Do I have to pay a monthly subscription fee or similar to use mui? January 10, 2020 07:37 Updated Follow No, we don't have any subscription or monthly fees. Related articles Can I use multiple mui boards at my home? Do you ship to my country? Functions of the mui board (menu screen) How do I connect the mui board to the SONOS Smart Speaker? Installation of mui Comments 0 comments Please sign in to leave a comment.