what kind of amp power would i need 2 run a Pair Kicker S15L7 15" SoloBaric Car Subwoofer L7 4-ohm and what kinda of amp power would i need 2 run a Pair Kicker CVR15 Comp-VR 15" SubWoofers 4-OHM (i perfer the brand kicker BUT if not then what brand and i need some quotes on prices please)