Product Overview
FM Plus Large-area Dual FM and Wi-Fi assistive listening system with 12 FM R37 receivers. System includes: (1) FM T55 transmitter, (12) PPA R37N receivers, (12) EAR 022 surround earphones, (3) NKL 001 neckloops, and (1) IDP 008 ADA wall plaque. Replaces FM 457-12
General Information
Name : Williams AV FM 557-12 FM+ Large-Area Dual FM and Wi-Fi Assistive Listening System with (12) R37 Receivers , Williams AV
Category : Pro Assistive Listening Devices
UPC Code : 707976001351
Specifications
General Information
ADI Part Number : WS-FM55712
Brand Name : Williams AV
Manufacturer : Williams AV, LLC
Manufacturer Part Number : FM 557-12
Product Model : FM 557-12
Product Name : FM+ System Package (12 R37 Receivers)
Product Type : Wireless Microphone System
Weight (Approximate) (g) : 130.4, 1451.5, 15, 42.52
Technical Information
Maximum Frequency Response (Hz) : 16000
Maximum Operating Frequency (Hz) : 75900000
Minimum Frequency Response (Hz) : 31
Minimum Operating Frequency (Hz) : 72100000
Operating Range : 997.38 ft
Operating Range (mm) : 304000
Audio
Maximum Frequency Response : 16 kHz
Minimum Frequency Response : 31 Hz
Shipping Weight (Approximate) (g) : 1233.77, 2286.1, 249.47, 45.35, 68.03, 77.11
Signal to Noise Ratio (SNR) : 67 dB
Signal to Noise Ratio (SNR) (dB) : 67
Battery Information
Battery Chemistry : Alkaline, Nickel Metal Hydride (NiMH)
Battery Run Time : 32 Hour, 50 Hour
Battery Run Time (Second) : 115200, 180000
Battery Size Supported : AA
Number of Batteries Supported : 2
RCA : Yes
Interfaces/Ports
Mini-phone : Yes
XLR : Yes
Network & Communication
Maximum Operating Frequency : 75.90 MHz
Minimum Operating Frequency : 72.10 MHz
Physical Characteristics
Depth : 8.25"
Depth (mm) : 209.55
Height : 1.72"
Height (mm) : 43.68
Shipping Height : 3.5"|1"|0.85"
Shipping Height (mm) : 21.59, 25.4, 88.9
Shipping Weight (Approximate) : 5.04 lb|0.17 lb|0.55 lb|0.15 lb|2.72 lb|0.1 lb
Shipping Width : 10.5"|0.17"|3.1"|4.4'|4.3"
Shipping Width (mm) : 109.22, 111.76, 266.7, 4.31, 79.74
Weight (Approximate) : 1.5 oz, 15 g, 3.2 lb, 4.6 oz
Width : 8.45"
Width (mm) : 214.63
Power Description
Input Voltage : 100-240V AC
Input Voltage (V AC) : 100-240
Product Information
Length : 18.5"
Length (mm) : 469.9
Warranty
Limited Warranty : 2 Year
Limited Warranty (Second) : 63070000
Miscellaneous
Environmental Certification : RoHS 3, WEEE
Environmentally Friendly : Yes
Package Contents : <ul> <li>1 x FM T55 transmitter</li> <li>12 x PPA R37N Receivers</li> <li>12 x EAR 022 Surround Earphones</li> <li>3 x NKL 001 Neckloops</li> <li>1 x IDP 008 ADA Wall Plaque</li> <li>AA Alkaline Batteries (BAT 001-2)</li> </ul>
