| 摘要 |
PROBLEM TO BE SOLVED: To provide an auditory canal insertion type earphone capable of solving the problem of a conventional technique so as to reduce the feeling of blockage by pressure to be applied on a tympanic membrane due to the sound insulation of an ear plug without sacrificing features that the earphone is easily mounted and has excellent sound insulation performance, to reduce stress by the feeling of blockage, etc., and also to obtain excellent reproduction characteristics.SOLUTION: An auditory canal insertion type earphone includes: an auditory canal insertion part; and a body incorporating an acoustic converter. A hollow member for communication between the internal space of the auditory canal insertion part and the external space of the auditory canal insertion type earphone is inserted to the auditory canal insertion part concerning the auditory canal insertion type earphone. |
