Polk Audio PSW108 Vs PSW10: Which Is Best For Bass?
User manual Polk PSW108 (English - 8 pages)
Amazon.com: Polk Audio PSW10 10" Powered Subwoofer – Power Port Technology, Up to 100 Watts, Big Bass in Compact Design, Easy Setup with Home Theater Systems, Timbre-Matched with Monitor & T-series Polk
Polk Audio PSW108 Powered Subwoofer - YouTube
Best Buy: Polk Audio PSW108 10" Powered Subwoofer, 100W Peak Power, Explosive Performance for Movies & Music Black PSW108