Hi @Fabreal,
Welcome and thank you for posting here in the Roku Community!
We understand that you're having issues with the headphone audio on the Roku mobile app. We're happy to assist.
We would suggest that you refer to this support article on how to resolve an issue with Headphone Mode. Additionally, kindly give the following a try:
- Uninstall and install the Roku mobile app.
- Restart your Router and Roku device.
We hope this helps. Please keep us posted.
All the best,
Janadee
Nadee K.
Roku Community Moderator