Hearing Aids

An overview of information on hearing aids, product styles, and hearing aid technologies.

Hearing aids are small electronic devices that you wear in or behind your ears. They make some sounds louder so that you can listen, communicate and participate more fully in daily activities. If you have hearing loss, hearing aids can help you hear more clearly in both quiet and noisy situations.

Hearing Aid Styles

Today’s hearing aids come in many different shapes and sizes and have achieved CD quality sound. A hearing aid has three basic parts: a microphone, amplifier and receiver. It receives sound through a microphone, which converts the sound waves to electrical signals and sends them to an amplifier. The amplifier increases the power of the signals and then sends them to the ear.

Completely-in-the-Canal (CIC)

This is the smallest custom-made hearing instrument. The shell is designed to fit discretely inside your ear canal. These devices may be limited in the number of programs and options.

Suitable for Mild to Moderate Hearing Loss

In-the-Canal (ITC)

This hearing instrument is custom-made to fit your ear. It is slightly larger than the CIC and may provide access to multiple listening programs. ITC instruments may be easier to manipulate than CICs, though they are still small.

Suitable for Mild to Severe Hearing Loss

In-the-Ear (ITE)

This style is custom-made and fills your entire outer ear. A full shell ITE provides access to telecoil and multiple listening programs. Larger batteries and controls make this model easy to handle.

Suitable for Mild to Severe Hearing Loss

Open-Fit Behind-the-Ear (BTE)

The microphone and tubing of this hearing instrument are hidden in the ear’s natural contours, so the instrument is virtually invisible in the ear. Multi-venting allows air to travel freely in and out of the ear, ensuring an open, comfortable fit that makes your voice sound as natural as possible.

Suitable for Mild to Moderate Hearing Loss

Behind-the-Ear (BTE)

This style fits behind your ear and comes in a variety of sizes and colors. It is attached to a slim tube or an earmold that is custom-made for your ear.

Suitable for Mild to Profound Hearing Loss

Hearing Enhancement Products

HearUSA offers a large variety of the latest hearing enhancement products including tele-caption devices, pocket talkers, telephone and television (TV) amplifiers, special alarm clocks, doorbells, fire alarms and more. Visit the Hearing Store to see what is available to enhance everyday life for people with hearing loss. If you are uncertain if you or a loved one has a hearing loss, take our Instant Hearing Evaluation to quickly hearing. diagnosis and should not be used to determine a final course of action other than seeking further evaluation by a hearing care professional.


Hearing Technology

HearUSA offers a large variety of the latest hearing enhancement products including tele-caption devices, pocket talkers, telephone and television (TV) amplifiers, special alarm clocks, doorbells, fire alarms and more. Visit the Hearing Store to see what is available to enhance everyday life for people with hearing loss.

Digital Circuit: A circuit able to match individual hearing requirements and filter out unwanted sounds.

Compression addresses the need to provide a comfortable range of amplified hearing, particularly for loud sounds. In trying to make soft and average sounds loud enough to be heard, loud sounds may become uncomfortably harsh and loud. Compression technology limits the amount of amplification at certain levels, making the listening experience more comfortable for the hearing aid user.

Directional Technology: The ability to focus sounds coming from the front and reduce surrounding sounds.

Compression addresses the need to provide a comfortable range of amplified hearing, particularly for loud sounds. In trying to make soft and average sounds loud enough to be heard, loud sounds may become uncomfortably harsh and loud. Compression technology limits the amount of amplification at certain levels, making the listening experience more comfortable for the hearing aid user.

Compression Technology: The reduction of sound in an environment, in order to hear a whisper and also endure any loudness, simultaneously.

Compression addresses the need to provide a comfortable range of amplified hearing, particularly for loud sounds. In trying to make soft and average sounds loud enough to be heard, loud sounds may become uncomfortably harsh and loud. Compression technology limits the amount of amplification at certain levels, making the listening experience more comfortable for the hearing aid user.


Instant Hearing Evaluation for Yourself or a Loved One

Use the Instant Hearing Evaluation to see if you or a loved one may be experiencing some degree of hearing loss. Be sure to evaluate each question carefully and answer honestly. The questionnaire represents only a portion of the actual evaluation questions HearUSA uses to build a diagnosis and should not be used to determine a final course of action other than seeking further evaluation by a hearing care professional.

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