How to get the best audio quality from your TV’s built-in speakers
Before anything else, I should address the point that probably immediately popped into your head. Yes, external speakers will almost always sound better than internal ones. There are inherent space limitations to modern TVs that affect their acoustics, especially with anything light enough to mount on a wall. Even a 2.0-channel soundbar is likely to sound better, although you do need to shop carefully — a Sonos Ray is going to wipe the floor with a $50 model you picked up from Amazon or Walmart.