Most professional know that personal sound amplifier is different from hearing aids. But you may be not know.
Personal sound amplifier just rely on increasing the volume of sounds to make people listening clearly, but hearing aid is solving the hearing problems for repairing hearing loss people’s impaired hearing. Normal people used personal sound amplifier when they want to make sound loudly for many reasons, or they want to listening the sound alone, but they would never take the hearing aids to do the same thing. Hearing aids is designed for the hearing impaired children, elderly, and others who need it.
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