Electro Harmonix Nano Metal Muff

An EHX Distortion Tailored for Metal, Nano Version

The Nano Metal Muff follows the line of Electro-Harmonix distortions designed to deliver a massive, tight, and decidedly modern sound. The goal is clear: to offer heavy saturation with a sharp character, while maintaining real adjustment range thanks to a particularly powerful equalization. In this reduced format, EHX brings together the essentials to go from a tight and precise grain to a broader gain wall, without complicating the experience.

For Whom, Which Styles, and In What Contexts?

This pedal is aimed at guitarists who want a clear, dense, and aggressive distortion: modern metal, thrash, hardcore, muscular hard rock, but also any situation where a very present saturated tone is sought. It works equally well with humbuckers and single coils, and becomes formidable on low tunings or palm-muted riffs.

In the studio, the noise gate helps keep takes clean when stacking gain. Live, its compact format and straightforward controls allow you to quickly dial in "the" sound, even on a crowded pedalboard. If you like sharp attacks and tight stops, the Nano Metal Muff is in its element.

Controls, Equalization, and Noise Gate: Simple, Effective, Straightforward

The Nano Metal Muff gets straight to the point with controls designed to be understood within seconds. The VOL knob sets the output level, handy for balancing your volume between clean and distorted sounds or for pushing the amp input. The DIST knob manages gain and distortion amount, from big muscular crunch to heavily compressed saturation.

The pedal's strong point is its 3-band EQ with wide range: you can boost the bass for a huge low end, scoop or bring back mids to position yourself in the mix, and adjust the treble to gain sharpness without becoming harsh. Finally, the Noise Gate is controlled via the GATE knob (threshold) and features a dedicated LED indicating its operation: ideal for taming hiss and unwanted noise when not playing, without killing your dynamics more than necessary.

Regarding integration, the pedal offers a buffered bypass: a smart choice if you use long cables or multiple pedals, to preserve clarity and presence of your signal chain.

The Sound

Expect a thick, tight, and very "metal" distortion, with an attack that can become particularly biting depending on the treble setting and gain level. The Nano Metal Muff delivers compact, precise, and punchy rhythms while retaining enough sustain for leads. The very extended EQ allows you to switch from a modern scooped sound (reduced mids) to a more present and articulate grain (boosted mids), useful for standing out in a band mix.

The noise gate provides a cleaner playing feel at high gain: tight stopped riffs, controlled silences, and less unwanted hum between phrases. In summary, a pedal that prioritizes impact, clarity, and noise control, without overwhelming you with menus or modes.

Technical specifications

Effects	Distortion / Overdrive / Fuzz, Buffer, Noise Gate, Distortion	Type	sector
Technology	Analog	Use	electric guitar
Format	Pedal	Color	Black
EQ	3 channels

Circuit	analog	Power adapter	9.6V DC 200 mA (optional, not included)
Bypass	buffered bypass	Dimensions (inches)	4.5 x 2.75 x 2.1
Audio	mono	Current consumption	24 mA
VOL	output volume level	Release year	2021
DIST	input gain and distortion amount	Consumption	24 mA
Noise Gate	threshold control (GATE) + dedicated LED	Required voltage	9V (battery) or 9.6V DC via compatible adapter
Power source	9V battery included