Williams Sound FM 557-12 PRO FM+ Large Area Assistive Listening System

The Williams Sound FM 557-12 PRO FM Plus large-area dual FM and Wi-Fi assistive listening system comes with an FM T55 transmitter, 12 FM R37 receivers, 12 earphones, 3 neckloops, a 12-bay charger, 12 rechargeable batteries, and an ADA wall plaque. It also comes with a coaxial cable and rack panel kit for professional installation.

• For both FM and Wi-Fi Transmission
• Turnkey assistive listening system
• One FM T55 transmitter
• Twelve PPA R37N bodypack receivers
• Twelve EAR 022 surround earphones
• Three NKL 001 neckloops
• Two-bay charger kits with batteries
• Includes all necessary accessories
• High-quality audio and RF performance
• Control and monitoring over ethernet
• Multiple digital audio inputs

Spec Sheet

Wi-Fi Assistive Listening Brochure

• (1) FM T55 Transmitter
• (12) PPA R37N Receivers
• (12) EAR 022 Surround Earphones
• (3) NKL 001 Neckloops
• (1) CHG 3512 12-Bay Charger
• (12) BAT 026-2 AA NiMH Rechargeable Batteries
• (1) ANT 005 Remote Coaxial Antenna
• (1) IDP 008 ADA Wall Plaque
• (1) RPK 005 Rack Panel Kit