The number of HDMI ports varies by LG TV model. Which HDMI port is ARC on a Samsung TV? On a Samsung TV, you'll see an HDMI port clearly labeled ARC on the back of the TV or One Connect box.

For HDMI ARC, you’ll need a TV with an HDMI ARC port, and a soundbar, AV receiver, or another audio device with a corresponding HDMI ARC port. You’ll also need an HDMI cable to connect these ...

No need for multiple volume controllers for the two different products – simply use your TV remote. However, most TVs only feature one solitary HDMI port marked with 'ARC', so you'll need to ...