Hearing Aids
Modified: 2026-08-06 3:37 PM CDST
- Hearing aids work by amplifying the sounds we hear.
- Cheap hearing
aids amplify all sounds, they work like the volume control on a
stereo.
- More expensive hearing aids only amplify some of the sounds.
- They amplify the ones you have trouble hearing.
- They work like a
graphic equalizer on a stereo, allowing you to amplify selected
frequencies.
- They can also filter out background noises.
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