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Fuzz · Electro-Harmonix

Electro-Harmonix Big Muff Pi

The Electro-Harmonix Big Muff Pi is a fuzz pedal that has remained in production since 1969. It operates on a 9V DC power supply and features Volume, Tone, and Sustain controls for shaping its fuzz character.

  • 9V DC · center −
  • 3 mA
New
from $101.60
Used (asking)
from $117.37
Compare pricesSee specs

The rundown

Highlights

  • Runs on 9V DC with minimal power draw (3 mA)
  • Three controls: Volume, Tone, and Sustain
  • Battery-compatible design
  • Available in black and silver finishes
  • In continuous production since 1969

Best for

Players seeking a classic fuzz tone in a straightforward pedal with analog circuitry and low power requirements.

Professional reviews

What the press rated it. We link to each review; read the full piece for the details.

Quick facts

Power
9V DC
Current draw
3 mA
Polarity
Center negative
Controls
Volume, Tone, Sustain
Year
1969
Status
In production

Where to buy Electro-Harmonix Big Muff Pi

$101.60 lowest new price · Reverb

Used listings asking $117.37–$771.39, median $479 (5 listings). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbNew$101.60View
ReverbNew$102.26View
ReverbNew$102.64View
ReverbNew$108.90View
ReverbNew$108.90View
ReverbUsed$117.37View
ReverbNew$136.10View
ReverbNew$160.29View
ReverbNew$328.90View
ReverbUsed$475View

Prices last checked 20 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Big Muff Pi use?

The Electro-Harmonix Big Muff Pi runs on a 9V DC supply with a center-negative connector and draws 3 mA of current.

What controls does this fuzz pedal have?

The Big Muff Pi features three controls: Volume, Tone, and Sustain.

Can I power it with a battery?

Yes, the Big Muff Pi is battery-compatible.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.