Kicker Comp Dual 12" package with Kicker CX300.1 300 watt monoblock, grilles, and wiring kit Vicious KICKER Comp Loaded Enclosures dole out truckloads of affordable bass. All Comp Sub Boxes are vented for the most intense loudness. CX Series` Single-Channel Class D Car Amplifier Protective grilles and Amplifier Wiring kit included.