Description
Small-area infrared system ideal for use as a small-area assistive listening system or for private TV listening in small conference rooms, hospital rooms, assisted living facilities, medical treatment centers and/or jury deliberation rooms. High-efficiency LEDs display power status and audio input. Power with A/C power supply or standard USB port on a TV. Plug-and-play install with 3.5MM audio input. One- or two-channel operation (2.3 and 2.8 MHz). Provides coverage area of up to 1300 square feet.
Information about our Loop and IR Products
system includes
(1) IR T1 small-area infrared transmitter
(1) TFP 055 power supply
(1) WCA 106 USB micro cable, 6 ft. (USB 2.0 to USB micro)
(1) WCA 124 adapter cable (3.5mm F to RCA)
(2) WIR RX22-4N infrared receivers
(1) STD 008 flat-panel TV mounting bracket
(2) HED 027 heavy-duty, folding, mono headphones
(1) NKL 001 Neckloop
(1) CHG 3502 two-bay body-pack charger
(2) BAT 026-2 AA NiMH batteries
features
High-efficiency LEDs display power status and audio input
Power with A/C power supply or standard USB port on a TV
Plug-and-play install with 3.5MM audio input
One- or two-channel operation (2.3 and 2.8 MHz)
Provides coverage area of up to 1300 square feet
specifications
bat 026-2
NiMH, 1.2 Volt, 1500 mAh
chg 3502
Dimensions:
4-7/8″L x 3-7/8″”W x 2″H (12.4 cm L x 9.8 cm W x 5.1 cm)
Shipping Weight:
1.1 lbs (0.5 kg)
Enclosure:
Black, ABS plastic
Charger Power:
Input: 6 VDC, 300mA, Center Positive.
Output: 100mA per bay.
Power Supply:
Williams Sound TFP 041 (US) or TFP 030 (International).
Input: 100-240 VAC, 50-60Hz, 0.5-0.3 A
Output: 6 VDC, 1.5 A.
Charging Time:
16 hours nominal *
Unit Capacity:
2 Units
Indicators:
2 Red LEDs – one for each bay. LEDs are lit when charging.
Warranty:
90 days
Approvals:
CE, FCC, RoHS
hed 027
Style
Heavy-duty, folding, mono headphones
Plug
3.5mm mono
Cord
39″
Driver Size
40 mm
Nominal Impedance
16Ω
Freq. Response
20 – 20kHz
Weight
102g
Max Power Input
100 mW
Sensitivity
96 dB @ 1kHz
Replacement Pads
EAR 035 (one pair)
std 008
Weight
0.6 lb (272 g)
Dimensions
6” W x 4.75” D (15 cm W x 12 cm D)
Material
Painted Steel
Color
Flat Black
Shelf support
Front padded lip rests on TV. Adjustable arm with swivel lock supports rear of shelf.
wca 106
0.05 lbs.
wir rx22-4n architectural and engineering specifications
The receiver shall be a body-pack type with IR detector lens behind face of the unit.The unit shall have a lanyard for hands-free operation.The receiver shall have a rotary-type volume control.The receiver shall operate for 60 hours with two AA alkaline batteries and for 30 hours per charge with NiMH AA batteries.The receiver shall be charged without battery removal via charger contacts in the case. A drop-in charger accessory shall recharge the batteries in 16 hours when used with CHG 3512 charger.The receiver shall be housed in an impact resistant plastic case with a hinged battery door that does not separate from the receiver.The receiver shall receive 2.3 MHz, 2.8 MHz, 3.3 MHz or 3.8 MHz modulated IR signals with 50 µS de-emphasis. The receiver shall have a 3.5 mm stereo phone jack and accommodate low-impedance mono or stereo earphones and headphones.The receiver shall accommodate neckloop telecoil couplers.The receiver shall provide 125 dB SSPL90 output with HED 021 headphone and 110 dB SSPL90 with EAR 013 earbud-type earphone.The system electrical frequency response shall be 25 Hz to 16 kHz, +1, -3 dB and the S/N ratio shall be 60 dB.The receiver shall have CE, FCC RoHS and WEEE approval. The receiver shall be covered by a five-year parts and labor warranty, excluding earphones, headphones, batteries and chargers.The receiver shall be the Williams Sound model WIR RX22-4.
wir rx22-4n
Receiver Style:
Body-Pack, dual-lens detector, lanyard
Size:
4.1″ L x 2.85″ W x 1.2″ H (104.1 mm x 72.4 mm x 30.4 mm)
Weight:
4.5 oz (127 g) with batteries
Color and Material:
Black
Lanyard:
3 ft (0.91 m), allows receiver to be worn around the neck
Operating Temperature:
-10° C to +50° C
Battery Type:
2 x AA, alkaline (BAT 001-2) or NiMH (BAT 026-2)
Battery Life:
Alkaline: 60 hours, NiMH: 30 hours/charge
Battery Drain:
25 mA, nominal
Charging Contacts:
For use only with CHG 3512
Carrier Frequency:
Channel 1: 2.3 MHz, Channel 2: 2.8 MHz
Channel 3: 3.3 MHz, Channel 4: 3.8 MHz
De-Emphasis:
50 uS
FM Deviation:
±50 kHz
Signal-to-Noise Ratio:
60 dB min.
Squelch:
Receiver squelches (mutes) at 28 dB S/N ratio
Frequency Response:
25 Hz to 16 KHz, +1 dB, -3 dB, electrical response
Total Harmonic Distortion:
Less than 1%, electrical response
Controls:
ON/OFF/VOLUME: combination thumbwheel knob
Channel Selector: four-position rotary switch
Indicators:
Red LED “ON” indicator, flashes to indicate Low battery
Audio Output Jacks:
3.5 mm stereo mini phone jack Accepts 3.5 mm mono or stereo phone plug
Audio Output Power:
15 mW max at 32 Ω
Acoustic Output:
125 dB SSPL90 with HED 021; 110 dB SSPL90 w/ EAR 013
Sensitivity:
Better than 1 nW/cm2 for 40 dB signal-to-noise ratio
Approvals:
CE, FCC, RoHS, WEEE
Warranty:
5 years on receiver, 90 days on accessories
Compatible Headphones/Earphones:
Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug, HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001
