The issue for me has been the poorly designed and placed speakers on two recent Sony TVâs purchased over the past few years. The sound seems âmuffledâ to me so word recognition is worse than usual. With the older TV I have used our existing home entertainment center with center and front main speakers; that works well with no other devices between speaker and HAâs.
The newer TV is a 55 inch model in the dining area. We use a Yamaha YAS 107 sound bar (entry model) connected to that TV with an optical cable. For me the sound bar approach improves my TV watching/listening experience although I think an upscale Yamaha model with front firing speakers and an external woofer could further improve the experience. BTW no additional devices between sound bar out put and HA input
So to answer your question, it has certainly been my experience that a sound bar with a new TV can certainly improve the sound. But its very much a personal experience.