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Professor’s Notes

For bassists who want the legendary sustain and grit of the Big Muff Pi without losing low-end punch, the Bass Big Muff Pi is the smart, all-analog choice at a player-friendly price.

Description

The Electro-Harmonix Bass Big Muff Pi takes the iconic fuzz circuit and tailors it for bass guitar. It delivers the same sustain, harmonic richness, and aggressive character of the original Big Muff Pi, but with added features to keep your bottom end strong and defined.

Its 3-way switch provides Normal, Bass Boost, and Dry modes, giving players the flexibility to thicken their tone, preserve their clean signal, or push their fuzz into heavier territory. Paired with controls for Volume, Tone, and Sustain, it covers everything from subtle grind to walls of saturated fuzz.

Where vintage Muffs like the NYC Pi or Russian Big Muff can swallow low frequencies, the Bass Big Muff Pi is designed to keep bass fundamentals intact, making it a versatile and reliable option for modern players. Affordable, rugged, and all-analog, it’s a go-to choice for bassists chasing classic fuzz tones with real low-end authority.

Specifications

• Type: Analog fuzz/distortion (bass-optimized)
• Controls: Volume, Tone, Sustain, 3-way mode switch (Normal / Bass Boost / Dry)
• Bypass: True Bypass
• Audio: Mono input/output
• Power: 9V battery included or optional 9VDC power supply (not included)
• Current Draw: ~3mA
• Dimensions: 4.75" x 4" x 2.25"
• Extras: Optimized for bass frequencies, retains low end compared to standard Big Muff Pi

What’s Included

• Electro-Harmonix Bass Big Muff Pi pedal
• 9V battery (installed)
• Original packaging