A Simple Way to Give Mics Phantom Power! The ART Phantom II Pro provides the clean, dependable phantom power that your condenser microphones need. This dual phantom power supply is suitable for providing 48 volts of phantom power to a mixer channel or audio interface that does not already have it. Simply keep the ART Phantom II Pro in your studio or live sound toolset in case you need to experiment with how you route channels into your mixer or interface. Built within a tough extruded aluminum casing, the economical Phantom II Pro may even be powered by a battery for complete on-the-go simplicity. Of course, the ART Phantom II Pro has an AC power option for prolonged sessions. The ART Phantom II Pro Dual-channel Phantom Power Supply has the following features: Dual phantom power supply. Provides 48V of phantom power. Two female XLR inputs and two male XLR outputs. Powered by regular 9V batteries. * Can be powered by an external AC power source. * Extruded aluminum casing with an easily accessible battery compartment. * LED-lit On/Off switch. * Circuitry with minimal noise and distortion.