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Williams Sound WIR SYS 7518
Infrared Assisted Listening System with (5) Stethoset Receivers

OUR PART #  WIR-SYS-7518-PRO

Our Price: $1,946.00
List Price: $2,162.00
You save 10%! (Low Price Guarantee)
In Stock

The Williams Sound WIR SYS 7518 system features the WIR TX75 infrared transmitter, ensuring participants in a conference room, courtroom, classroom or other mid-sized venue receive direct, clear communication of your message without sacrificing security. Includes comfortable, stethoset-style, WIR RX18 infrared receivers–ideal for single-or two-channel applications. The sleek and stylish TX75 is designed to maximize coverage area up to 4,000 square feet (transmitter with WIR TX75-S slave) in single-channel mode. One additional slave (sold separately) can be added for additional coverage of up to 2,000 square feet (for total coverage of up to 6,000 square feet). Placing additional slaves in the same room increases coverage and enhances freedom of movement. A single CAT-5 cable carries both power and signal to slaves–truly a one-cable connection. Mounting brackets and power supply are included.

Williams Sound WIR SYS 7518 Includes:

  • One (1) WIR TX75 infrared transmitter
  • One (1) WIR TX75-S slave emitter
  • Five (5) WIR RX18 stethoset-style, infrared receivers
  • One (1) CHG 518 five-bay, drop-in charger
  • One (1) BKT 024 wall / ceiling mount kt
  • One (1) MLB 003 slave linking bar
  • One (1) TFP 046 international power supply with WLC 004 U.S. mains AC plug
  • One (1) IDP 008 ADA wall plaque

Williams Sound WIR SYS 7518 Features:

  • Additional TX75-S slave emitter is available for use with the WIR SYS TX7518 (sold separately)
  • Front cover can be painted to match décor
  • Headset and body-pack receivers also available for use with WIR SYS TX7518 (sold separately)
  • Robust digital communication bus between master and slave unit reduces interference
  • Master unit has troubleshooting lights built in to simplify installation
  • Separate RCA audio inputs for each channel (2.3/2.8 MHz) accept balanced or unbalanced line level inputs; use together for stereo operation or separately for mono
  • Unit senses if only one channel is in use and doubles the output power on that channel for twice the coverage

Williams Sound WIR SYS 7518 Specifications:

  • WIR RX18:
    • Weight:  2.0 oz (56 g) with battery
    • Material and Color:  ABS plastic, Black and Grey
    • Battery Type, Life:  BAT AP07D NiMH Battery Pack, 7 hours
    • Operating Range:
      • Up to 3,063 sq ft (285 sq m) when used with the TX9 emitter or TX90 transmitter in single-channel mode
      • Up to 1,000 sq ft (93 sq m) when used with the TX75 in single-channel mode
    • Modulation Frequency:  2.3 MHz or 2.8 MHz or stereo
    • Frequency Response:  200 Hz - 8 kHz, +/- 5 dB
    • Signal to Noise Ratio:  60 dB at 10 m
    • Controls:  Volume Control Thumbwheel - 3-position selection switch (2.3 MHz, 2.8 MHz, stereo)
    • Acoustic Output:  120 dB MAX SSPL90 with 2 cc coupler
    • Compatibility:  Compatible with 2.3 MHz and 2.8 MHz IR transmitters, WIR TX900 and WIR TX925 systems
    • Battery Charger:  CHG 518
    • Power Switch:  Built into receiver “arms”
    • Ear pads:  Uses EAR 240 silicon eartips
    • Approvals:  CE, RoHS
    • Warranty:  5 years (90 days on battery)
  • WIR TX75:
    • Dimensions, Weight:  10.0" W (25.4 cm) x 3.1" D (7.9 cm) x 1.5" H (3.8 cm) w/o faceplate or 2.5" H (6.4 cm) w/faceplate, 0.6 lbs (0.3kg)
    • Color:  Black with silver colored silk screen and silver colored faceplate (Optional: white colored faceplate)
    • Power Supply:  Desktop style international power supply with IEC line cord, 100-240 VAC input, 50-60Hz, 24W; 48VDC output
    • DC Power Input:  2.5mm ID barrel connector, 48 VDC, 0.4A center positive
    • Power Indicator:  Green LED
    • Sleep/Power Save Mode:  Shuts off carrier when no audio is present for 3 minutes
    • Modulation:  FM Wideband, +/- 50kHz deviation max, 50 µS pre-emphasis
    • Carrier Frequencies:  2.3 MHz (Ch1) and 2.8 MHz (Ch2), Default at power on = carriers off. Carriers are automatically enabled upon presence of audio.
    • Emitter IR Power:  0.7 W
    • Master Only Coverage Area (minimum, 1-Ch mode):
      • 5,000 sq. ft in single-channel mode with the RX22-4 receiver (464 sq. m)
      • 3,000 sq. ft in single-channel mode with the RX15-2 receiver (279 sq. m)
      • 2,000 sq. ft in single-channel mode with the RX18 receiver (186 sq. m)
    • Audio Inputs / Controls:
      • Line Inputs:  RCA jack for Ch1 and Ch2 accept line level, balanced or unbalanced audio
      • Line In Balanced/Unbalanced Switch:  selects balanced or unbalanced line level audio for RCA jacks
      • Microphone Input:  3.5 mm, stereo jack with signal and bias connected to tip, electret microphone compatible (4 VDC bias supply with 2.7k ohm series resistor)
      • Microphone Gain Adjust:  Rotary potentiometer
      • Microphone Channel Switch:  Selects microphone input to Ch1 or Ch2
      • Audio Indicators:  Yellow LED blinks at nominal audio level. One per channel
      • Indicators On/Off:  2-position switch turns on/off indicator lights
      • “To Slave” Output/Input:  (2) 8p8c RJ45 connectors output 48VDC 0.4A power, baseband RF and a bi-directional RS-485 bus for control and status communications
    • Slave Status Indicators (on “to slave” jacks):
      • Green:  Power/Unit Status
      • Yellow:  Transmit/Cable Status
    • Signal-to-Noise Ratio:  70 dB, (line input)
    • Frequency Response:
      • 95 Hz - 17.6 kHz, -3dB re 1kHz (line inputs)
      • 125 Hz - 17.0 kHz, -3dB re 1kHz (microphone input)
    • Total Harmonic Distortion:  < 1% (1 kHz, nominal deviation, line or microphone input)
    • Operating Requirements:  0-50° C (32°-122°F)
    • Mounting Kit:
      • Wall or Ceiling mount: BKT 024 Omnidirectional mount
      • Optional: slave linking bar (MLB 003)
    • Warranty:  2 Years
    • Approvals:  CE, C-tick, FCC, Industry Canada, WEEE, RoHS, CB Scheme
    • Compatible Receivers:  WIR RX22-4, WIR RX18, WIR RX15-2
  • WIR TX75-S:
    • Dimensions, Weight:  10.0” W (25.4 cm) x 3.1” D (7.9 cm) x 1.5” H (3.8 cm) w/o faceplate or 2.5” H (6.4 cm) w/faceplate, 0.6 lbs (0.3kg)
    • Color:  Black with silver colored silk screen and silver colored faceplate (Optional: white colored faceplate)
    • Sleep/Power Save Mode:  Shuts off carrier when no audio is present for 3 minutes
    • Modulation:  FM Wideband, +/- 50kHz deviation max, 50 µS pre-emphasis
    • Carrier Frequencies:  2.3MHz (Ch1) and 2.8MHz (Ch2). Default at power on = carriers off. Carriers are automatically enabled upon presence of audio.
    • Emitter IR Power:  0.7 W
    • Slave Coverage Area (minimum, 1-ch mode, Note: Slave emitter cannot be used without a master transmitter, but if the slave emitter is aimed so that its coverage area does not overlap that of the master, on its own it will provide):
      • 5,000 sq. ft in single-channel mode with the RX22-4 receiver (464 sq. m)
      • 3,000 sq. ft in single-channel mode with the RX15-2 receiver (279 sq. m)
      • 2,000 sq. ft in single-channel mode with the RX18 receiver (186 sq. m)
    • Master + Slave Coverage Area (minimum, 1-ch mode) If slave transmitters are aimed to maximize coverage area (so that their coverage areas minimally overlap that of the master):
      • 10,000 sq. ft in single channel mode with the RX22-4, a master and (1) slave transmitter (929 sq. m)
      • 15,000 sq. ft in single channel mode with the RX22-4, a master and (2) slave transmitters (1,393 sq. m)
    • Indicators On/Off:  2-position switch turns on/off indicator lights
    • Signal-to-Noise Ratio:  70 dB, (line input)
    • Frequency Response:
      • 95 Hz - 17.6 kHz, -3dB re 1kHz (line input)
      • 125 Hz - 17.0 kHz, -3dB re 1kHz (microphone input)
    • Total Harmonic Distortion:  < 1% (1 kHz, nominal deviation, line or microphone input)
    • From Master Input:  8p8c RJ45 connector input provides 48VDC 0.4A power, baseband RF, and a bi-directional RS-485 bus for control and status communications.
    • Slave Extension Cable:  CAT-5e (or better) cable, maximum 100’ length, with RJ-45 8P8C male connector on each end, TIA568B
    • Slave Status Indicators (on “to slave” jacks):
      • Green:  Power/Unit Status
      • Yellow:  Transmit/Cable Status
    • Operating Requirements:  0-50° C (32°-122°F)
    • Mounting Kit:
      • Wall or Ceiling Mount:  BKT 024 Omnidirectional mount
      • Optional: slave linking bar (MLB 003)
    • Warranty:  2 Years
    • Approvals:  CE, C-tick, FCC, Industry Canada, WEEE, RoHS, CB Scheme
    • Compatible Receivers:  WIR RX22-4, WIR RX18, WIR RX15-2

Williams Sound WIR SYS 7518
Infrared Assisted Listening System with (5) Stethoset Receivers

OUR PART #  WIR-SYS-7518-PRO

Product Information:

The Williams Sound WIR SYS 7518 system features the WIR TX75 infrared transmitter, ensuring participants in a conference room, courtroom, classroom or other mid-sized venue receive direct, clear communication of your message without sacrificing security. Includes comfortable, stethoset-style, WIR RX18 infrared receivers–ideal for single-or two-channel applications. The sleek and stylish TX75 is designed to maximize coverage area up to 4,000 square feet (transmitter with WIR TX75-S slave) in single-channel mode. One additional slave (sold separately) can be added for additional coverage of up to 2,000 square feet (for total coverage of up to 6,000 square feet). Placing additional slaves in the same room increases coverage and enhances freedom of movement. A single CAT-5 cable carries both power and signal to slaves–truly a one-cable connection. Mounting brackets and power supply are included.

Williams Sound WIR SYS 7518 Includes:

  • One (1) WIR TX75 infrared transmitter
  • One (1) WIR TX75-S slave emitter
  • Five (5) WIR RX18 stethoset-style, infrared receivers
  • One (1) CHG 518 five-bay, drop-in charger
  • One (1) BKT 024 wall / ceiling mount kt
  • One (1) MLB 003 slave linking bar
  • One (1) TFP 046 international power supply with WLC 004 U.S. mains AC plug
  • One (1) IDP 008 ADA wall plaque

Williams Sound WIR SYS 7518 Features:

  • Additional TX75-S slave emitter is available for use with the WIR SYS TX7518 (sold separately)
  • Front cover can be painted to match décor
  • Headset and body-pack receivers also available for use with WIR SYS TX7518 (sold separately)
  • Robust digital communication bus between master and slave unit reduces interference
  • Master unit has troubleshooting lights built in to simplify installation
  • Separate RCA audio inputs for each channel (2.3/2.8 MHz) accept balanced or unbalanced line level inputs; use together for stereo operation or separately for mono
  • Unit senses if only one channel is in use and doubles the output power on that channel for twice the coverage

Williams Sound WIR SYS 7518 Specifications:

  • WIR RX18:
    • Weight:  2.0 oz (56 g) with battery
    • Material and Color:  ABS plastic, Black and Grey
    • Battery Type, Life:  BAT AP07D NiMH Battery Pack, 7 hours
    • Operating Range:
      • Up to 3,063 sq ft (285 sq m) when used with the TX9 emitter or TX90 transmitter in single-channel mode
      • Up to 1,000 sq ft (93 sq m) when used with the TX75 in single-channel mode
    • Modulation Frequency:  2.3 MHz or 2.8 MHz or stereo
    • Frequency Response:  200 Hz - 8 kHz, +/- 5 dB
    • Signal to Noise Ratio:  60 dB at 10 m
    • Controls:  Volume Control Thumbwheel - 3-position selection switch (2.3 MHz, 2.8 MHz, stereo)
    • Acoustic Output:  120 dB MAX SSPL90 with 2 cc coupler
    • Compatibility:  Compatible with 2.3 MHz and 2.8 MHz IR transmitters, WIR TX900 and WIR TX925 systems
    • Battery Charger:  CHG 518
    • Power Switch:  Built into receiver “arms”
    • Ear pads:  Uses EAR 240 silicon eartips
    • Approvals:  CE, RoHS
    • Warranty:  5 years (90 days on battery)
  • WIR TX75:
    • Dimensions, Weight:  10.0" W (25.4 cm) x 3.1" D (7.9 cm) x 1.5" H (3.8 cm) w/o faceplate or 2.5" H (6.4 cm) w/faceplate, 0.6 lbs (0.3kg)
    • Color:  Black with silver colored silk screen and silver colored faceplate (Optional: white colored faceplate)
    • Power Supply:  Desktop style international power supply with IEC line cord, 100-240 VAC input, 50-60Hz, 24W; 48VDC output
    • DC Power Input:  2.5mm ID barrel connector, 48 VDC, 0.4A center positive
    • Power Indicator:  Green LED
    • Sleep/Power Save Mode:  Shuts off carrier when no audio is present for 3 minutes
    • Modulation:  FM Wideband, +/- 50kHz deviation max, 50 µS pre-emphasis
    • Carrier Frequencies:  2.3 MHz (Ch1) and 2.8 MHz (Ch2), Default at power on = carriers off. Carriers are automatically enabled upon presence of audio.
    • Emitter IR Power:  0.7 W
    • Master Only Coverage Area (minimum, 1-Ch mode):
      • 5,000 sq. ft in single-channel mode with the RX22-4 receiver (464 sq. m)
      • 3,000 sq. ft in single-channel mode with the RX15-2 receiver (279 sq. m)
      • 2,000 sq. ft in single-channel mode with the RX18 receiver (186 sq. m)
    • Audio Inputs / Controls:
      • Line Inputs:  RCA jack for Ch1 and Ch2 accept line level, balanced or unbalanced audio
      • Line In Balanced/Unbalanced Switch:  selects balanced or unbalanced line level audio for RCA jacks
      • Microphone Input:  3.5 mm, stereo jack with signal and bias connected to tip, electret microphone compatible (4 VDC bias supply with 2.7k ohm series resistor)
      • Microphone Gain Adjust:  Rotary potentiometer
      • Microphone Channel Switch:  Selects microphone input to Ch1 or Ch2
      • Audio Indicators:  Yellow LED blinks at nominal audio level. One per channel
      • Indicators On/Off:  2-position switch turns on/off indicator lights
      • “To Slave” Output/Input:  (2) 8p8c RJ45 connectors output 48VDC 0.4A power, baseband RF and a bi-directional RS-485 bus for control and status communications
    • Slave Status Indicators (on “to slave” jacks):
      • Green:  Power/Unit Status
      • Yellow:  Transmit/Cable Status
    • Signal-to-Noise Ratio:  70 dB, (line input)
    • Frequency Response:
      • 95 Hz - 17.6 kHz, -3dB re 1kHz (line inputs)
      • 125 Hz - 17.0 kHz, -3dB re 1kHz (microphone input)
    • Total Harmonic Distortion:  < 1% (1 kHz, nominal deviation, line or microphone input)
    • Operating Requirements:  0-50° C (32°-122°F)
    • Mounting Kit:
      • Wall or Ceiling mount: BKT 024 Omnidirectional mount
      • Optional: slave linking bar (MLB 003)
    • Warranty:  2 Years
    • Approvals:  CE, C-tick, FCC, Industry Canada, WEEE, RoHS, CB Scheme
    • Compatible Receivers:  WIR RX22-4, WIR RX18, WIR RX15-2
  • WIR TX75-S:
    • Dimensions, Weight:  10.0” W (25.4 cm) x 3.1” D (7.9 cm) x 1.5” H (3.8 cm) w/o faceplate or 2.5” H (6.4 cm) w/faceplate, 0.6 lbs (0.3kg)
    • Color:  Black with silver colored silk screen and silver colored faceplate (Optional: white colored faceplate)
    • Sleep/Power Save Mode:  Shuts off carrier when no audio is present for 3 minutes
    • Modulation:  FM Wideband, +/- 50kHz deviation max, 50 µS pre-emphasis
    • Carrier Frequencies:  2.3MHz (Ch1) and 2.8MHz (Ch2). Default at power on = carriers off. Carriers are automatically enabled upon presence of audio.
    • Emitter IR Power:  0.7 W
    • Slave Coverage Area (minimum, 1-ch mode, Note: Slave emitter cannot be used without a master transmitter, but if the slave emitter is aimed so that its coverage area does not overlap that of the master, on its own it will provide):
      • 5,000 sq. ft in single-channel mode with the RX22-4 receiver (464 sq. m)
      • 3,000 sq. ft in single-channel mode with the RX15-2 receiver (279 sq. m)
      • 2,000 sq. ft in single-channel mode with the RX18 receiver (186 sq. m)
    • Master + Slave Coverage Area (minimum, 1-ch mode) If slave transmitters are aimed to maximize coverage area (so that their coverage areas minimally overlap that of the master):
      • 10,000 sq. ft in single channel mode with the RX22-4, a master and (1) slave transmitter (929 sq. m)
      • 15,000 sq. ft in single channel mode with the RX22-4, a master and (2) slave transmitters (1,393 sq. m)
    • Indicators On/Off:  2-position switch turns on/off indicator lights
    • Signal-to-Noise Ratio:  70 dB, (line input)
    • Frequency Response:
      • 95 Hz - 17.6 kHz, -3dB re 1kHz (line input)
      • 125 Hz - 17.0 kHz, -3dB re 1kHz (microphone input)
    • Total Harmonic Distortion:  < 1% (1 kHz, nominal deviation, line or microphone input)
    • From Master Input:  8p8c RJ45 connector input provides 48VDC 0.4A power, baseband RF, and a bi-directional RS-485 bus for control and status communications.
    • Slave Extension Cable:  CAT-5e (or better) cable, maximum 100’ length, with RJ-45 8P8C male connector on each end, TIA568B
    • Slave Status Indicators (on “to slave” jacks):
      • Green:  Power/Unit Status
      • Yellow:  Transmit/Cable Status
    • Operating Requirements:  0-50° C (32°-122°F)
    • Mounting Kit:
      • Wall or Ceiling Mount:  BKT 024 Omnidirectional mount
      • Optional: slave linking bar (MLB 003)
    • Warranty:  2 Years
    • Approvals:  CE, C-tick, FCC, Industry Canada, WEEE, RoHS, CB Scheme
    • Compatible Receivers:  WIR RX22-4, WIR RX18, WIR RX15-2
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