The appliance cost about $200 range.

http://www.metacafe.com/watch/yt-qNm9ORVm6to/six_million_dollar_man_selling_hearing_aids/

FM systems and assistive listening devices (ALDs) are not just used in theaters and churches anymore. It is your right under the Americans with Disabilities Act (ADA) to access needed modifications such as a taper recorder, preferential seating, a note taker or FM system.

PLEASE NOTE THAT BILATERAL HEARING AIDS IMPROVE LOCALIZATION AND AMPLIFIES SOUNDS… INCLUDING SOUNDS IN SPECIFIC FREQUENCIES BASED ON YOUR INDIVIDUAL AUDIOGRAM.
FM SYSTEMS JUST AMPLIFIES THE SPEAKERS VOICE WHICH REDUCES THE BACKGROUND NOISE.

There are several types of FM systems that can be used in the classroom. FM systems are composed of a FM transmitter and a receiver.

The FM transmitter or the microphone and its components are used by your professors. The idea is to increase the speech signal and to decrease the background or ambient noise that your hearing aids may pick up.

The FM receiver can be an ear level receiver such as hearing aid audio boots. A boot is a small sleeve that fits over the end of a BTE hearing aid. The boot inserts the audio signal into the hearing aids' Direct Audio Input (DAI) interface. Not all BTE hearing aids have an audio boot interface.
Other receivers include: headphones/ear buds (typically for children with CAPD or ADD), a desktop speaker or a sound field system located around the classroom (everyone benefits from this).

Depending on the type you buy, FMs can be fairly inexpensive to purchase. Here's just one of many links:

http://www.harriscomm.com/catalog/default.php?cPath=46_156

Disclaimer: Any information provided on this website, should not be considered medical advice nor a substitute for a consultation with your physician or audiologist. If you have a medical problem, contact your local physician for diagnosis and treatment.

once the hair cells are damaged they are damaged. there is no magical-medicinal cure for a sensory/ neural hearing loss.

buck up and get your self some hearing aids. if you have a high frequency loss. make sure they have directional microphones and at the very least 8 channels so the audiologist has greater programming ease.