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Pyle 8'' Active Down Firing Subwoofer - Home Theater Surround Sound Black, Magnetic Design (BLACK) - Walmart.com
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Polk Audio PSW10 10" Powered Subwoofer, 100W Peak Power, Compact Design, Easy Setup with Home Theater Systems Black PSW10 - Best Buy
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Monoprice Sw-15 600 Watt Rms 800 Watt Peak Powered Subwoofer - 15in, Ported Design, Variable Phase Control, Variable Low Pass Filter, For Home Theater : Target
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