PedalBro

Fuzz · Electro-Harmonix

Electro-Harmonix Bass Big Muff Pi

A fuzz pedal designed specifically for bass guitar, featuring a blend control that maintains low-end clarity while adding fuzz texture. Twin op-amp design allows for deep, flexible tonal shaping.

  • 9V DC · center −
  • 7 mA
New
from $98
Used (asking)
from $51
Compare pricesSee specs

The rundown

Highlights

  • Blend control preserves bass fundamentals and reduces muddiness typical of fuzz pedals
  • Compact footprint at 106.4 x 120.7 mm
  • Runs on standard 9V DC with minimal power draw at 7 mA
  • Battery-compatible and currently in production
  • Premier Guitar gave it 4.5 out of 5 stars, praising its compact and effective sound

Best for

Bass players seeking a fuzz pedal that maintains low-end definition and clarity.

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
7 mA
Polarity
Center negative
Dimensions
106.4 × 120.7 mm
Status
In production

Where to buy Electro-Harmonix Bass Big Muff Pi

$98 lowest new price · Reverb

Used listings asking $51–$104.50, median $95 (7 listings). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$51View
ReverbUsed$75View
ReverbUsed$79View
ReverbUsed$95View
ReverbNew$98View
ReverbNew$98View
ReverbNew$98View
ReverbNew$98View
ReverbNew$98View
ReverbNew$98View

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

Frequently asked questions

What power does the Bass Big Muff Pi require?

The Electro-Harmonix Bass Big Muff Pi runs on 9V DC at 7 mA, center-negative.

Is the Bass Big Muff Pi battery-compatible?

Yes, the Bass Big Muff Pi is battery-compatible.

What size is the Bass Big Muff Pi?

The Bass Big Muff Pi measures 106.4 x 120.7 mm.

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.