MXR Sub Machine FuzzThe MXR Sub Machine Fuzz kicks open the door to epic and unbridled sonic exploration. This mean little box combines the shaggy vintage tones of the La Machine Fuzz with a growling sub octave circuit, giving you a one way ticket to the sonic frontiers of heavy. The Sub Machine Fuzz features the La Machine Fuzzs circuitry and all of its functionsfrom its Volume, Tone, and Fuzz controls to its electrifying octave up mode.but its also got an old school