'Speaker send amplified sound' presentation slideshows

Hearing aid

.The Most hearing aids to the share several of similar electronic components, including a microphone to that the picks up the sound; amplifier circuitry to that makes the sound louder and the miniature loudspeaker (receiver) that the delivers to the amplified sound to the ear canal and batteries that of power the electronic parts.Hearing aids differ by design to the technology used to the achieve of the amplification.

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