- What should do before wear a hearing?
First, asked about the history from doctor; Second, routine examination of the external auditory canal; Third, audiometer hearing test air-bone; Fourth, under the air-bone hearing threshold value and comfort matching hearing aids.
- How to choose the right hearing?
Mild hearing loss with low-power hearing aids, moderate hearing loss with high-power hearing aids, severe hearing loss with a very large power hearing aids.
- What is the working principle of ear amplifier?
Say simply, a hearing aid is an ultra-small loudspeakers, the original hearing can not hear the voices of patients, in accordance with their needs to be expanded, re-use in patients with residual hearing, will be sent to the brain's hearing voices and to hear the voice of the hub. Various types of hearing aids, the main difference lies in appearance, size and internal circuit design.