Thanks for reaching out here in the Roku Community, @D726.
We understand that you're facing unintended behavior with the audio quality of your Roku. We are glad to assist you with this.
What troubleshooting steps have you tried so far? If you haven't tried any troubleshooting steps, try performing a System Restart by going to Settings > System > Power (if you don't see the Power Submenu, skip to System Restart) to see if it improves your current situation.
Please keep us updated, and don't hesitate to reach out if you need further help.
All the best,
Emman
Emmanuel-D.
Roku Community Moderator