BOSS Audio Systems BE8D Elite Series 8 Inch Car Audio Subwoofer - 600 Watts Max, Dual 4 Ohm Voice Coil, For Truck Boxes and Enclosures, Hook Up To Amplifier
GRS 8SW-4HE 8" High Excursion Subwoofer 4 Ohm
Pioneer New TS-A2000LD2 8-inch Shallow-Mount Subwoofer - Walmart.com
HERTZ 8 Inch Energy Subwoofer (ES 200.5) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek