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Each phone has a volume control. Both wife and I have hearing aids so we may not be a good choice for info. I am pleased with the phones and I have Tinnitus but wife is a little unhappy that the sound is not loud enough for her on speakers. She has had hearing problems since her childhood doctor chose to puncture her eardrums when she had infections as a child. I think the phones are fine and all 4 seem to be the same to me. Hope this helps. Ken
Sorry, there was a problem. Please try again later.Yes it does
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