Hi @LBzzz,
Welcome to the Roku Community!
Thanks for reaching out about this audio issue you're having with your Roku devices. We'd like to learn if this is an issue within a single-channel or multiple-channel issue. Do you have any external audio devices?
We would also recommend checking some available resources for troubleshooting provided by our support page here on what to do if you do not hear sound from your Roku® streaming player.
Thanks,
Rey
ERey.
Roku Community Moderator