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Replacement Subwoofer for Vizio SB3821-C6 Wireless 5.1 Soundbar System - $25 (Austin)
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Replacement wireless subwoofer for the Vizio SB3821-C6 2.1 channel sound bar system. Please note that this is for the subwoofer only and does not include the sound bar or any other accessories.
Cosmetically it is in good used condition with some scuffs from normal use. I don't have the matching sound bar to test the audio output, but I did plug it in and verified that it powers on and lights up properly. Because I can't fully test the wireless connection, it is being sold as-is.
Please double-check your model number to make sure this is the exact match for your system before buying.