No audio in Halo 2 MCC in campaign with co-op

So I am having an issue where there is no audio in Halo 2 anniversary in MCC while playing campaign Co-op. The menus have audio when I pause it. Other games in MCC work fine, and single player campaign works fine in Halo 2. I have a Xbox X, hooked up to a Marantz Receiver via HDMI. I have tried:

-Rebooting xbox with power cord pull.
-Reinstalling the game.
-Changing audio modes on the xbox to all possible options.
-Tried on a different OG Xbox one and still having the issue, and that was on a different tv that’s plugged right into the tv.

I have a Xbox X, hooked up to a Marantz Receiver via HDMI

Please don’t cross post topics, thanks. You already have a topic in the correct section
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