Polk Audio PSW110 (Black) Powered subwoofer at Crutchfield
Polk Audio React Wireless Subwoofer For React Series Sound Bar : Target
Lease-to-Own Polk Audio - PSW108 10" Powered Subwoofer, 100W Peak Power, Explosive Performance for Movies & Music - Black - ElectroFinance.com
POLK AUDIO Powered Subwoofer with 100 watt dynamic power PSW10 | Hawthorne
Polk Audio HTS 10 Powered Subwoofer with Power Port Technology | 10” Woofer, up to 200W Amp | For the Ultimate Home Theater Experience | Modern Sub that Fits in any Setting | Washed Black Walnut
Polk Audio DSW PRO 440 8" 180W Subwoofer (Black) DSWPRO440 B&H