HI @Dick4,
A warm welcome here at the Roku Community!
We appreciate your interest regarding this matter.
For a list of Roku Audio products that can enhance the sound quality of your Roku TV, visit our Products page here.
For additional information on how to connect a surround sound system to your Roku TV, kindly click here.
Let us know if you have other concerns or inquiries you'd like us to address, and we'd be happy to help.
Best regards,
Janadee
Nadee K.
Roku Community Moderator