Headphone with passive diaphragm

[0018]As shown in FIG. 1, the instant disclosure provides a headphone with passive diaphragm 1, adapted to engage a user's ear 9. The headphone with passive diaphragm 1 comprises an acoustic generator 10, and a diaphragm assembly 20 (as shown in FIG. 2) and an elastic member 50. The diaphragm assembly 20 is configured at an end of the acoustic generator 10, and the elastic member 50 is configured at a proximal end of the acoustic generator 10 near the user's ear 9.

[0019]The acoustic generator 10 can be driven by dynamic, static, balanced armature, or various types of mechanisms depending on the overall preference of the headphone 1, and the overall preference is based on any or any combination of the following factors such as cost, frequency, sensitivity requirement, sound quality, and usable life. The elastic member 50 is substantially high density foam ear pads, silicon earplugs, or form ear plugs. When the elastic member 50 is in use, a proximal end is adapted to engage the user's e