
Williams AV FM 557-12 PRO FM+ Large-Area Dual FM and Wi-Fi Assistive Listening System with (12) R37 Receivers
Williams AV FM 557-12 PRO FM+ Large-Area Dual FM and Wi-Fi Assistive Listening System with (12) R37 Receivers
- Turnkey Assistive Listening System
- 1 FM T55 Transmitter
- 4 EAR 022 Surround Earphones
- Turnkey Assistive Listening System
- 1 FM T55 Transmitter
- 4 EAR 022 Surround Earphones
- Turnkey Assistive Listening System
- 1 FM T55 Transmitter
- 4 EAR 022 Surround Earphones

Williams AV FM 557-12 PRO FM+ Large-Area Dual FM and Wi-Fi Assistive Listening System with (12) R37 Receivers
FM 557-12 PRO | WS-FM55712PR
Please sign in to view pricing and availability and to add to cart.
Product Overview
The FM 557 PRO system package is a complete turnkey solution. It includes 12 PPA R37N receivers and an FM+ transmitter for both FM and Wi-Fi transmission from the same box. The PRO bundle includes a coax cable, and rack panel kit for professional installation.
This system features the cutting edge PPA T55 transmitter (replacing the T45 FM transmitter) with multiple digital audio input options, and an OLED display with easy-to-manage navigation and network control features.
Each PPA R37N receiver features a seek button channel selection with access to 17 selectable wideband frequencies between 72.1-75.9MHz. The system is expandable, accommodating any number of listeners. This system complies with 2010 ADA guidelines for hearing assistance all for nearly the same cost as traditional FM systems.
Main Features
- Turnkey Assistive Listening System
- 1 FM T55 Transmitter
- 4 EAR 022 Surround Earphones
General Information
Specifications
-
ADI Part Number WS-FM55712PR Brand Name Williams AV Manufacturer Williams AV, LLC Manufacturer Part Number FM 557-12-PRO Product Model FM 557-12 PRO Product Name FM+ PRO System Package (12 R37 receivers) Product Type Assistive Listening System Weight 3.2lb
-
Application/Usage Screen Color Black, Silver Depth 8.25" Height 1.72" Material ABS Width 8.45"
-
Power Source AC, DC
-
Environmental Certification RoHS, RoHS 3, WEEE Environmentally Friendly Yes Package Contents - 1 x FM T55 Transmitter
- 12 x PPA R37N Receivers
- 12 x EAR 022 Surround Earphones
- 3 x NKL 001 neckloops
- 1 x CHG 3512 12-Bay Charger
- 12 x BAT 026-2 AA NiMH Rechargeable Batteries
- and more below