Amazon.com : Sound Storm Laboratories LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great For Vehicles That Need Bass But Have Limited Space,
Amazon.com: Focal BOMBABP20 8” Subwoofer in a Band Pass, Amplified Enclosure, 1 x 300 W Class D : Electronics
Amazon.com: Focal BOMBABP20 8” Subwoofer in a Band Pass, Amplified Enclosure, 1 x 300 W Class D : Electronics