Using The Audio-In (Microphone) Jack; Using The Audio-Out (Headphone) Jack - HP Compaq Series Hardware And Software Manual

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Using the Audio-In (Microphone) Jack

Your notebook is equipped with a stereo microphone jack that
supports a stereo array and monaural microphone. Using sound
recording application software with an external, stereo
microphone allows for stereo (dual channel) recordings and
stereo playbacks.
When connecting a microphone to the microphone jack, use a
microphone with a 3.5-mm plug.

Using the Audio-Out (Headphone) Jack

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WARNING: To reduce the risk of personal injury, adjust the volume
before putting on headphones or a headset.
The headphone jack is also used to connect the audio function of
an audio/video device such as a television or VCR.
When connecting a device to the headphone jack:
■
Use only a 3.5-mm stereo plug.
■
For best sound quality, use 24-ohm to 32-ohm headphones.
✎
When a device is connected to the headphone jack, the internal
speakers are disabled.
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