Williams AV FM+ 577 PRO WAP System | 4 Receivers, WAP & Install Accessories
Model: FM-557-PRO-WAP
About: Williams AV FM+ 577 PRO WAP System | 4 Receivers, WAP & Install Accessories
The FM+ 557 PRO WAP System is a turnkey Pro AV solution designed for seamless assistive listening. It includes the FM+ T55C transmitter, which delivers dual FM and Wi-Fi transmission from a single device, along with a four-pack of R37 receivers. To support professional installation, the system also includes a wireless access point (WAP), coax cable, and rack panel kit.
At the core of this system, the FM+ T55C transmitter offers multiple digital audio input options and an OLED display with intuitive navigation and network control. Each R37 receiver features easy seek-button channel selection, granting access to 17 selectable wideband frequencies (72.1–75.9 MHz) and the flexibility to accommodate any number of listeners.
An ideal solution for venues looking to provide ADA-compliant hearing assistance with both FM and Wi-Fi listening options.
Includes
- (1) FM T55 transmitter
- (4) PPA R37N receivers
- (4) EAR 022 surround earphones
- (2) NKL 001 neckloops
- (2) BAT KT6 two-bay chargers and rechargeable batteries
- (1) ANT 005 remote coaxial antenna
- (1) IDP 008 ADA wall plaque
- (1) RPK 005 rack panel kit
- (1) WF WR10 Wireless Access Point.
Reviews: Williams AV FM+ 577 PRO WAP System | 4 Receivers, WAP & Install Accessories
Warranty: Williams AV FM+ 577 PRO WAP System | 4 Receivers, WAP & Install Accessories
AVShop.ca Warranty:
30 Days
Manufacturer's Warranty:
Most systems: 2 years
PPA systems: Limited lifetime
Accessories: 90 days
Manufacturer's Warranty will cover parts, labour and return shipping back to you once repaired. Shipping into the service centre is not covered
For Quebec Residents - Disclosure under the Consumer Protection Act
In compliance with Bill 29, AVShop.ca and Williams AV do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Any applicable manufacturer warranties will remain in place.





















