There was an interesting article in the Daily Sun (I do not think it was an online article) that stated there was a push for the FDA to approve 'generic' hearing aids that you could purchase over the counter and setup your self with an app. The article went on the explain the high cost of traditional hearing aids, there is a very large overhead for the store fronts, the people, the equipment, etc.
Type in generic hearing aids into Google for more info.
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Pennsylvania, for 60+ years, most recently, Allentown, now TV. 
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