FAQ | What is the purpose of the infrared (IR) transmitter/receiver on the top/bottom of each LA108/LA112 loudspeaker’s grille?

Learn about the infrared transmitter/receiver on LA108/LA112 loudspeakers, and their purpose.

Updated at August 28th, 2023

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The IR transmitter/receiver provides a communication link between members of an array whether or not an Ethernet connection is used. This enables QSC AWARE™ to determine the number of loudspeakers in the array, as well as the location of each array member and its splay angle. It is from this data that AWARE can determine what Ar-Q™ Array Equalization to apply. In addition, the IR communication link allows settings for the entire array to be controlled from the Rear User Interface (RUI) of a single array member loudspeaker.