The Williams Sound FM+ PRO FM & Wi-Fi Assistive Listening System is a turnkey system designed to help individuals needing auditory assistance or language interpretation. It helps such users overcome background noise, reverberation, and distance from the sound source.

This system includes an FM T55 transmitter, which supports both FM and Wi-Fi, and works with both iOS and Android WaveCAST apps. Also included are 4 PPA R37N bodypack receivers, each featuring seek-button channel selection with access to 17 preset frequencies, as well as 4 EAR 022 surround earphones and 2 NKL 001 neckloops.

Ideal for large-group listening scenarios, the FM+ PRO provides crystal-clear sound anywhere within an operating range up to 1000'. The system is expandable with additional PPA R37N bodypack receivers (available separately) to accommodate any number of listeners. Also included is an ANT 005 coaxial antenna, an RPK 005 rack panel kit, an IDP 008 ADA wall plaque, and two BAT KT6 two-bay chargers with rechargeable batteries.