ACOUSTIC APPARATUS

原文（中国語）

An acoustic apparatus includes an enclosure installed in a seat, and a speaker unit provided inside the enclosure, wherein an internal space of the enclosure is partitioned into a listener-side space and a back space by a diaphragm provided in the speaker unit, a listener-side duct leading to the listener-side space and a back duct leading to the back space are connected to the enclosure, and a listening position is set at a position where a straight-line distance from an opening of the listener-side duct is shorter than a straight-line distance from an opening of the back duct.