How to output audio from a device other than the TV by directly connecting it to Sound Bar using an HDMI cable.
There is no HDMI input terminal on Sound Bar, so you cannot output audio from a device other than the TV even if they are connected directly by HDMI cable.
If you want to output the audio of a device other than the TV, connect it to the TV's HDMI input terminal by HDMI cable and output the audio through the TV.