Sundown Audio SA 6.5" inch DVC Dual 2 Ohm (SA Series) Car Subwoofer 200 Watts RMS
Amazon.com: Sundown Audio SA-6.5 SW D2 6.5" 200W RMS Dual 2-Ohm SA Series Subwoofers : Electronics
Amazon.com: CT Sounds MESO-10-D2 3000 Watt Max 10 Inch Car Subwoofer Dual 2 Ohm : Everything Else
Amazon.com: DS18 Elite-Z ZR6.2D 6.5" Car Subwoofer 600 Watts Max Power Dual Voice Coil 2-Ohm Easy Mounting - High Performance Bass for Your Vehicle Sound System (1 Speaker) : Video Games