MTX Thunder5500 T5512-04 12" 4-ohm subwoofer at Crutchfield
Hanson Op-f Sw15/12-38a Car Audio Subwoofer Professional 12 Inch Subwoofer Speaker Speaker 12 Inch Bass 12 Inch Build 16 Years - Buy Hanson Op-f Sw15/12-38a Car Audio Subwoofer Professional 12 Inch Subwoofer