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In’Tech BTE aids consist of a case, an earmold or dome and a connection
between them. The case contains the electronics, controls, battery,
microphone(s) and often the loudspeaker. Generally, the case sits behind
the pinna with the connection from the case coming down the front into
the ear. The sound from the instrument can be routed acoustically or
electrically to the ear. If the sound is routed electrically, the speaker
(receiver) is located in the earmold or an open-fit dome, while
acoustically coupled instruments use a plastic tube to deliver the
sound from the case’s loudspeaker to the earmold.
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