Patent ID: 8457339

Claim:
A loudspeaker assembly, comprising: a first shell comprising a plurality of concentric deformation portions and a plurality of concentric spacing portions, each spacing portion located between two adjacent deformation portions; a second shell; and a loudspeaker embedded in the first shell; wherein together the first shell and the second shell enclose a sound chamber; the first shell can be folded to adjust the size of the sound chamber; when the first shell is unfolded, the plurality of deformation portions and the plurality of spacing portions are parallel and together form a smooth hemisphere; when the first shell is folded to disk shape, every two adjacent spacing portions are parallel and face each other, and the every two adjacent spacing portions and one of the plurality of deformation portions are located between the two adjacent spacing portions together constituting an annular protrusion, all of the annular protrusion are concentric, parallel and together constitute the disk shaped first shell.