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Amazon.com: Dayton Audio SUB-800 8" 80 Watt Powered Subwoofer : Electronics
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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 : Clothing, Shoes & Jewelry
Amazon.com: Alpine Electronics PWE-S8 Restyle Compact Powered 8-Inch Subwoofer , black
