Patent ID: 9706309
Date: 2017-07-11
CPC Classifications: H04R

Claim:
1. An acoustic device, comprising: a cover having a top wall and a plurality of sidewalls connected with the top wall; a mounting plate assembled with the cover for forming a receiving space; a speaker unit received in the receiving space, wherein, the cover further defines a through window formed in one of the sidewalls for transmitting sound generated by the speaker unit to outside; the speaker unit has a diaphragm including a dome, a suspension surrounding the dome and a first strength member attached on the dome; the first strength member comprises a plurality of first strength parts disposed on the dome, juxtaposed with each other and spaced from each other, each of the first strength parts having a first portion away from the through window and a second portion opposite to the first portion; and a rigidity of the second portion is higher than that of the first portion.