Large Area Infrared Transmitter with Modulator


Infrared Transmitter

SKU: IR-TX4 Category:


The Two-channel Large Area Infrared Transmitter with Modulator combines an infrared modulator and transmitter, generating a wide exit angle for the infrared signal while providing a sleek and compact design that eliminates the need for rack space. It is ideal for use in large environments.

Transmissions are at a bandwidth of 2.3 and 2.8mHz. In 1-channel mode, the transmitter supplies areas of up to 9,688ft². Additional transmitters allow the receiving range to be increased.

A wall and ceiling mounting kit is included.


Additional information

Weight 2.42 lbs
Dimensions 12.8 × 16.2 × 2.95 in

For use in any situation where infrared systems can provide multiple listeners with clear sound:

• Conference and Meeting Rooms
• Cinemas and Theatres
• Courts
• Lecture Halls, Schools and Universities • Places of Worship

What is Included

• Large Area Infrared Transmitter w/ Modulator
• Wall/Ceiling Mounting Kit

Technical Data

Power Supply:
Primary: 230V~ 50-60Hz
Secondary: 28V DC

DC Input:
Low-voltage connector, 28V DC, center contact »negative«

Power Consumption:

Carrier Frequencies:
2.3 MHz (A-channel) and 2.8 MHz (B-channel)

Coverage Area:
9,688ft² (900m²) closed room

Audio Inputs:
Cinch (RCA) for left and right and/or A and B-channel

Microphone Input:
6.3mm stereo-jack plug

Input Impedance:
Audio-In: 18kΩ
Mic-In: 1.3kΩ

Trigger Voltage of Audio-In: 110mV

Input Level Display Mic-In: 1.5mV

Inputs/Outputs for Combined Mode:
Sync-in/Sync-Out Cinch (RCA) for left & right and/or A and B-channel

Input level-LEDs, one per channel.

Ambient Conditions:
0 – +40 °C ambient temperature (non-condensing, non-corrosive environment)

Mounting Types:
Wall or ceiling mounting kit included


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