FM Systems TV Listening Devices Sound Amplifiers Personal amplifiers are small, portable devices with strong amplifiers connected to a microphone, several different options are available depending on the listening need, and some type of ear coupling device, generally headphones or mini-earphone although many other couplers are available.
All personal amplifiers use direct coupling between the microphone, amplifier and ear coupler.
FM Systems Personal FM systems are designed for use by individuals in their personal lives. FM systems provide a great deal of portable and flexibility in meeting a person's hearing needs in difficult or demanding listening environments. The sound is picked up at the television, or other sound source - stereo, radio, etc., and transmitted across the room to the listener who has an infrared receiver. The information is carried on an infrared light beam. This method of sound transmission provides the highest quality sound to the listener.