| 摘要 |
A pre-embedded in-wall speaker seat comprising a frame of the speaker and a plurality of brackets, in which, by insertion of engaging hooks on the external peripheral surfaces of the middle sections of the brackets into engaging recesses to hook the inner edges of the engaging recesses, protrusions on these peripheral surfaces of the middle sections of the brackets can be inserted into some engaging grooves in passing to make engagement and positioning of some positioning ribs with some positioning recesses. Thereby, the pre-embedded in-wall speaker seat is completed. By engagement of the brackets with the engaging recesses of the frame, the frame can be fast connected with the brackets without a tool; and by connecting of the positioning ribs with the positioning recesses as well as the protrusions with the engaging grooves, the brackets can easily get a selection in alignment with the engaging grooves within the thickness of the wall to accomplish engagement and positioning by connections of relieves and recesses.
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