Amazon.com: Memphis Audio SRX1240 Street Reference Series 12" 500 Watts Peak Power 4 Ohm Car Subwoofer : Electronics
AVE Bassboy Powered 12″ Subwoofer – AVECorp
Velodyne DEQ-8R Class D Powered subwoofer with remote - electronics...
AVE Bassboy2 Powered 15″ Subwoofer – AVECorp
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