| | Polk Audio PSW10 12" Powered Subwoofer Single $120 at Vanns (less than 21.55 days ago) via Bensbargains.net  popularity score: 10 Vanns has the Polk Audio PSW10 12" Powered Subwoofer Single for $120 with free shipping. Built-in High Current Amplifier supplies all the good, clean power you need Adjustable Low-Pass Crossover, Phase Switch and Subwoofer Volume Control | ![]() |
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