Radio Frequency (ListenRF)

Front view of ListenRF's product family with two devices, two headsets, and the Assistive Listening signage.

ListenRF transmits sound over radio frequency directly to the listener’s ear without amplifying ambient noise for crystal clear audio and unsurpassed intelligibility. For additional information on the differences and applications for 72 or 216MHz (in North America), please refer to this 72 MHz vs 216 MHz Considerations Tech Note.