If you’re getting a new TV, you probably should get a soundbar. In the quest for thinness, most TVs have had to sacrifice sound quality. Not all soundbars are the same. You can find options like the Vizio SB2920 for as cheap as $78 or the Sonos Arc way up at $799.
But what are you actually paying for if you go for the upgrade?
Better ‘bars mean better drivers and more channels.
One of the most important factors that determines the sound quality of a soundbar is its number of channels. Entry level soundbars tend to have two channels, a dedicated left and right channel for stereo sound. You can go way further than that though. A three-channel soundbar has an additional dedicated center, which helps with produce mid-range (and dialog) A five-channel soundbar is way more advanced, as it can manage to support actual surround sound. More channels, more immersive sound.
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https://gearpatrol.com/2020/07/02/whats-the-difference-between-cheap-expensive-soundbar/
