1. USB audio interface is not working after connecting?
We recommend replacing the USB-C cable to retest and check whether the connection is correct and firm.
2. How to confirm successful contact with your computer by USB-C cable?
You will find the device" USB ADVANCE AUDIO DEVICE " on your PC or Mac when you supply the power, please select it for sound input and output.
3. Does this USB audio interface make noise when use?
When connecting the USB cable, it is normal to hear the current sound with headphones, if there are other noises, you can try to re-plug or replace the cable.