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Amazon.com: Rockville RVP15W8 1000 Watt 15" Raw DJ Subwoofer 8 Ohm Sub Woofer 51OZ Magnet : Musical Instruments
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Amazon.com: Throttle Up TUC810112 8 Ohm Speaker, 25mm x 14mm Oval : Arts, Crafts & Sewing
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Amazon.com: Harmony HA-P15WS8 Raw Replacement 15" Pro PA 800W Subwoofer/Speaker 8 Ohm Woofer - 48oz Magnet : Musical Instruments
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