We are so confident in quality and reliability of Kicker product that we offer 2 Year Warranty with this Kicker 10C104 10 COMP Car Subwoofer instead of a standard 1 year warranty. You will get a full 1 Year manufacturer warranty through KICKER + a 1 Year VMInnovations Extended Warranty! This Kicker subwoofer is the best sounding loudest bass for the buck. The subwoofer is rated at 500 watt Max/150 watt RMS per subwoofer has single 4 ohm impedance high temp coil wire super rigid injection molded cone with 360 degree back bracing and much more.