| 摘要 |
PROBLEM TO BE SOLVED: To provide a speaker which is capable of adjusting the emission direction of sound and capable of waterproofing easily without damaging the peripheral design. SOLUTION: This device is equipped with a mounting hardware 2 which is disk-shaped and one side of which is fixed to an installation surface. A speaker body 3 arranged in a way that an envelope is arranged such that the back side of the envelope is abutted to the front side opposite to an installation surface of the mounting hardware. Its sound emission direction central axis 26 crosses a center line 25 of a speaker body vertical to the back side at a specified angleθ. A combining means 4 can attach and detach the speaker body 3 arranged body on the front side of the mounting hardware 2 to and from the mounting hardware 2 and can changed an installation position to a desired rotation position around the central line and fix it. The combining means 4 consists of an engagement part 41 formed on an outer peripheral part of the mounting hardware 2 and an engagement hardware 42 which is provided at plural positions on the outer peripheral part near the back side of the speaker body 3 and is freely engageable with and detachable from the engagement part of the mounting hardware 2 in a state where the speaker body back side is abutted to the mounting hardware front side. The device is provided with a fist and a second packings 47 and 48. A mesh cover 27 of dome shape is provided as well.
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