The most direct, reliable way to link a soundbar to a TV is via an HDMI cable. Simply plug the soundbar into a power outlet ...

This tech requires an HDMI 2.1 cable to work, and is more reliable and faithful than ARC technology, ideal for setting up a comprehensive surround sound system.

HDMI’s ARC, or Audio Return Channel, can make your gear easier to use. Here’s how.

While HDMI is mostly known for video, it's also responsible for carrying audio. Depending on which port and HDMI version you use, you could be missing out on much better sound.