Connecting sound output devices
Your computer has a built-in microphone to the lower right of the display. For information on using the microphone to record sounds, see the “Sound” topic of Macintosh Guide, available in the Guide (h) menu.
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Microphone
The Macintosh PowerBook also has a stereo sound output port (marked with the icon -) to which you can connect externally powered speakers, an amplifier, headphones, or other audio output devices. The sound output port accepts a standard stereo miniplug, like that used to attach headphones to a portable tape player.
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