Speaker box
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Jan 26, 2017
filing date -
Oct 26, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A speaker box is disclosed. The speaker box includes a housing; a speaker unit accommodated in the housing and including a diaphragm for generating sound; a front sound cavity cooperatively formed by the diaphragm and the housing; a sound channel communicating the front sound cavity with outside space of the speaker box; and a sound-absorbing device disposed in the sound channel. The sound-adsorbing device includes an accommodation housing, sound-absorbing powder filled in the accommodation housing and a separation net sealing the accommodation housing. The speaker box achieves designed acoustic parameters with good acoustic performance.
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