The ART Phantom II is a dual channel battery powered phantom power supply for condenser microphones. The Phantom II Pro features a simple, sturdy and compact design. 2 pairs of XLR inputs and outputs on the front and back respectively, a power on/off switch, and connector for optional wall-wort PSU. Excellent internal circuitry design that will maximise the life of your battery, and provide a constant source of power to you microphone(s). Ideal solution for audio interfaces; such as the Audient iD14, that only requires a power supply to be connected when the unit is providing phantom power.