Williams Sound FM+ 577 PRO Dante Wireless Access Point System with 4x EAR-022 Surround Earphones

SKU: WSFM557PROD MFR: FM 557 PRO D WAP
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Key Features

  • Crystal-clear audio: FM+ 577 PRO ensures exceptional sound quality for all listeners.
  • Dante integration: Seamlessly integrates with existing Dante audio network systems.
  • Assistive listening system: Perfect for theaters, classrooms, and houses of worship.
  • Wireless access point: Provides reliable, secure wireless connectivity for audio devices.
  • Enhanced accessibility: Neckloops included for hearing aid users, improving experience.
  • Long transmission range: Reach up to 1000' with the included coaxial antenna for broad coverage.
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Williams Sound FM 557 PRO D WAP Specifications

General

General

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  • 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

  • Power On Indicator

    Push On / Push Off latching power button, backlit green indicates power On, backlight off indicates power Off, fading from bright to dark indicates Sleep Mode.

  • Temperature Range

    Operating: +32 Degree F to +122 Degree F (0 Degree C to 50 Degree C); Storage: -4 Degree F to +158 Degree F (-20 Degree C to 70 Degree C)

  • User Interfaces

    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' (100m); 10/100 Base-T IEEE 802.3 compliant, unique MAC address

  • Operating Frequencies

    72.1-75.9 MHz , 17 wideband channels (selectable)

  • Frequency Accuracy

    +/- 2 ppm stability, 32-122 Degree F (0-50 Degree 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' (304m) with ANT 005 coaxial antenna mounted on rear

  • RF Outputs

    1x #10-32 stud connector in center of unit (pcb mounted)

  • RF Transmit Indicator

    1 Green LED On Air Indicator

  • RF Power

    Up to 1000' (304m) with ANT 005 coaxial antenna mounted on reaFull, 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. Starts when audio is below -18 dB level with no button pressed for selected duration.

  • Color

    Black / Silver with silver legends on the front, white legends on the back

  • Dimensions (W x D x H)

    8.45 x 8.25 x 1.72" (21.5 x 21 x 4.4cm)

  • Weight

    3.2 lbs (1.45kg)

  • 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 (re: 1 kHz, +/-3 dB) ("Music" Audio Preset)

  • 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 Input

    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. Green LEDs indicate normal operating audio level peaks, Amber LEDS indicate close to overload peaks, Red LED indicates overload peaks

  • Headphone Output

    1/4" TRS stereo jack, mono signal, 14.85 mW at +9dB, maximum in 33 Ohm (level adjustable in menu 0 to -40 dB in 2 dB steps)

  • Line Output

    RCA jack (black), -10 dBV (.32 VRMS); Output impedance 100 ohms at +9dB

  • Approvals

    FCC, RoHS3, WEEE, Industry Canada

ANT 005 Remote Coaxial Antenna

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  • 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' (6.7m)

  • Active Antenna Length

    80" (203cm)

EAR 022 Surround Earphones

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  • Style

    Around-ear speaker

  • Plug

    3.5mm mono

  • Cord

    39" (99.06cm)

  • Driver Size

    0.9" (23mm)

  • Nominal Impedance

    32 Ohm

  • Frequency Response

    20 - 20kHz

  • Max Power Input

    30 mW

  • Sensitivity

    118 dB @ 1kHz

  • Weight

    0.52 oz (15g)

NKL 001 Neckloops

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  • Connector

    NKL 001: 3.5 mm mono plug
    NKL 001-S 3.5 mm stereo plug with ring disconnected

  • Impedance

    8-16 Ohms

  • Input Power

    500 mW max

  • Magnetic Field Strength

    25 mW input at 1000 Hz produces 1.7 A/m 6" above the center of loop 85microW input produces 0.1 A/m (IEC Standard)

  • Approvals

    RoHS, WEEE

  • Color

    Black

  • Length

    18.5" (47cm) cord

  • Weight

    1.5 oz (42.5g)

PPA R37N Receivers

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  • Battery

    2x AA Alkaline or 2x AA NiMH

  • Battery Life

    Two (2x) 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

    +32 Degree F to +122 Degree F (0 Degree C to 50 Degree C)

  • 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 microS

  • LED Indicator

    Power: Green; Low Battery: Flashes Green

  • AFC Range

    +/- 120 kHz

  • Sensitivity

    2 microV 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 max, peak into 16 ohms

  • Output Connector

    3.5 mm stereo / mono phone jack

  • Earphone

    Earbud-type with foam cushion, 3.5 mm plug, 32 Ohm

  • Auto Shut-off

    Enters sleep mode after approx 6 mins of no RF signal

  • Approvals

    FCC, Industry Canada, RoHS, WEEE

  • Battery Info

    Required, included

  • Battery Material

    Nickel metal hydride

  • Battery Type

    AA

  • Battery Quantity

    8

  • Color

    Black

  • Dimensions (H x W x L)

    4.1 x 2.85 x 1.38" (104 x 72 x 35mm)

  • Weight

    With batteries: 4.6 oz (130g)
    Without batteries: 2.6 oz (73g)

WF WR10 Wireless Access Point

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  • Standards Compliance

    2.4GHz: IEEE802.11n, IEEE802.11g, IEEE 802.11b; 5.xGHz: IEEE 802.11n, IEEE 802.11a; 802.11ac IEEE802.3, IEEE802.3u, IEEE802.3ab

  • Interface

    One 10/100/1000M WAN Port (Auto MDI/MDIX); Four 10/100/1000M LAN Ports (Auto MDI/MDIX); One USB 3.0 Port

  • Antenna

    Four 5dBi Detachable Omni-Directional Antennas

  • Power

    Input: 12VDC @ 3A

  • Max Power Consumption

    35W

  • Wireless Speed

    2.4GHz: 1000Mbps; 5GHz: 2167Mbps

  • Frequency

    Concurrent 2.4GHz and 5GHz

  • Wireless Security

    WPA/WPA2-PSK, WPA/WPA2, AES

  • Approvals

    CE, FCC, RoHS, IC, RCM

  • Dimensions (W x L x H)

    9.3 x 7 x 1.65" (236 x 178 x 42cm)

  • Weight

    1.8 lbs (820g)

About Williams Sound FM 557 PRO D WAP

The FM+ 557 PRO D WAP System features the Dante-enabled FM+ C transmitter, offering dual real-time FM and Wi-Fi audio with multiple digital inputs and easy management via third-party room controls.

The system includes four R37 receivers with surround earphones for clear, intelligible audio, a two-bay charger, and rechargeable batteries to keep it ready for use.

Also included are a wireless access point (WAP), coaxial antenna, rack panel kit, and Assistive Listening sign to promote the system in venues.


- FM+ C - FM and Wi-Fi Transmitter -
FM+ C is the first transmitter of its kind to offer an FM broadcast and Wi-Fi audio broadcast from a single input source. Whether using the FM+ C for assistive listening, language interpretation, or audio description, this "dual broadcast" technology gives users the option of listening to real-time audio stream on their smartphone or tablet using the free WaveCAST receiver app (iOS and Android) or use an available FM receiver from the venue.

The FM+ C has support for Telnet commands via an Ethernet port enabling AV professionals to control and monitor the FM+ C using third-party room control systems.


- R37 FM Receiver -
The R37 FM Receive features seek-button channel selection with access to 17 pre-set, wideband frequencies reserved for hearing assistance by the ADA. The receiver is compatible with all Williams Sound 72-76 MHz wide-band transmitters. No batteries or headphones are included.

Note: The Receiver requires a transmitter operating on 72-76 MHz. The Receiver is approved by the FCC for operation in U.S. Markets. The receiver cannot be used in all countries. Check with your government's radio regulations for 72-76 MHz operation.

Features
• Seek-button access to all 17 wideband frequencies in the 72-76 MHz bandwidth
• Channel-lock capability
• Battery-saving sleep mode
• Low-battery indicator
• Field tunable


- EAR 022 Surround Earphone -
Experience a secure fit with the Surround Earphone, designed to hang on the outside of the ear. Enjoy excellent sound quality with a 32 Ohm mono configuration. Ideal for mild hearing loss and low gain. Weighing just 0.04 lbs, this lightweight earphone ensures a comfortable and high-quality audio experience.

Features
• Hangs on outside of the ear
• Excellent sound quality
• 3.5mm mono plug
• 1m cord
• Monoaural
• 32 ohm
• Recommended for FM receivers and select IR receivers.
• Designed for individuals with mild and low gain hearing loss.


- 18" Mono Neckloop -
This mono neckloop is designed to be worn around the neck, allowing an audio signal from a hearing loop to be transmitted directly to a user's hearing aid or cochlear implant equipped with a T-coil switch. It features a mono plug. For a stereo plug, see the NKL 001-S. 3.5 mm plug, mono, 8 - Ohm. This neckloop is for users with moderate to severe hearing loss.

Safety Breakaway Feature
Integrated safety breakaway device. In the event the neckloop cord becomes entangled with an object in motion, the breakaway device will disconnect the neckloop from the user.

Features
• Integrated safety breakaway device
• 18" Cord
• Adult size
• 3.5mm plug
• monoaural
• 8-16 ohm
• Recommended for PockeTalkers, WF R1 receiver
• For individuals with moderate to severe hearing loss


- BAT KT6 Charger kit for body-packs, 2-bay -
3 Volt Dual Drop in Charger Kit with CHG 3502 and two (2) AA Bat 026-2 batteries. 7 x 5 x 2-1/16". 1.3 lbs.

For use with:
• PLR BP1 Loop receiver
• PPA R37 FM receiver
• PPA R38 FM receiver
• PPA T46 FM transmitter
• WIR RX22-4 Infrared receiver


- ANT 005 Remote Coaxial Antenna -
Remote Coaxial Antenna, 72-76 MHz FM, 22" overall cable length with last 80" being active antenna. Use with large-area FM transmitters. Works with optional 50' antenna extension (WCA 008 50). Shipping: 9 x 5 x 7", 1.0 lbs.


- IDP 008 ADA Wall Plaque -
Elevate visitor awareness of your hearing assistance offerings through the ADA Wall Plaque. Designed for your convenience, the included adhesive and stand offer versatile mounting choices. You can effortlessly hang it on a wall or window using the provided adhesive or use the provided stand to display it on a service counter or desk, ensuring clear communication of your ADA-compliant hearing assistance options available.

Sign dimensions are 10-3/8" (L) x 6-1/4" (W) x 1/8" (H).


- RPK 005 rack panel kit -
Rack Panel Kit. Mounts one transmitter or modulator (1/2 space product) in one IEC rack space.

For use with Wave Cast, FM Plus, MOD 232.


- WF WR10 Wireless Access Point -
Wireless Access Point for WaveCAST single-channel transmitters running in Unicast Mode only, supporting up to 45 users. Not for use with Multicast. This device is only available in certain pre-packaged systems.

Williams Sound FM 557 PRO D WAP Features

  • Dual FM + Wi-Fi Broadcast: The FM+ C transmitter simultaneously delivers audio via FM and Wi-Fi from a single input source, allowing users to listen through smartphones or FM receivers
  • Dante-Enabled & Third-Party Control: With Dante support and Ethernet-based Telnet commands, the system easily integrates into AV networks and can be managed via third-party room control systems
  • Complete Listening Kit with Four Receivers: Includes four PPA R37N receivers with seek-button tuning, earphones, rechargeable batteries, and a dual-bay charger-perfect for ADA-compliant assistive listening
  • Wireless Access Point for Wi-Fi Streaming: A dedicated wireless access point supports up to 45 users in Unicast mode, enabling reliable, real-time Wi-Fi audio streaming in large venues
  • Promotional & Installation Accessories Included: System comes with a coaxial antenna, rack mount kit, and ADA sign to support system deployment and promote awareness of assistive listening availability

Warranty Information

This product has a limited warranty of 24 months.

Product Documents

User Manual

Key Features

  • Crystal-clear audio: FM+ 577 PRO ensures exceptional sound quality for all listeners.
  • Dante integration: Seamlessly integrates with existing Dante audio network systems.
  • Assistive listening system: Perfect for theaters, classrooms, and houses of worship.
  • Wireless access point: Provides reliable, secure wireless connectivity for audio devices.
  • Enhanced accessibility: Neckloops included for hearing aid users, improving experience.
  • Long transmission range: Reach up to 1000' with the included coaxial antenna for broad coverage.

What's in the box:

  • FM-T55C Dante Transmitter
  • 4x PPA-R37N Receivers
  • 4x EAR-022 Surround Earphones
  • 2x NKL-001 Neckloops
  • 2x BAT-KT6 Two-Bay Chargers and Rechargeable Batteries
  • ANT-005 Remote Coaxial Antenna
  • IDP-008 ADA Wall Plaque
  • RPK-005 Rack Panel Hardware
  • WF-WR10 Wireless Access Point
  • User Manual
  • Williams Sound 2 Year Limited Warranty