| 摘要 |
PROBLEM TO BE SOLVED: To provide an earphone having a high sound quality, especially in the high sound area.SOLUTION: In an earphone including a housing body 1 for housing a dynamic woofer 2 and a tweeter 3 of piezoelectric element, and having a pipe-like sound guide hole 4, a treble output direction adjustment mechanism for aligning the sound output direction of the tweeter 3 with the axial direction of the sound guide hole 4 is provided. A support tool 32 provided at the ring part of the woofer 2 and achieving a slope, or a tabular body 33 attached to the diaphragm 31 of the tweeter and having the axial direction of the sound guide hole 4 as the normal direction is considered as the treble output direction adjustment mechanism.SELECTED DRAWING: Figure 2 |
