The Electro-Harmonix Nano Metal Muff is designed for players seeking intense distortion and a fiercely aggressive sound. The combination of weaponized distortion and an extremely powerful EQ section gives you the flexibility and tone shaping you need to tailor your ultra-heavy sound. The Nano Metal Muff's newly designed noise gate is a great addition, eliminating unwanted hum when you stop playing, and features a noise floor threshold control (GATE) and an LED to indicate when the gate is engaged. In addition, the compact size and versatile, intuitive controls are also key elements that make the Nano Metal Muff a complete product.- Sounds for heavy metal players. - Compact and easy to fit on a pedal board. - Wide range of EQ controls: Bass +/- (cut or boost) 14dB, Mid +/- 15dB, Treble +/- 10dB. - VOL control sets the output volume level of the pedal. - DIST control to adjust input gain and distortion amount. - Noise gate that removes unwanted noise and has an LED to indicate when it is engaged. - DC9V battery (006P) included - Size: 70mm (w) x 113mm (d) x 50mm (h)