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Discussions sur la sonorisation

IR vs. UHF for Audio Communications

Have you ever wondered what the difference is between IR (Infrared) ​and UHF (Ultra High Frequency) wireless systems?  The critical difference between the two is whether the signals passes through solid walls (*1) or not.
IR systems send and receive "NON-through-wall signals" whereas UHF systems use "through-wall signals."

(*1) IR wireless pass through transparent surfaces such as glass walls and windows.





Advantages of IR Wireless System

Secure Communication
Secure communication is assured with IR wireless system. It prevents signal jamming, which is a common problem when you use a UHF wireless system.
An IR system is a great choice when used in a conference or classrooms where you want to keep the conversations confidential.  ​

No Interference
Even if the same communication channel is used in adjoining rooms, no interference can occur. 1,000 conference systems can be operated simultaneously with no interference (technically no limitation).​

Disadvantage of IR Wireless System

Sunlight and infrared noise from plasma screens etc. can interfere with infrared wireless systems.



TOA's IR Wireless Products







18.oct.2022 / Sound Basics