If your PS4 shows video but it has no sound at all, the most likely reason for that is an incorrect setup. If not, there are a few other factors that you need to check. Wrong TV input. Normally, there ...
The DualShock 4 controller for the PlayStation 4 features an audio port to plug in your headset. Headsets are primarily intended for voice chat, but you can also use them as your primary audio output ...