12" inch Home Stereo Sound Studio WOOFER Subwoofer Speaker Bass Driver 8 Ohm Sub | eBay
12 Inch Subwoofer, Model Name/Number: B-SW12-500
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JB Systems SP12/200 Bass Speaker Con, Potenza 200 Watt : Amazon.it: Strumenti Musicali
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Black Mid Bass Speaker 12/400, For Mb 12"400, 400 Watt
Amazon.com: Pyle 12' Car Audio Speaker Subwoofer - 1600 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 40 Ohm, 60 oz Magnet, 2