Assistive Listening Devices are products that can help individuals who have a hearing loss maintain their communication independence. Typically, a hearing aid makes all sounds louder, whereas an Assistive Listening Devices can increase the loudness of a desired sound.
For example, these devices can work together with hearing aids to amplify a radio, television set or alarm system; or they can turn an auditory alarm, such as a smoke signal, into a visual alarm, such as a strobe light.