Electro-Harmonix Od Glove Mosfet Overdrive/DistortionThe Electro Harmonix OD Glove provides a rich, overtone laden sound that doesnt get muddy. Responsive controls that take you from sparkling, clean boost through brown crunch and to thick, saturated hi gain. It has advanced features like Tone Shift and selectable 9 or 18V internal voltage for surgical sound sculpting. Controls The GAIN Knob controls the amount of input gain and overdrive. As you turn this knob clockwise, the OD Glove ranges from sweet