Description
Package Includes: (2) Rockville W8K9D2 8″ Inch 2000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant, (1) Rockville Dual 8″ Subwoofer Box For 2007-20 GM/Chevy 1500 Crew Cab 2500HD/3500HD, (1) Dual Sub Box Enclosure Installation Kit: Speaker Wire, Screws, Spade Terminals, (1) Rockville dB14 4000 Watt Peak/1000 Watt 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.
Underseat GM/Chevy Fit Bass System: Built for 2007-20 GMC/Chevy Crew Cab trucks, the dual 8″ ported underseat front-fire enclosure keeps bass tight while saving cabin space. Finished with durable bed liner and tuned to 35Hz, it provides 0.8 cubic feet air space per sub and supports up to 11.25″ mounting depth, creating a clean, vehicle-specific foundation for daily-driving low end.
Rockville W8K9D2 K9 Subwoofer Build: Each W8K9D2 handles 2000-Watts peak, 1000-Watts program, and 500-Watts CEA-rated RMS power with Dual 2-Ohm voice coils for flexible wiring. A 2.5″ 4-layer ASV voice coil wound with OFC wire, double stacked 122 oz magnet, vented T-yoke cooling, and high BL motor gap help deliver deep bass with minimal distortion and strong thermal stability.
dB14 Mono Amplifier Control And Power: The Rockville dB14 delivers 4000-Watts peak and 1000-Watts Dyno-Certified RMS at 2 Ohms (600-Watts RMS at 4 Ohms) for strong subwoofer output. Features include high-speed MOSFET power supply, optical coupler Class “D” technology, fully adjustable 12dB/Octave crossover with differential circuitry, low pass 50Hz-250Hz, subsonic 15Hz-55Hz, phase control, and full IC-controlled protection.
RWK41 4 AWG Wiring For Clean Installs: The Rockville RWK41 kit supports solid power delivery with true 4 gauge cabling and a soft abrasion-proof PVC jacket designed for flexibility and resistance to grease and oil across -40 to 220 degrees F. You get a 17' twisted pair 100% copper RCA cable, 17' 4 gauge power cable, 3' 4 gauge ground, 17' remote cable, split loom, gold plated AGU fuse holder and fuse, plus terminals and accessories for a complete run.

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