As the name suggests, this fuzz is designed to emulate the sound of a Ram's Head Big Muff. Unusually for a Big Muff-style pedal, it features a 3-band equalizer, making it very easy to shape your sound. The mid control, in particular, has a frequency sweep, allowing for a wide range of tones, from a present, mid-focused sound to an extreme scooped sound, making it very versatile. I checked the functionality before listing, and there are no issues. The appearance is also in good condition. Ram's Head Ram's Muff EleHae Electro Harmonix