This version requires the .DLL file from this mod to be installed: https://www.nexusmods.com/halothemasterchiefcollection/mods/1171?tab=files
It allows for using you to play as your custom Spartans or Elites.
Make sure campaign customization is enabled.

REQUIRED

You must install this or sounds won't work.

Install to the main Halo MCC folder, overwrite when asked.

As of update 6.0-Alpha-13 this is still the current version of the sound files.