Plasma Coil by Third Man Hardware and Gamechanger Audio uses High Voltage Distortion technology, amplifying audio to 3500 Volts via a xenon tube with a lifespan of 10,000 to 70,000 hours. It includes two EQ controls, a VOLTAGE knob, and an EFFECTS knob with six effect types. Features also include a footswitch for effects, a master VOLUME knob, and a toggle for latching or momentary effect operation.