| 摘要 |
A speaker module of a portable communication device includes a shell and a speaker module. The speaker module includes a speaker, a base and a wall. The wall connects with the base. The shell has two half shells. The shell and the wall define an acoustic cavity when the two half shells are connected. Consequently, the acoustic cavity is defined alongside the speaker, which reduces entire height of the speaker module. The entire height of the communication device can be also reduced to meet the demands of thin, light and compact features for the communication device.
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