| 主权项 |
1. A speaker comprising at least four diaphragms, inner connecting rods, outer connecting rods, and a cavity sealing housing, wherein
all the diaphragms forms two groups of the diaphragms, and the diaphragms of the two groups are alternately arranged, and the two groups of the diaphragms move relative to each other; connecting points are provided on domes of each of the diaphragms, respectively, and the inner connecting rods are connected with the diaphragms via the connecting points on the domes, and the inner connecting rods, which are connected with the two groups of diaphragms, respectively, are connected with each other via different outer connecting rods, respectively; and cavities of the speaker are formed between adjacent diaphragms, and cavities that are spaced apart from each other jointly form a front acoustic cavity of the speaker, and the cavities adjacent to the front acoustic cavity form a rear acoustic cavity of the speaker, and the cavity sealing housing seals the front acoustic cavity or the rear acoustic cavity to separate the front acoustic cavity from the rear acoustic cavity of the speaker. |
