Patent ID: 8708092
Filing Date: 2014-04-29
Classification: H04R

Abstract:
1. A speaker device comprising: a cabinet; a duct for adjusting the back pressure, the duct protruding from the cabinet; a speaker unit mounted in the cabinet; and an intermediate hollow member, wherein an opening is formed in a partition wall that separates an outer space from an acoustic space in which the cabinet is installed, and the duct communicates with the outer space through the opening, wherein the intermediate hollow member is interposed between the duct and the opening, and the intermediate hollow member includes a first connection portion connected to the duct and a second connection portion connected to the opening, wherein the intermediate hollow member is a hollow box-like member and does not include the partition wall, and wherein a minimum cross-sectional area of the intermediate hollow member is greater than a cross-sectional area of the duct, and a volume of the intermediate hollow member is greater than a volume of the duct.