Assistive Listening : Assistive Listening Systems : Williams AV - IR SYS31-00

SoundPlus® T3 Portable Infrared Courtroom System

Model: IR SYS31-00

System Includes:
(1) IR T3 Medium-area Infrared Transmitter
(2) WIR RX22-4 Four-channel Infrared Receivers
(1) MIC 149 Omnidirectional Conference Microphone
(2) EAR 022 Surround Earphones

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This portable infrared audio system is designed for assistive listening and language interpretation in courtrooms, featuring the SoundPlus® T3 infrared transmitter.

Easily moved between rooms, the system includes a carry case for convenient transport with coverage of up to 32,000 sq ft (2,972 sq m). The table-top tripod securely mounts the T3 transmitter, providing a stable setup, while the omnidirectional conference microphone ensures clear audio capture throughout the room. Handheld receivers pick up the infrared signal, delivering audio through lightweight surround earphones or a mono neckloop, which transmits directly to T-coil hearing aids or cochlear implants.

System Includes:
(1) IR T3 Medium-area Infrared Transmitter
(2) WIR RX22-4 Four-channel Infrared Receivers
(1) MIC 149 Omnidirectional Conference Microphone
(2) EAR 022 Surround Earphones
(2) NKL 001 18" Mono Neckloops
(2) BAT 001-2 AA Alkaline Batteries
(1) IDP 008 ADA Wall Plaque
(1) CCS 029 Carry Case
(1) STD 007 Table-top Tripod
(1) TFP 061 Power Supply
(1) WCA 135 WC 12-foot Mono Cable

Warranty - Yes
Spec Sheet available - Yes

Dimensions: 9.0" W (229 mm) x 3.8" D (97 mm) x 1.4" H (36 mm)
Weight: 0.84 lb. (0.38 kg)
Power Supply: TFP 057 Desktop style international certified power supply with IEC line cord, 100-240 VAC input, 50-60 Hz, 18 W; 48 VDC output
DC Power Input: 2.1 mm ID barrel connector, 48 VDC, 0.2A, center positive
Power Indicator: Green LED
Sleep/Power Save Mode: Shuts off IR when no audio present for 12 minutes
Modulation: FM Wideband, ±50 kHz deviation max, 50 µS pre-emphasis
Baseband Frequencies: 2.3, 2.8, 3.3, 3.8 MHz
Coverage Area: Up to 32,000 sq. ft (2,972 sq. m) in single-channel mode with the RX22-4 receiver Up to 19,000 sq. ft (1,774 sq. m) with the RX20 stethoset receiver
Microphone Gain Adjust: Rotary 10 dB range
Microphone channel switch: Selects microphone input to Ch. A or Ch. B
Microphone Input: 3.5 mm, stereo jack with signal and bias connected to tip, electret microphone compatible (6 VDC bias supply with 2.7 k ohm series resistor)
Audio Inputs: Line inputs: Phoenix style connector jack for Ch A and Ch B accept line level, balanced or unbalanced audio
Audio Indicators: One yellow LED per channel. Lights up and stay on steady with minimum audio level
Signal-to-Noise Ratio: 70 dB (line input)
Frequency Response: 95 Hz to 17.6 kHz, -3 dB re 1 kHz (line inputs) 125 Hz to 17.0 KHz, -3 dB re 1 kHz (microphone input)
Mounting Kit: Wall or Ceiling mount: BKT 024 Omnidirectional mount
Compatible Receivers: WIR RX22-4, IR RX20
Operating Temperature (Maximum): 50 C
Operating Temperature (Minimum): 0 C
Farbe: Black
Warranty (Length/Type): 2 Years
Regulatory Compliance: CE, FCC, Industry Canada, WEEE, RoHS, CB Scheme, RCM, PSE
Tiefe: 96.52 mm
Height: 35.56 mm
Width: 228.60 mm
Product Weight: 0.38 kg

Infrared Courtroom System 254714 kb - Data Sheet

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