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Connecting External Audio Equipment
Stereo Line-In Jack
The stereo line-in jack is the input line for an external stereo
player such as a CD player, stereo tuner, or tape deck. The input
device must have a 3.5-mm stereo plug and must supply line input
levels of 0.5 to 4.25 volts. The line output of most stereo players
meets this specification.
CAUTION:
A monaural plug in the stereo line-in jack may damage the input
device.
Stereo Speaker/Headphone Jack
The stereo speaker/headphone jack supports stereo speakers,
headphones, or a headset. You can connect external speakers to
provide more separation for the left and right audio channels,
more volume, and higher quality sound.
Use only a 3.5-mm stereo plug. For best sound quality, head-
phones should be 32 ohms, and external speakers should be a
minimum of 8 ohms.
WARNING:
!
volume control before putting on headphones.
CAUTION:
headphone jack. A monaural plug in the stereo speaker/headphone
jack may damage the computer.
Microphone Jack
The microphone jack supports a monaural microphone with a
3.5-mm plug. A powered electret condenser microphone is
recommended.
Other types of microphones, such as stereo or dynamic, are not
recommended. A stereo microphone will record the left channel
on both the left and right channels. A dynamic microphone does
not have the recommended sensitivity.
11-4 Using Audio Features
Use only a 3.5 mm stereo plug in the stereo line-in jack.
To reduce the risk of personal injury, turn down the
Use only a 3.5-mm stereo plug in the stereo speaker/
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