The Muff Distortion
Mufftortion for guitar

No roar has never been more expressive.

The Muff distotion for guitar provides the characteristic Muff distortion type, while maintaining touch and playing style unaltered.

Ideal for use on the amplifier clean channel, it produces a rich and full bodied distortion.

The FAT MODE, internally selectable, adds a pronounced response on mid-low frequencies, perfect for big and sustained lead sounds, with expressiveness and musicality guaranteed by an excellent dynamic response.

The lowest background noise helps to create a unique sound experience.

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Sound samples

Sustain: 5 | Tone: 5 | Level: 6 | Fat Mode: ON

Sustain: 4 | Tone: 7 | Level: 7 | Fat Mode: OFF

Sustain: 8 | Tone: 5 | Level: 10 | Fat Mode: OFF

Sustain: 3 | Tone: 8 | Level: 10 | Fat Mode: ON

Sustain: 5 | Tone: 5 | Level: 6 | Fat Mode: OFF

Sustain: 4 | Tone: 7 | Level: 7 | Fat Mode: ON

Sustain: 5 | Tone: 10 | Level: 10 | Fat Mode: OFF

Samples by Marco Tafelli


Analog is Better!

  • Extremely dynamic sound also at low sustain level.
  • Effective tone control.
  • True bypass.


A small tip on the best position of the The Muff in your pedalboard.

but do not forget that experience is always the best solution…


Guitar World by Billy Voight
“”….if you think about the name and the pedal’s artwork, it’s a souped-up version of exactly what you think it is! There Everything from nasty Deep Purple bass tones to a smooth violinlike Santana lead tone.”

go to the review

Guitarist Magazine by Trevor Curwen

“All those classic sounds are here, from out-and-out grunge to the more refined liquid lead”

go to the review

  • Selected electronic components.
  • True bypass.
  • Full analog.
  • Jack input / output 6.3 mm 1/4″ on the sides.
  • Three knobs allow sustain level, tone and volume adjustment. The LED indicates the effect is on.
  • No click /pop at effect activation.
  • Power supply 9 VDC via battery or external power supply unit. Battery replacement is possible by removing the four screws on the bottom cover.
    For proper operation it is recommended to use batteries with voltage not lower than 6.5 V.
    The external power supply, with regulated power supply is possible via 2.1 mm-plug with negative centre .
  • Power consumption 10 mA (max).
  • Dimensions (mm): 72 X 120 X 55
  • Weight (g): 250 (without battery).