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Personal Sound Amplifiers (PSA)
Personal Sound Amplifiers (PSA)
Hearing aids are very expensive, typically from $3000 to $6000 a pair..
But some people might postpone wearing them, for many year..
I describe this alternative at my university website:
http://csam.montclair.edu/~kowalski/aps.htm
Feel free to share this short essay with others.
Comments will be appreciated..
Ludwik Kowalski (see Wikipedia)
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"Diary of a Former Communist: Thoughts, Feelings, Reality." My testimony is based on a diary kept between 1946 and 2004, in the USSR, Poland, France and the USA. Ask Google for Ludwik Kowalski.
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