| 摘要 |
PROBLEM TO BE SOLVED: To provide a speaker unit for acquiring space-saving and high sound-effect by integrally installing into a ceiling, a floor, walls, etc. after forming the speaker unit (2) to be fit to a shape of a room like a corner of the ceiling and the floor etc. SOLUTION: The speaker unit (2) is formed to be fit to the shape of the room. The space-saving and the high sound-effect can be acquired by installing the speaker unit to be fit to the shape of the room as exactly as possible. COPYRIGHT: (C)2004,JPO
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