The Electro-Harmonix Bass Big Muff Pi is a powerful fuzz and distortion pedal designed specifically for bass guitar, delivering the legendary Big Muff tone while preserving low-end clarity and punch. Built for bassists who want massive, saturated fuzz without losing definition, this pedal combines thick sustain with deep, powerful lows.

Featuring classic Volume, Tone, and Sustain controls alongside a Bass Boost / Normal / Dry switch, the Bass Big Muff Pi allows you to shape your sound with precision. The dry mode blends your clean signal with the fuzz effect, ensuring your bass retains its natural attack and presence in any mix.

From gritty overdrive to full-on wall-of-fuzz tones, this pedal is perfect for rock, stoner, metal, and experimental genres. Whether you're laying down heavy riffs or cutting through a dense band mix, the Bass Big Muff Pi delivers consistent, stage-ready performance.

Housed in Electro-Harmonix’s rugged enclosure, this pedal is built to withstand gigging while providing reliable, high-quality tone every time.

Key Features

Designed specifically for bass guitar

Classic Big Muff fuzz with enhanced low-end response

Controls for Volume, Tone, and Sustain

3-way switch: Bass Boost, Normal, Dry (clean blend)

Retains low-end clarity while adding heavy distortion

Ideal for rock, metal, stoner, and alternative styles

Durable Electro-Harmonix construction