The VA gave me a pair of the 4 grand +/- (each) ones a few years back. They wouldn't spring for the kind that help with tinnitus.
I guess they improved my hearing in that I could hear the refrigerator, the wall clock and the neighbor's radio playing Rush Limbaugh in perfect fidelity.
Conversations and the rest of what I wanted were unchanged.
I gave them back after a month.
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