Live entertainment · live
Phantom power
Also known as P48, simplex power.
DC power sent through balanced microphone lines to operate compatible condenser microphones and active devices.
In practice
Common professional systems supply 48 volts, but compatibility must be confirmed before connection; mute paths and handle patching carefully, especially with unbalanced or vintage equipment.
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Sources
Educational reference only. Requirements vary by jurisdiction, employer, venue, and production context.