They are actually pretty sophisticated devices that do a substantial amount of digital signal processing in a very small package.
Quote:
Originally Posted by Dr Winston O Boogie jr
They are exp[ensive so that charlatans can continue to make outrageous profits.
A hearing aid is a pretty simple device and inexpensive to make. All of this fitting to your specific frequencies is for show.
As dubussone said, go online and buy a pair. Companies and people are beginning to wise up to this fraud.
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