Here is another add-on for your Roku system that takes your entertainment system to the next level. The Roku Wireless Bass is a slim subwoofer that brings you a deeper, fuller sound. It wirelessly pairs to Roku Streambar, Roku Streambar Pro, or Roku TV with Roku Wireless Speakers.
You will be able to interact with it using your Roku remote. The device comes with 802.11ac dual-band WiFi. More information is available here.