2) KICKER C154 Comp 15" 1000 Watt 2 Ohm Car Subwoofers Combo +Amplifier+Amp Kit MAX Power Handling: 500 Watts per sub (1000 Watts per pair) RMS Power Handling: 250 Watts per sub (500 Watts per pair) Designed to match perfectly with a single KICKER mono amplifier Worlds best subwoofer value, still under $100 Best sounding, loudest bass for the buck