| 摘要 |
PROBLEM TO BE SOLVED: To provide a speaker unit for device equipment having waterproof and dustproof effects which allows resonance- and sound pressure- related problems to be solved more readily in comparison to conventional ones, and especially to provide a speaker unit for device equipment which has frequency characteristics of a desired sound pressure by amplifying sound pressure characteristics in a low-frequency region.SOLUTION: A speaker unit for device equipment comprises: a speaker main body 1; a speaker housing 2 housing the speaker main body; and a film covering a front opening of the speaker housing 2 and having a Gurley value of 1 to∞seconds/100 cc, a thickness of 100μm or smaller and a mass of 0.1-5 mg/cmper unit area. |
