Asus ROG Centurion Guide De Démarrage Rapide page 15

> 70 cm
ENC reduces the unwanted environmental noise that your headset's microphone
picks up, ensuring clear and audible communication with other people. For the
headset's optimal performance, ensure that you are more than 70 cm away from
the console box�
IMPORTANT! The ROG Centurion 7.1 Control Box is a plug-and-play audio device.
Depending on how your computer is configured, the 7.1 Control Box may or may not
automatically be selected as the default audio device. Hence, ensure that you select the 7.1
Control Box as your default audio playback/recording device if there is no sound.