The audio receiver is located on the side with the microphone icon and a jack socket. The light indicates if the microphone has been properly installed. It does not indicate if the microphone has been muted or is recording.
Ensure your XPG headset has been set as the default audio device. Right click the sound icon on the taskbar. Select audio device (P) XPG High-Speed True HD Audio and set it as default (S).
Make sure the 3.5mm jack plug is completely inserted into the SOLOX F30. To provide enhanced transmission capabilities; the audio output socket is constructed with metal; and as a result?has a tighter fit. The tighter fit may cause the jack plug to appear to be completely plugged in.