The Earthquaker Devices Zoar Dynamic Audio Grinder is a distortion pedal that can be used for everything from medium distortion to powerful high-gain sounds. Thanks to its variable operating voltage of 9 to 18 volts, the Zoar skillfully combines the clear and tidy tightness of modern distortion pedals with the unique sound character of classic vintage circuits, almost drifting off into Fuzz , so that it can easily handle a wide variety of genres from hard rock to modern metal. In addition to the usual controls for gain and Level , the weight control influences the amount of low-end in the circuit. Further tonal adjustments are also available with the 3-band EQ, which is also on board.