ACOUSTIC REPRODUCTION DEVICE

摘要

An acoustic reproduction device includes: a speaker unit (201) which generates a sound wave; a speaker unit rear chamber unit (402) formed by a chamber unit where the speaker unit is arranged and a pipe guiding portion or a branching portion having a volume, a cross section, and a length which are different from those of the chamber unit, wherein the pipe guiding portion introduces a rear wave from the speaker unit to a port unit; and the port unit (101) connected to the speaker unit rear chamber unit and having an opening for outputting the rear wave outside.