Hearing aids convert sound into an electrical signal, which then goes to an amplifier and a receiver that converts the signal to sound waves and sends them into the ear. There are six common types of hearing aids, behind the ear, mini behind the ear, receiver in canal, in the ear, in the canal, and completely in the canal. Each has its own benefits and drawbacks, which we explore here.
Behind the ear (BTE): a small box sits behind the ear, connected by a plastic tube to a molded receiver in the ear canal.
PROS: Larger size makes it easier to handle and care for, BTE is the least expensive model.
CONS: Easily noticeable and gets in the way while using a phone.
Mini behind the ear (MBTE): similar to a BTE model, but smaller. Outer box sits behind the ear, connected by a plastic tube to an earbud.
PROS: no plastic mold required, leaves the ear canal open to natural sound
CONS: Gets in the way during phone use.
Receiver in Canal (RIC): Outer box sits behind the ear, connected by a plastic tube to an earbud or mold inside of the ear canal.
PROS: Superior sound quality, inconspicuous.
CONS: Gets in the way during phone use, more expensive than BTE/MBTE models.
In the Ear (ITE): Custom-made plastic mold sits in the outer ear.
PROS: Easy to handle and care for, can contain directional microphone, works well with phones.
CONS: Noticeable, can give a “plugged” feeling
In the Canal (ITC): Custom device fits just inside of the ear canal.
PROS: Inconspicuous, yet large enough for a directional microphone and volume control.
CONS: Prone to electrical feedback.
Completely in the Canal (CIC): Custom device fits completely inside of the ear canal.
PROS: Invisible, good with sound location and phone use.
CONS: Difficult to change batteries, prone to feedback, too small for directional microphone.
