass Big Muff Pi can be seen in this photo from this interview. https://xlr8r.com/gear/in-the-studio-shigeto/
Album Usage
The Electro-Harmonix Bass Big Muff Pi Fuzz has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Electro-Harmonix Bass Big Muff Pi Fuzz, it is most commonly used with the following gear.
Community setups
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