Amazon.com: H YANKA 12 Inch Subwoofer - 12 Inch Paper Cone Subwoofer Car Audio, Black Aluminum Basket, Dual Voice Coil 4 Ohm Impedance 12 subwoofer, 1600W MAX Power 12 inch Competition Subwoofer : Electronics
DS18 IXS10.4D 10" Car Subwoofer 1200 Watts 4-Ohm DVC Shallow Mount. 10 shallow mount subwoofer. 10 inch shallow mount subwoofer
When it Comes to Subwoofer Specifications, Some Numbers Don't Matter