Rockville W12K9D4 12" 4000 Watt Car Audio Subwoofer+Mono Amplifier+Amp Kit

Package Includes: (1) Rockville W12K9D4 12"4000w Car Audio Subwoofer Dual 4-Ohm Sub CEA Compliant. (1) Rockville dB14 4000w Peak/1000w Dyno-Certified RMS Mono 2 Ohm Amplifier Car Audio Amp. (1) Rockville RWK41 4 Gauge Complete Car Amp Wiring Installation Wire Kit with RCA's Features of W12K9D4: Rockville W12K9D4 K9 Series 12" Dual 4-Ohm Car Subwoofer. Peak Power Handling: 4000 Watts. Program Power Handling: 2000 Watts . CEA Rated RMS Power Handling: 1000 Watts . 3" 4-Layer Black Aluminum Voice Coils Wound with OFC Wire Made in USA. This voice coil is stable up to 240 degrees celcius! The voice coil windings are made in the USA!. Double Stacked 190 Oz High Quality Magnet. Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient And Lighter Weight. Two Chrome-Plated Binding Post Terminals. Black Non-Pressed Paper Cone With Beautiful Finish. Our cones are ultra-stiff Features of dB14: Rockville dB14 4000 Watt Peak/1000 Watt Dyno-Certified RMS Mono 2 Ohm Amplifier Car Audio Amp. Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). Features of RWK41: 1 - 17' High Grade Twisted Pair of 100% Copper RCA Cable. 17' - 4 Gauge Translucent Blue SuperFlex Power Cables. 17' - 18 Gauge Blue Remote Cable. 17' - 16 Gauge Clear Speaker Wire. 3' - 4 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder