FM Systems are advanced wireless assistive listening devices designed to improve speech understanding and hearing clarity for individuals who use hearing aids or cochlear implants. They can also provide significant benefits for people with hearing difficulties who do not regularly use hearing devices, especially in challenging listening situations such as classrooms, workplaces, meetings, conferences, restaurants, group discussions, and environments with high background noise.

FM stands for Frequency Modulation, a wireless communication technology that transmits sound signals directly from a microphone or audio source to a receiver worn by the listener. The main purpose of an FM system is to reduce the effects of common listening barriers, including background noise, distance between the speaker and listener, echoes, and poor room acoustics, which can make speech difficult to understand even for individuals wearing hearing aids or cochlear implants.

An FM system typically consists of a transmitter microphone used by the speaker and a receiver connected to the listener’s hearing device or headphones. The speaker’s voice is captured by the microphone and transmitted wirelessly to the receiver, allowing the listener to hear the speech signal more clearly and with less interference from surrounding sounds. By delivering the speaker’s voice directly to the listener, FM technology effectively improves the signal-to-noise ratio, making important sounds easier to detect and understand.