Electro-Harmonix Bass Big Muff Pi 2 Pedal

zZounds Gear Experts Say...
The Big Muff that never was, until it was! The Electro-Harmonix Bass Big Muff Pi 2 boasts a resurrected 1970 circuit built in collaboration with JHS Pedals.

Fusing the Big Muff's storied history as a favorite fuzz pedal amongst bassists with the long-lost Op-Amp fuzz that never was -- that's what the Bass Big Muff Pi 2 does. With a surprising tone all its own, the Big Muff Pi 2 made waves when the original circuit from the 1970s was resurrected in collaboration with Josh Scott of JHS Pedals. This take on the iconic pedal is optimized for bass players looking for a tasty fuzz without sacrificing any low-end flavor.

The Bass Big Muff 2 features the signature midrange grind of the original with the flexible EQ and virtually endless sustain expected in any Big Muff. The Bass version adds a BLEND knob and BASS BOOST switch to the VOL, SUSTAIN, TONE control set. The BLEND knob mixes the dry and fuzz signals to set the perfect balance of distortion without losing clarity and foundational low-end. Flip the BASS BOOST switch to make an even bigger impact, especially while running the TONE knob at more trebly settings. These added controls let the bass player dial in the best fuzz tone without sacrificing their ability to shake walls and rattle halls.

The Bass Big Muff Pi 2 features a true bypass footswitch with Latching/Momentary Action. Click the footswitch for normal latching functionality or press and hold the footswitch of a momentary burst of fuzz mayhem!

Features:

- Unique Big Muff Pi circuit design employing 2 Dual Op-Amps
- Added features optimized for extended low-end
- VOL, TONE, and SUSTAIN controls
- BLEND knob sets read more wet/dry mix
- BASS BOOST adds more overall low-end to your signal
- True Bypass
- Latching/Momentary footswitch action
- Mechanical relay true bypass on a soft footswitch
- 9V Battery included, adapter optional
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Dimensions and Weight in Packaging

Base Item

  • Shipping Weight: 0.71 lbs
  • Shipping Dimensions: 6 x 3 x 3 in
  • Manufacturer Part Number (MPN): NANOBBM2

For support or warranty questions, please contact the manufacturer:
Phone: 718-937-7818
Web: https://www.ehx.com/support/

Reviewers gave this product an overall rating of 5 out of 5 stars. (1 ratings)
Submitted March 13, 2026 by a customer from yahoo.com

"Great for Guitar AND Bass"

Overall: 5 out of 5 stars
(see rating details)
Verified Purchaser zZounds has verified that this reviewer purchased this specific product from us.
This pedal is a delight. It has a fat and nasty fuzz tone that is made a little less sharp and rounded by the bass boost switch but the blend knob is fantastic for mixing the wet and dry signal to get the perfect blend of tone and clarity from your clean signal mixed with the distortion from the pedal. I'm still experimenting with the fuzz tones as it seems there is almost a never ending variety of usable sounds. GREAT GREAT PEDAL!!!
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