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Infra Red Listening & Hearing Systems

Infrared assistive listening sysems consist of a transmitter and receiver.



Simply plug in your audio source (be that a microphone, TV, PA etc) and the tranmitter sends the signal via infrared to a matched receiver. Plug in a 3.5mm neckloop and the hearing aid user has a personal induction loop to assist hearing. An infrared listening system is one of the simplest, most secure methods of satisfying the requirements of the hearing impaired and the legeslation intended to protect them. The great advantage is the signal cannot spill over into other rooms and mulitple devices can be used and therby avoiding any radio licencing problems.

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IRT-400R INFRA RED REPEATER PANEL 2.3/2.8MHz - (EXPAND M100 or M400 SYSTEMS WITH ONE OR MORE REPEATERS) 18-0031-000

IRT-400R INFRA RED REPEATER PANEL 2.3/2.8MHz - (EXPAND M100 or M400 SYSTEMS WITH ONE OR MORE REPEATERS)

Technical Specification
Model: IRT-400R Repeater Panel - 2.3/2.8MHz
Order Code: 18-0031-000
Power: 24Vac (transformer 240V ~50Hz, 24V/48VA supplied) Transmitter automatically turns off 15 minutes after audio input signal stops.
Carrier Frequencies: FM wide band (deviation 25kHz nom 50kHz max) 50S pre-emphasis Low Band 95kHz 2kHz, 250kHz 2kHz, High Band 2.3MHz 2kHz, 2.8MHz 2kHz
Infra-red Power: 3.2W
Coverage: 732m2
Baseband Signal Connector: BNC input and output
Colour: Black

Our infra-red systems, of varying output power, are designed for use in the home, at reception and counter areas, for committee and conference venues, in care homes, churches and other places of worship, schools, colleges and other education establishments, halls, leisure centres and in larger complexes.

The IRT-400R is a larger venue, infra-red, low band or high band (95/250 kHz or 2.3 /2.8 MHz, switchable) Transmitter Repeater Panel, complete with power supply unit and wall-mount bracket. It is designed for use with either the IRT-M110 or the IRT-M400 infra-red assistive listening transmitter to extend signal coverage up to approximately 730m2.

The unit is equipped with a 1/4" threaded mounting hole and can be screwed to a photographic tripod stand for portable use, or it can be wall-mounted with the supplied mounting bracket. The transmitter is for use with suitable receiver modules to be purchased separately.

ADSworldwide offers a number of options to accommodate both increased room size and different room configurations. Please contact our technical staff for the best solution applicable to your specific needs.
Please Note: Infra-red receivers operating in the low band (95kHz and 250kHz) can suffer from florescent lighting interference. In cases where high frequency florescent and/or incandescent lighting are used (this includes modern energy-saving lamps) the infra-red signal may become unusable. In these cases use the high frequency infra-red systems operating above 2MHz.

Larger venue, infra-red, low band or high band (95/250 kHz or 2.3 /2.8 MHz, switchable) transmitter, complete with power supply unit and wall-mount bracket.
Designed for use with either the IRT-M110 or the IRT-M400 infra-red assistive listening transmitter to extend signal coverage up to approximately 730m2.
Equipped with a 1/4" threaded mounting hole for fixing to a photographic tripod stand for portable use.
Can be wall-mounted with the supplied mounting bracket.
For use with suitable receiver modules to be purchased separately.
ADSworldwide offers a number of options to accommodate both increased room size and different room configurations. Contact our technical staff for the best solution applicable to your specific needs.
Please Note: Infra-red receivers operating in the low band (95kHz and 250kHz) can suffer from florescent lighting interference. In cases where high frequency florescent and/or incandescent lighting are used (this includes modern energy-saving lamps) the infra-red signal may become unusable. In these cases use the high frequency infra-red systems operating above 2MHz.

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