SVS PB-4000 (Black Ash) Powered subwoofer with app control at Crutchfield
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SVS - Reviewer for @soundstagenetwork shows off a stack of sealed cabinet SVS subwoofers - SB-2000 Pro, SB-3000 and SB-4000, ready for compare and contrast. #svs #sb2000pro #sb3000 #sb4000 #subwoofer #hifi #hometheater #
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