Electro Harmonix Metal Muff

Mint condition, studio use only 
Electro-Harmonix gave its total effort to design the best heavy metal pedal ever built.
The EHX Metal Muff utilizes three powerful EQ bands, including a midrange control designed for perfect contouring and beautifully sculpted mids. The Metal Muff offers commanding bass and defined high end-coupled with user-controlled distortion from pinched-edge to totally crushing-making it a heavy metal gold mine.
High input impedance buffered bypass
Output volume and master drive controls
3-Band EQ: bass, mid and treble
Footswitchable Top Boost with separate control knob
Tough and compact die-cast chassis