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 Williams AV FM+ 557 PRO D dual FM and Wi-Fi assistive listening system with Dante comes with an FM T55C D transmitter, 4 FM R37 receivers, 4 earphones, 2 neckloops, 2 BAT KT6 2-bay chargers with rechargeable batteries, and an ADA wall plaque. It also comes with a coaxial cable and rack panel kit for professional installation.
The FM+ 557 PRO D System is a professional-grade assistive listening solution featuring the Dante-enabled T55C transmitter, offering simultaneous FM and Wi-Fi audio broadcasts. Designed with integrators in mind, the transmitter includes an intuitive OLED display and robust network control features, while the included coax cable and rack panel kit streamline installation.
Ideal for venues prioritizing accessibility, the system comes with comfortable R37 receivers that offer simple tuning across 17 wideband FM frequencies (72.1–75.9 MHz), along with surround earphones and neckloops for users with t-coil hearing aids. Guests can also stream audio directly to their smartphones via the WaveCAST app or use optional WAV Pro receivers (sold separately). Fully ADA-compliant, the FM+ 557 PRO D ensures inclusive listening for all audiences.
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.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.