| 摘要 |
PURPOSE: A speaker unit is provided to enhance bass sound within a bass band by dividing an inside of a cabinet into plural chambers and a duct for connecting the chambers to each other. CONSTITUTION: A speaker unit includes a cabinet, a first and a second speaker, and a duct. The inside of the cabinet(30) is divided into two or more chambers by a separation plate. The first and the second speakers(40,40') are installed in the chambers of the cabinet. The duct(50) is used for connecting a first chamber(34) to a second chamber(36) to each other or connecting the chamber to the outside of the chamber. The first speaker of the first chamber is installed to a front side of the cabinet. The second speaker of the second chamber is installed to the first chamber.
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