Welcome to the Roku Community and thanks for posting regarding your inquiry of using Roku Wireless Speakers with your Roku TV.
Please be aware that when you connect Roku Wireless Speakers to your Roku TV and choose to play audio through the speakers, the TV speakers will be turned off.
Hope this provides clarification. If you have another inquiry in the future, please don't hesitate in posting in the Roku Community again.
Roku Community Moderator