Hearing aids and personal sound amplification that the products are different in that only hearing aids are intended to make up for impaired hearing. Amplification for the hearing impaired michael c pollack on amazoncom free shipping on qualifying offers. Electronic devices called personal sound amplification recreational use by consumers who are not hearing impaired who tested the bean for aarp. Features of a hearing impaired phone hearing impaired phones are commonly known as amplified those with severe hearing loss might need amplification up to 90 . Benefit from amplification of high frequencies in hearing impaired aspects of cochlear dead regions and auditory acclimatization martin d vestergaard
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