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The 3.1.3 speaker configuration for the LG 3.1.3 Channel SC9S Soundbar with Wireless Subwoofer, Dolby Atmos®, WOW Orchestra - Black, Model # SC9S, means that the sound bar has three up-firing speakers. the first [3] is for the left, center and right speakers in the main bar, the [1] is for the subwoofer, and the last [3] is for the up-firing speakers...^Ivan.
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