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The difference between the speaker's internal and external/扬声器内置和外置的区别
Amount of reading：，Release time：2014-03-04 16:07:30
The loudspeaker is divided into a built-in speaker and an external speaker, while the external speaker is generally referred to as the speaker. Built in speaker is a MP4 player with a built-in speaker, so users can not only through the headphone jack can also be through the built-in speaker to listen to the sound of the MP4 player.
扬声器分为内置扬声器和外置扬声器，而外置扬声器即一般所指的音箱。内置扬声器是指MP4播放器具有内置的喇叭，这样用户不仅可以通过耳机插孔还可以通过内置扬声器来收听MP4播放器发出的声音。