Polycom
1K0-002 · Question #174
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
(36 responses)- A17% (6)
- B3% (1)
- C8% (3)
- D72% (26)
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