Williams AV FM+ 557 Large Area Assistive Listening System for both FM and Wi-Fi Transmission (4 Receivers)
Usually arrives in 5-9 business days.
The FM+ 557-24 delivers ADA-compliant assistive listening for large-sized venues, providing crystal-clear, reliable audio that ensures accessibility for every guest.
At the core of the system is the FM T55C transmitter, which features multiple digital audio inputs, an intuitive OLED display, and full network control for easy setup and operation. It simultaneously broadcasts audio over FM (72–76 MHz) and Wi-Fi, giving users the flexibility to listen via traditional R37 receivers or their own smartphones using a dedicated app.
The 24 included R37 receivers offer simple channel selection through a seek button and access to 17 pre-set wideband channels (72.1–75.9 MHz), ensuring consistent and high-quality audio performance. Also included are 24 surround earphones for comfortable, over-ear listening and an ADA wall plaque to signal assistive listening availability. Fully expandable to support more users, FM+ 557-24 is a future-ready solution for enhancing accessibility in any venue.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.