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Williams Sound FM T55 WC2 Worship Communication System (Large Area)

350 foot range - up to 200 listeners - WiFi audio transmission

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What's in the box:

  • Williams Sound FM T55 WC2
  • FM+ Transmitter
  • (2) Ruckus Unleashed Outdoor Wireless Access Points
  • Wireless Access Point (WF WR10)
  • (2) Folding Stands for Access Points
  • Microphone with XLR Cable
  • Large heavy-duty carry case with pluck foam (CCS 042)
  • 2-year Limited Warranty

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Item Number 
Vendor Part
FM T55 WC2

Attend religious services in the safety of your own car

Williams Sound's FM T55 WC2 (WLS-FMT55WC2) FM Worship Communication System (Large Area) is for a 350 ft coverage area and supports up to 200 connected listeners. This kit of integrated products allows for churchgoers to attend regular worship in the safety of their own cars using their own smart phones or tablets. The Worship Communication System (FM T55 WC2) includes the Williams AV FM+ transmitter that processes the input signal from a microphone (XLR cable included) or mixed source. The signal is then carried via CAT5e or CAT6 to the Cisco Router wireless router (WF WR10), POE injector, and (2) Ruckus Unleashed Outdoor Wireless Access Points(WAP) - stands to elevate the WAPs are included in this kit. Users within the 350 ft range can access the content broadcast by the WAP; for a smaller area of coverage, see the FM T55 WC1.


  • Supports up to 200 connected listeners
  • 350 foot range
  • Simultaneously delivery WiFi audio transmission enabling people to listen to services on their own smart phone or tablet
  • FM+ Transmitter fits Standard 19” Rack, one EIA rack space high, 1/2 space wide

Serving professional communication needs worldwide since 1976, Williams AV offers digital, FM, infrared and induction loop wireless audio, as well as video annotation, presentation and conferencing systems.

Specifications for the Williams Sound FM T55 WC2

{ "FM T55": { "Dimensions": "8.45" W x 8.25" D x 1.72"H (21.5 cm x 21 cm x 4.4 cm)", "Weight": "Transmitter: 3.2 lbs (1.45 kg)", "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 wide1–2 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 ㎐. 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° F to +122° F (0° C to 50° C); Storage: -4° F to +158° F (-20° C to 70° C)", "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 (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address", "RF Section": "", "Operating Frequencies": "72.1-75.9 M㎐ , 17 wideband channels (selectable)", "Frequency Accuracy": "± 2 ppm stability, 0-50˚ C", "Deviation": "± 75 k㎐ 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. Starts when audio is below -18 dB level with no button pressed for selected duration.", "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 ㎐, ±3 dB (re: 1 k㎐, ±3 dB) (“Music” Audio Preset)", "Signal-to-Noise Ratio": "67 dB (typical) Transmited RF", "Total Harmonic Distortion": "Less than 0.25% @ 1 k㎐ (RF output)", "Common Mode Rejection": "Greater than 57 dB @ 1 k㎐, Mic or Line", "Audio Inputs": "(1x) Combination 3-pin XLR, ¼" (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 kΩ resistors to analog combo jack: Pin 2 and Pin 3 on XLR jack, or tip and ring on ¼" 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": "¼" TRS stereo jack, mono signal, 14.85 mW at +9dB, maximum in 33 Ω (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", "Input Levels (Bal or Unbal) (at Audio Input Gain = 0dB)": "Nominal (1st Amber + 3dB LED)Overload Warning (Displayed on Screen)Absolute Max. Rating*", "Nominal (1st Amber + 3dB LED)": "Overload Warning (Displayed on Screen)", "Microphone": "-55 dBV (1.7 mV RMS)-22 dBV (80 mV RMS)+20 dBV (10.0 V RMS)", "-55 dBV (1.7 mV RMS)": "-22 dBV (80 mV RMS)", "Line": "-25 dBV (55 mV RMS)+16 dBV (6.3 V RMS)+20 dBV (10.0 V RMS)", "-25 dBV (55 mV RMS)": "+16 dBV (6.3 V RMS)", "Approvals": "FCC, RoHS3, WEEE, Industry Canada", "Warranty": "2-year parts and labor", "NOTE: Specifications are subject to change without notice.* Stresses above these ratings may cause permanent damage or degrade reliability.": "" }, "WF WR10": { "Dimensions": "9.3” x 7” x 1.65” (236cm x 178cm x 42cm)", "Weight": "1.8 lbs. (0.82 kg)", "Standards Compliance": "2.4G㎐: IEEE802.11n, IEEE802.11g, IEEE 802.11b;5.xG㎐: IEEE 802.11n, IEEE 802.11a; 802.11acIEEE802.3, 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": "2.4G㎐: 1000Mbps; 5G㎐: 2167Mbps", "Frequency": "Concurrent 2.4G㎐ and 5G㎐", "Wireless Security": "WPA/WPA2-PSK, WPA/WPA2, AES", "Approvals": "CE, FCC, RoHS, IC, RCM", "Warranty": "Three (3) year, parts and labor" } }

Research Materials for Williams Sound FM T55 WC2 (WLS-FMT55WC2)

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FM T55 WC2 (WLS-FMT55WC2) System Installation

FM T55 WC2 (WLS-FMT55WC2) System Setup Diagram

FM T55 WC1 (WLS-FMT55WC1) Wave CAST App User Guide

Large Carrying Case (CCS 042) Specifications

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