Monoprice Premium Select - Subwoofer - for home theater - 100 Watt - 8" - Walmart.com
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55-3210 - Multicomp Pro - Woofer with Paper Cone and Cloth Surround, 8", 100W RMS at 4 ohm
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HiFi 4" inch 100W Subwoofer Speaker Unit Bass Loudspeaker for Home Audio System | eBay
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