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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.
NiMH, 1.2 Volt, 1500 mAh
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)
1.1 lbs (0.5 kg)
Black, ABS plastic
Input: 6 VDC, 300mA, Center Positive.
Output: 100mA per bay.
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.
16 hours nominal *
2 Red LEDs - one for each bay. LEDs are lit when charging.
CE, FCC, RoHS
Heavy-duty, folding, mono headphones
20 - 20kHz
Max Power Input
96 dB @ 1kHz
EAR 035 (one pair)
0.6 lb (272 g)
6” W x 4.75” D (15 cm W x 12 cm D)
Front padded lip rests on TV. Adjustable arm with swivel lock supports rear of shelf.
Body-Pack, dual-lens detector, lanyard
4.1" L x 2.85" W x 1.2" H (104.1 mm x 72.4 mm x 30.4 mm)
4.5 oz (127 g) with batteries
Color and Material:
3 ft (0.91 m), allows receiver to be worn around the neck
-10° C to +50° C
2 x AA, alkaline (BAT 001-2) or NiMH (BAT 026-2)
Alkaline: 60 hours, NiMH: 30 hours/charge
25 mA, nominal
For use only with CHG 3512
Channel 1: 2.3 MHz, Channel 2: 2.8 MHz
Channel 3: 3.3 MHz, Channel 4: 3.8 MHz
60 dB min.
Receiver squelches (mutes) at 40 dB S/N ratio
25 Hz to 16 KHz, +1 dB, -3 dB, electrical response
Total Harmonic Distortion:
Less than 1%, electrical response
ON/OFF/VOLUME: combination thumbwheel knob
Channel Selector: four-position rotary switch
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
125 dB SSPL90 with HED 021; 110 dB SSPL90 w/ EAR 013
Better than 1 nW/cm2 for 40 dB signal-to-noise ratio
CE, FCC, RoHS, WEEE
5 years on receiver, 90 days on accessories
Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug, HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001
IR T01 S01
All Williams Sound headphones and earphones are compatible with this product.
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