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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 Black : Electronics
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Polk Audio LSi9 Speakers (Pair) & PSW1000 Subwoofer (One) 2.1 Bookshelf/Stand-Mount with Subwoof Photo #1111141 - Aussie Audio Mart
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