| 摘要 |
PROBLEM TO BE SOLVED: To provide a space-saving speaker box that does not affect sound tones of a speaker. SOLUTION: A speaker box includes a plurality of surfaces, the plurality of surfaces are formed while surrounding an accommodation space for accommodating a speaker, dimensions of at least one of the plurality of surfaces can be changed, and the volume of the accommodation space is changed by the dimension change. When the speaker box does not work, a user adjusts the speaker box into minimum volume state and when the speaker box works, the user adjusts the speaker box into a first woofer state in accordance with his/her preference, so that sound tones can be adjusted in accordance with the user's preference and the space can be saved. COPYRIGHT: (C)2007,JPO&INPIT
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