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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-M400 INFRA RED TRANSMITTER 2.3/2.8MHz - (FOR LARGE ROOMS) 18-0021-000

IRT-M400 INFRA RED TRANSMITTER 2.3/2.8MHz - (FOR LARGE ROOMS)

Technical Specification
Model: IRT-M400 Transmitter - 2.3/2.8MHz
Order Code: 18-0021-000
Type: 3.2W IR Transmitter
Power Consumption: 15W
Modulation Frequency: Low Band 95kHz, 250kHz FM High Band 2.3MHz, 2.8MHz FM
Signal to Noise Ratio: >55dB
High Level Input (Transmitter): 20Hz - 20kHz 1V - 25V 10k ohm balanced 2-pole terminal block connector
Line Input (Transmitter): 20Hz - 20kHz 100mV - 2V 10k ohm balanced RCA and 3-pole terminal block connectors
Microphone Input (Transmitter): 50Hz - 12KHz 0.1mV - 100mV 600ohm balanced 12 Vdc phantom source XLR connector
Infra-Red Power, Coverage Area: 3.2W, 730m2
Baseband Signal Connector: BNC input and output
Colour: Black
Dimensions: W230 x H160 x D50mm
Weight: 2kg

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-M400 Transmitter is a 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. It is designed for rooms 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, but for example a Repeater Panel (IRT-400R) covering up to 730m2 can be used in conjunction with either the IRT-M110 transmitter or the IRT-M400 transmitter.

Please Note: Infra-red receivers operating in the low band (95kHz and 250kHz) can suffer from fluorescent lighting interference. In cases where high frequency fluorescent 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 rooms 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 fulorescent lighting interference. In cases where high frequency fluorescent 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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