Williams AV FM 557 PRO WAP Assistive Listening System Bundle - 4x PPA R37N RX & FM+ Transmitter - Wireless Access Point FM 557 PRO WAP

The Williams AV FM 557 PRO WAP system package is a complete turnkey solution. It includes 4 PPA R37N receivers and an FM+ transmitter for both FM and Wi-Fi transmission from the same box. The PRO bundle includes a wireless access point (WAP), 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 receivers 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.

Features:

• Professional audio inputs: 1/4"/XLR, phantom power, line level output jack.
• Audio presets -- hearing assistance, music, voice and custom
• 16-bit DAC provides 48Khz sample rate
• 10 segment LED bar graph
• Optional Dante input
• Single-channel audio streaming over Wi-Fi
• True professional audio interface
• Supports 45 users in unicast mode or 1500+ users in multicast mode.
• Works with free WaveCAST iOS or Android apps
• Up to 1000 foot operating range
• Adjustable RF power output
• Professional DSP audio platform
• Works with existing Williams Sound FM receivers

Specifications:

• Dimensions: 8.45" W x 8.25" D x 1.72"H
• Weight: Transmitter: 3.2 lbs
• Color: Black/Silver
• Rack Mount: Standard 19" Rack, one EIA rack space high, 1/2 space wide 1-2 units can be mounted in a single rack space with optional RPK 005 (single) or RPK 006 (double) Rack Mount Kits
• Power Supply: Desktop Style Transformer (TFP 062); Input: 100-240 VAC, 50/60 Hz. IEC Line Cord; Output: 24 VDC, 750 mA, 18W. 2.5mm ID center positive barrel connector
• Temperature Range: Operating: +32° F to +122° F; Storage: -4° F to +158° F
• User Interface: 3.12" High Resolution OLED display with selections via buttons. Hosted Web page. Remote control and monitoring.
• Dante: Only available on FM T55 D
• Ethernet: RJ-45 on back of unit supports CAT 5e cable lengths up to 328 feet; 10/100 Base-T IEEE 802.3 compliant, unique MAC address
  
  RF Section
• Operating Frequencies: 72.1-75.9 MHz , 17 wideband channels (selectable)
• Frequency Accuracy: ± 2 ppm stability, 0-50° C
• Deviation: ± 75 kHz maximum
• Pre-Emphasis: 75 microsec
• RF Field Strength: Does not exceed 80 mV/m at 3 m
• Compatible Antennas: ANT 005, ANT 021, ANT 024, or ANT 025
• Transmission Range: Up to 1000 ft (304 m) with ANT 005 coaxial antenna mounted on rear chassis connector
• RF Outputs: (1x) #10-32 stud connector in center of unit (pcb mounted) (1x) F-connector on rear chassis
• RF Transmit Indicator: 1 Green LED On Air Indicator
• RF Power: Full, Medium, Low or OFF indiacted by menu icon.
• RF Time Out (sleep mode): 30 min. duration, 4 hr. duration, or Always On selected via menu.
  
  Audio Section
• Audio Processor Functions: DSP based; Compression: 1:1, 1.5:1 or 2:1; High-pass and Low-pass Filter Frequency control
• Frequency Response: 31-16000 Hz, ±3 dB
• Signal-to-Noise Ratio: 67 dB (typical) Transmited RF
• Total Harmonic Distortion: Less than 0.25% @ 1 kHz (RF output)
• Common Mode Rejection: Greater than 57 dB @ 1 kHz, Mic or Line
• Audio Inputs: (1x) Combination 3-pin XLR, 1/4" (TRS) jack for balanced or unbalanced line level, or balanced or unbalanced microphone with selectable phantom power
• Audio Input Gain Adjust: In menu, adjustable to 0 to -50 dB, in 1dB steps
• Phantom Power: 14.4 VDC applied through 2.2 kOhms resistors to analog combo jack: Pin 2 and Pin 3 on XLR jack, or tip and ring on 1/4" TRS jack
• Audio Level Indicators: 10-LED array that reads -18 to +9 dB at 3 dB intervals. 7 Green, 2 Amber, and 1 red LED
• Headphone Output: 1/4" TRS stereo jack, mono signal, 14.85 mW at +9dB, maximum in 33 &Omega
• Line Output: RCA jack (black), -10 dBV (.32 VRMS); Output impedance 100 ohms at +9dB
  
  ANT 005
• Use with: PPA T45, PPA T55, PPA T55C, PPA T27 Transmitters
• Connector type: F-connector
• Cable type: RG 59 coax
• Nominal Impedance: 75 Ohm
• Total Cable Length: 22 ft
• Active Antenna Length: 80 in
  
  EAR 022
• Style: Around-ear speaker
• Plug: 3.5mm mono
• Cord: 39"
• Driver Size: 23 mm
• Nominal Impedance: 32?
• Freq. Response: 20 - 20kHz
• Weight: 15g
• Max Power Input: 30 mW
• Sensitivity: 118 dB @ 1kHz
  
  PPA R37N
• Dimensions: 4.1" x 2.85" x 1.38"
• Weight: 4.6oz (130g) with batteries. 2.6oz (73g) without batteries
• Color: Black
• Battery Type: (2) AA Alkaline or 2 x AA NiMH
• Battery Life: Two (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs
• (2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 hrs
• Current Consumption: 52mA nominal
• Temperature Range: -0 to 50C
• Channels 17, accessed via seek button in battery compartment
• Operating Freq.: 72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz*
• Intermediate Freq.: 75 kHz
• FM Deviation: 75 kHz
• De-Emphasis: 75 µS
• AFC Range: ± 120 kHz
• Sensitivity: 2 µV at 12 dB Sinad with squelch defeated
• Input Overload: 100 mV
• Frequency Response: 200-15 kHz
• Modulation: FM, +/- 75 kHz peak deviation
• Signal-to-Noise Ratio: 65 dB min @ 100 uV
• Receive Antenna: Integral with earphone/headphone cord
• Audio Output: 35 mW

Item Includes:

• 1x FM T55 transmitter
• 4x PPA R37N receivers
• 4x EAR 022 surround earphones
• 2x NKL 001 neckloops
• 2x BAT KT6 two-bay chargers and rechargeable batteries
• 1x ANT 005 remote coaxial antenna
• 1x IDP 008 ADA wall plaque
• 1x RPK 005 rack panel kit
• 1x WF WR10 Wireless Access Point