Soundbar Numbers Explained: 2.1, 3.1, 5.1, 7.1, etc. What Do They Mean? - YouTube
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Which of these is the better and why ? : r/Soundbars
What's the Difference Between a 2.1 and 3.1 Soundbar?
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TCL - S Class 3.1 Channel Soundbar w/ Wireless Subwoofer - Discounts for Veterans, VA employees and their families! | Veterans Canteen Service
Shop | LG SN8YG 3.1.2 Channel High Res Audio Soundbar