CPC H04R 7/045 (2013.01) [G06F 1/1605 (2013.01); H04R 1/2853 (2013.01); H04R 2400/03 (2013.01); H04R 2499/01 (2013.01)] | 20 Claims |
1. A speaker, comprising:
a counterweight body;
a lower shell;
a middle shell;
an electric vibration plate; and
a dome, wherein
the lower shell, the middle shell, and the electric vibration plate are matched to form an accommodating cavity, and the counterweight body is disposed in the accommodating cavity and is connected to a first surface of the electric vibration plate;
the dome is disposed on a second surface of the electric vibration plate away from the counterweight body; and
when a voltage is applied to the electric vibration plate, the electric vibration plate drives the dome to move.
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