| 摘要 |
The earphone apparatus 20 comprises an electro-acoustic driver 40, a housing 50 for receiving the electro-acoustic driver, the housing 50 defining a rear volume 54 for receiving rearwardly radiated sound from the electro-acoustic driver 40, and a sensor plate 60) mounted on the housing (50) for receiving a controlling input from a user, wherein the rear volume (54) is fully or partially capped by the sensor plate (60). A vent or acoustic waveguide (56, fig 2) couples the rear volume 54 to the exterior. |
