Pyle PLQB10 500W Car Audio Speaker Subwoofer Bandpass Enclosure System (2 Pack) - Walmart.com
Velodyne DEQ-8R Class D Powered subwoofer with remote - electronics...
Audible Illusions Home Theater & Pro Audio - The e112's subwoofer driver features a radical,deep architecture, designed to create a highly linear,mechanical action. The DMA-Optimized motor design offers enough linear excursion to