Rockville RV208P Dual 8" 800w Car Audio Subwoofers in Vented Sub Enclosure Box - Rockville Audio
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
Ultra Audio LV 8" 400 Watt Car Audio Subwoofer 800 Watts Max 4 Ohm USA Made | eBay