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Door staff@engadget.com (Max Miller) - 27 Sep 2026
Soundbars almost always underperform compared to real surround sound. That's not to say they have poor audio, but rather that they cannot blanket the listener in a bubble of three-dimensional sound the way a modern surround sound system composed of discrete speaker units can. Traditional 5.1-channel surround sound is difficult enough to approximate with a single soundbar. When you add Dolby Atmos and DTS:X into the equation, you also have to account for extra channels placed overhead.
Many soundbars make a mighty effort to overcome their physical limitations. If you've seen soundbars advertising Dolby Atmos surround sound capabilities, what actually happens is that the soundbar has some internal drivers (the part of a speaker that produces sound) pointed at an upward angle. The sound from those drivers bounces off of your ceiling and, ideally, back down to you, creating an Atmos-lite experience that's a bit more immersive. It's a neat trick, but it only works in perfect conditions. If your ceiling is arched, textured, has light fixtures or similar, the sound from those upward-firing speakers can get disrupted and fail to reach you.
If you have the right room, and if you place your Dolby Atmos soundbar correctly, you can begin to approximate what a real object-based surround sound system is like... in the same way you might begin to understand the taste of fruit by drinking a LaCroix. While almost any soundbar will bring a noticeable upgrade from your TV's built-in speakers, that's an extremely low bar (pun unintended).
In a blind test conducted by The New York Times, the paper of record found that pretty much everyone can tell the difference between a fancy soundbar and a custom surround sound array. When listening to the surround sound system, participants were better able to understand dialogue and to feel, well, surrounded by sound. The two catches were space and friction. Few participants said they'd buy the surround sound system over the soundbar, either because the former wouldn't fit well in their living room or because they weren't confident in their ability to install and set it up correctly.
Many soundbars make a mighty effort to overcome their physical limitations. If you've seen soundbars advertising Dolby Atmos surround sound capabilities, what actually happens is that the soundbar has some internal drivers (the part of a speaker that produces sound) pointed at an upward angle. The sound from those drivers bounces off of your ceiling and, ideally, back down to you, creating an Atmos-lite experience that's a bit more immersive. It's a neat trick, but it only works in perfect conditions. If your ceiling is arched, textured, has light fixtures or similar, the sound from those upward-firing speakers can get disrupted and fail to reach you.
If you have the right room, and if you place your Dolby Atmos soundbar correctly, you can begin to approximate what a real object-based surround sound system is like... in the same way you might begin to understand the taste of fruit by drinking a LaCroix. While almost any soundbar will bring a noticeable upgrade from your TV's built-in speakers, that's an extremely low bar (pun unintended).
In a blind test conducted by The New York Times, the paper of record found that pretty much everyone can tell the difference between a fancy soundbar and a custom surround sound array. When listening to the surround sound system, participants were better able to understand dialogue and to feel, well, surrounded by sound. The two catches were space and friction. Few participants said they'd buy the surround sound system over the soundbar, either because the former wouldn't fit well in their living room or because they weren't confident in their ability to install and set it up correctly.