SPEAKER DEVICE

摘要

A speaker device has a cabinet (11), a speaker unit (12), package bodies (13), sealed gas (15), and adsorption bodies (14). The speaker unit (12) is installed in the cabinet (11). The number of the package bodies (13) placed in an empty room (Ra) inside the cabinet (11) is at least one, and the package body (13) has a bag body that seals off a substance in it from the outside. The sealed gas (15) sealed in the package body (13) is of a predetermined quantity. The adsorption body (14) sealed in the bag body (13) is of a predetermined quantity and physically adsorbs the sealed gas (15).