Phantom power

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Notion

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Science and technology

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What Wikipedia says

Phantom power, in the context of professional audio equipment, is direct current (DC) electric power equally applied to both signal wires in balanced microphone cables, forming a phantom circuit, to power microphones that contain active electronic circuitry.

Excerpt from the Wikipedia article “Phantom power”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: PolBr, CC BY-SA 3.0, via Wikimedia Commons.