Solved
Setting the audio output to surround does not actually output in surround
Product: Battlefield 2042 Platform:PC Please specify your platform model. PC AMD or Nvidia Model Number RTX 2080 Enter RAM memory size in GB 64 GB Are you using any software with an overlay? No ...
They've fixed this issue on the latest patch (3.1). It's not included in the patch notes, but I just tested and it now works.
Keep in mind that this is 5.1 only. As stated in their options menu, the native mix is 5.1.
