The Soundbar is Roku TV Ready certified. Connect the Soundbar to a Roku TV™ with the included HDMI cable and follow the on-screen setup instructions. TV equipped with an HDMI connector and compatible with the eARC (Enhanced Audio Return Channel) or ARC (Audio Return Channel). Turn on your soundbar. Now turn on your Roku TV. In the main menu of Roku TV’s interface, open the “Settings.”. Go to “System.”. Go to the. 1. Select Your Connection Method HDMI (ARC) HDMI and Optical digital audio cable Optical digital audio cable only Analog audio cable only Connect another device to your soundbar & TV 2. After your devices are connected, change the audio output settings. Turn on your TV. Turn on your Sound Bar.