Sony Xplod 1000 Watt Subwoofer ?

I got 2 Sony Xplod 1000 Watt Subwoofer , 40 each subwoofer 12" Xplod Series Car Subwoofer Peak: 1000 watts RMS: 300 watts Impedance: 4 ohm Sensitivity: 86 dB Frequency response: 30-1,000 Hz Single Voice Coil Polypropylene cone woofer Ferrite magnet Stroke stabilizer rubber surround 5-Sided cone with a dust cap-less design Mounting depth 5 3/4" Mounting diameter 11 1/8" Woofer Size 12" Type Enclosure / Single Voice Coil Peak Power (W) 1000W Rated Input Power (W) 300W Effective frequency range 30Hz-1000Hz Sensitivity 86 ± 2dB/W/m Diaphragm Injected Polypropylene (P.P) Magnet Ferrite Edge Rubber Stroke Stabilizer Yes