Connecting a Stereo Speaker/Headphone, Audio Components

Audio and Video

Audio Components

	Feature	Function

1	Speaker	Provides audio playback of
		multimedia applications. When
		using the computer in a Mobile
		Expansion Unit (MEU), the speaker
		may be disabled and system sounds
		played through the speakers on the
		MEU. Consult the documentation
		included with the MEU for additional
		information.

2	Volume buttons (2)	Adjust or mute the system volume.

3	Stereo speaker/headphone	Connects stereo speakers,
	jack	headphones, or a headset to the
		computer

4	Microphone jack	Supports a single sound channel
		(monaural) microphone with a
		3.5-mm plug

5	Microphone	Supports audio input when the
		display is open and has a standard
		sensitivity of -50dB

When connecting a device to the stereo speaker/headphone jack:

■Use only a 3.5-mm stereo plug.

■Use 32-ohm headphones and at least 8-ohm external speakers for best sound quality.

■The stereo speaker/headphone jack disables the computer speaker when an external audio device is plugged into the jack.

6–2	Hardware Guide