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Williams Sound FM T55 WaveCAST 1-Ch Wi-Fi FM Plus Assistive Listening System Tx
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Williams Sound FM T55 WaveCAST Single-Channel Wi-Fi FM Plus Assistive Listening System Transmitter

SKU: WSFMT55
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Questions & Answers

FAQ

What is the FM T55 WaveCAST Single-Channel Wi-Fi FM Plus Assistive Listening System Transmitter?

It's a device that integrates professional WaveCAST Wi-Fi audio server technology with Williams Sound FM assistive listening systems. It allows users to listen through either a traditional FM receiver or their own smartphone using the WaveCAST Listening App.

What platforms does the FM Plus support?

The FM Plus is compatible with both iOS and Android devices through the new WaveCAST Apps. It also supports all current and legacy Williams Sound FM receivers operating within the 72-76 MHz bandwidth.

Can I adjust the settings of the FM Plus?

Yes, users can adjust most settings directly from the transmitter's front panel interface or through the hosted web interface for added convenience.

What is the Dante interface?

The Dante interface is an optional feature of the FM Plus that allows integrators to incorporate the device into comprehensive audio networking solutions.

Does the WaveCAST app work with FM broadcasts?

No, the WaveCAST app is not functional with FM broadcasts. It is designed to provide a focused and high-quality streaming experience for Wi-Fi users.

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Williams Sound FM T55 Specifications

General

General

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  • Color

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

  • 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 to +104 Degree F (0 Degree C to 40 Degree C)
    Storage: -4 to +158 Degree F (-20 to 70 Degree C)

  • User Interface

    3.12" High Resolution OLED display with selections via buttons. Hosted Web page. Remote control and monitoring

  • Ethernet

    RJ-45 on back of unit supports CAT 5e cable lengths up to 328 feet (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address

  • Approvals

    FCC, RoHS3, WEEE, Industry Canada

RF Section

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  • Operating Frequencies

    72.1-75.9 MHz , 17 wideband channels (selectable)

  • Frequency Accuracy

    +/- 2 ppm stability, 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 1000½½ (304 m) with ANT 005 coaxial antenna mounted on rear chassis connector

  • RF Outputs

    10-32 stud connector in center of unit (pcb mounted)
    F-connector on rear chassis

  • RF Transmit Indicator

    1 Green LED On Air Indicator

  • RF Power

    Full, Medium, Low or OFF indicated 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

Audio Section

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  • 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) Transmitted 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

    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 O (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

Audio Section Input Levels

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  • Microphone (at Audio Input Gain = 0dB)

    Nominal (1st Amber LED): -55 dBV (1.7 mV RMS)
    Overload Warning (Displayed on Screen): -15 dBV (180 mV RMS)
    Absolute Max. Rating: +20 dBV (10.0 V RMS)

  • Line (at Audio Input Gain = 0dB)

    Nominal (1st Amber LED): -25 dBV (55 mV RMS)
    Overload Warning (Displayed on Screen): +16 dBV (6.3 V RMS)
    Absolute Max. Rating: +20 dBV (10.0 V RMS)

Physical

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  • Dimensions (W x D x H)

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

  • Weight

    Transmitter: 3.2 lb (1.45kg)

Other

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  • UPC Code

    707976003881

About Williams Sound FM T55

Just unveiled, the FM T55 WaveCAST Single-Channel Wi-Fi FM Plus Assistive Listening System Transmitter represents the cutting-edge convergence of professional WaveCAST Wi-Fi audio server technology with the trusted reliability of Williams Sound FM assistive listening systems. This innovative device offers end users the unprecedented choice to engage with audio content through either a traditional FM receiver or the convenience of their own smartphone using the WaveCAST Listening App.

Crafted on a robust professional digital audio (DSP) platform, the FM Plus delivers outstanding audio quality that meets the demands of professional venues and their diverse audiences. The system's optional Dante interface further elevates its capabilities, allowing integrators to seamlessly incorporate the FM Plus into comprehensive audio networking solutions.

Designed with inclusivity in mind, the FM Plus caters to individuals who prefer a more discreet assistive listening experience by using their personal smartphones and headphones. At the same time, it maintains simplicity for users who opt for a conventional assistive listening setup with a dedicated FM receiver and headset. This dual-functionality ensures that venues are equipped to accommodate all guests without having to choose between FM or Wi-Fi assistive listening technologies.

The FM Plus is compatible with both iOS and Android devices through the new WaveCAST Apps, in addition to supporting all current and legacy Williams Sound FM receivers that operate within the 72-76 MHz bandwidth. Users can effortlessly adjust most settings directly from the transmitter's front panel interface or through the hosted web interface for added convenience.

While this particular model does not feature Dante compatibility, those seeking this functionality can explore the FM T55 D variant. The WaveCAST app, available for both iOS and Android platforms, provides an intuitive user interface where listeners can easily select their desired channel and volume level once connected to the Wi-Fi network. Please note that the app is not functional with FM broadcasts, ensuring a focused and high-quality streaming experience for Wi-Fi users.

The FM T55 WaveCAST Single-Channel Wi-Fi FM Plus Assistive Listening System Transmitter is a testament to Williams Sound's commitment to delivering versatile, high-quality audio solutions for all users in a variety of settings.

Williams Sound FM T55 Features

  • System 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
  • Wi-Fi Features
  • 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
  • FM Features
  • Up to 1000 foot operating range
  • Adjustable RF power output
  • Professional DSP audio platform
  • Works with existing Williams Sound FM receivers

Warranty Information

This product has a limited warranty of 24 months.

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Key Features

  • Engineered on a robust professional digital audio (DSP) platform for exceptional audio quality
  • Optional Dante interface for comprehensive audio networking solutions
  • Compatible with both iOS and Android devices through the new WaveCAST Apps
  • Supports all current & legacy Williams Sound FM receivers operating within the 72-76 MHz bandwidth

What's in the box:

  • FM T55 WaveCAST Single-Channel Wi-Fi FM Plus Assistive Listening System Transmitter
  • Williams Sound 2 Year Limited Warranty