In order to adjust the microphone level on a Legendary Collection Sound of Justice headset
- From the PS4 Home Screen, Scroll up to access the Home menu.
- Select [Settings]=> [Devices]=> [Audio Devices]=> [Microphone Level]
- You will now be able to see the Input Volume being given by your headset, adjust the Microphone Level bar to the desired setting.
- Scroll to OK and Press the X button