Connect the hub to a computer using a USB-C to USB-A cable, and then the computer will recognize the hub as an audio device (one channel IN and one channel OUT).
The reason is that the channels is updated with the new version headsets. So first, we will need to upgrade all of the headsets firmware to the latest version by reference the link:https://www.hollyland.com/download/download-solidcom-c1-pro. and then reset the frequency to the same standard by reference the link:https://drive.google.com/file/d/1VHK_M3pd-KQQ0bOpN5ztWMKrQSmZ7CEM/view?usp=sharing
