6.01 Patch Notes came out and this is what it has for "Audio Issues" that were fixed

An issue when playing the opening movie for Endwalker wherein audio channels were switched, resulting in improper sound balance (PlayStation®4 and PlayStation®5 only).
An issue wherein selecting Logitech PRO-G 50mm under Sound Settings did not affect audio quality.
An issue wherein enabling Immerse Spatial Audio prevented sound effects from playing under certain conditions.
An issue wherein certain sounds do not play correctly under certain conditions.
* We expect sound issues created after the release of Patch 6.0 to be resolved via adjustments to the sound engine. Should you continue to experience sound-related issues, we recommend the following:
Open the Windows control panel, select your default audio device, and view properties. Then, under the Advanced tab, select a lower setting for the default format. (A lower bit rate and Hz range is less system intensive.)
Other minor text issues have also been addressed.

I'll have to give the settings adjustment a try if there's still popping.