Thanks to the latest Xbox One update, you can now add surround sound to your LS20 and LS30 and try a different type of surround sound with your LS40 by using Windows Sonic for Headphones.
1. Go into Settings > Display & sound> Audio output on the Xbox One and set Headset Format to Windows Sonic for Headphones.
2. Select Using HDMI or Optical audio headset:
3a. For LS20/30 if you feel you need more bass press your EQ Button until you are in bass boost mode.
3b. For LS40 press the EQ button until you hear "Stereo" or else the surround effect will not work correctly.