Williams AV FM+ 558 Assistive Listening System for Dual FM and Wi-Fi Transmission (4 Receivers)

Williams AV FM+ 558 ADA Compliant Assistive Listening System

The FM+ 558 system is a turnkey assistive listening solution, combining an FM+ C transmitter and four R38 receivers for seamless FM and Wi-Fi audio streaming. Ideal for small venues seeking an ADA-compliant solution for clear and accessible audio.

At its core, the FM T55C dual FM and Wi-Fi broadcast transmitter is easy to install and cost-effective, delivering high sound quality with DSP audio processing. It features an intuitive OLED display and network control for seamless integration and management.

The R38 multi-channel receivers include an OLED screen for easy, on-screen channel selection of 17 pre-set wideband frequencies (72.1 – 75.9 MHz). The system is fully expandable to accommodate any number of listeners and meets 2010 ADA guidelines for hearing assistance. To support accessibility, the system includes an ADA wall plaque, helping venues promote their assistive listening system to visitors.

• Combines FM and Wi-Fi audio streaming from a single device
• Includes (1) FM T55C transmitter and (4) R38N receivers
• Compatible with smartphones via the WaveCAST app for wireless listening
• Multiple digital audio input options
• OLED display and network control for easy setup and monitoring
• Fully expandable to support an unlimited number of receivers
• Meets ADA hearing assistance requirements
• Includes ADA wall plaque for venue compliance signage

FM+ User Manual

FM 558 Data Sheet

FM+ Quick Start Guide

FM T55C Data Sheet

FM T55C Manual

PPA R38N Data Sheet

• (1) FM T55C Transmitter
• (4) PPA R38N Receivers
• (4) EAR 022 Surround Earphones
• (2) NKL 001 Neckloops
• (1) IDP 008 ADA Wall Plaque