2 Kicker 40CWR124 12" CompR12 Subs+Vented Enclosure+1000W Mono Amplifier+Amp Kit Kicker 40CWR124 12" CompR12 Car Subwoofer Rockville RXD-M3 4000 Watt/2000w RMS Mono Class D 1 Ohm Car Stereo Amplifier With Optical Coupler Technology CEA Power Ratings (Rated at less than 1 % distortion): 1000 Watts x 1 Channel at 1 ohm &lt;1% THD+N 750 x 1 Channel @ 2 Ohms &lt;1% THD+N, 550 @ 4 Ohms &lt;1% THD+N) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc) Rockville RWK4CU 4 Gauge 2 Channel Complete Car Amplifier Installation Kit 100% Pure Copper RCA Cables Rockville RDVB12 Dual 12" 1.75 cu.ft. MDF Vented/Ported Subwoofer Enclosure Box