Hello ABADDON_WOLFFE, Thank you very much for reaching out to us. I'm sorry to hear that you are having trouble with some sounds in Onslaught. If you haven't already, we recommend checking that all the audio settings in the in-game Settings are elevated. We also recommend checking the Sound section of your PlayStation Guide, to ensure the game is not favoring a different audio source and that the audio balance favors the game. If you are still unable to get audio in this part of the game, we recommend also trying to clear your console's cache. I've included a [url=https://help.bungie.net/hc/en-us/articles/360049199051-Clearing-the-Console-Cache]link[/url] to help you with this if needed.