High Quality Content by WIKIPEDIA articles! Phantom power (usually P48 or 48 volts in pro audio equipment, sometimes lower (e.g. 12 volts)) is a method that sends a DC electrical power through microphone cables to operate microphones that contain active electronic circuitry. It is best known as a common power source for condenser microphones, though many active DI boxes also use it. Phantom power supplies are often built into mixing desks, microphone preamplifiers and similar equipment. In addition to powering the circuitry of a microphone, in traditional (DC-polarized) condenser microphones the phantom powering directly or indirectly supplies the voltage used for polarizing the microphone's transducer element ("capsule").

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