Polycom
1K0-001 · Question #185
Which of the following correctly describes typical audio phantom power?
The correct answer is D. A DC voltage applied to pins 2 and 3 of an XLR connector returning through pin 1, used to power. See the full explanation below for the reasoning.
Question
Which of the following correctly describes typical audio phantom power?
Options
- A48 volts DC applied to a telephone circuit center pair used to provide power to the telephone set
- B12 volts DC applied to the tip and ring of a TRS connector used to power amplified headphones
- CA DC voltage applied to the center pin of an RCA type connector used to power remote pre-
- DA DC voltage applied to pins 2 and 3 of an XLR connector returning through pin 1, used to power
How the community answered
(56 responses)- A4% (2)
- B7% (4)
- C16% (9)
- D73% (41)
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