(2) 2000w Underseat Subwoofers For 2007-20 GM/Chevy 1500 Crew Cab 2500HD/3500HD

Package Includes:
(2) Rockville W8K9D4 8 Inch 2000w Car Audio Subwoofer Dual 4-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

Video of K9 6.5 and 8 Subs:

Features of W8K9D4:
Rockville W8K9D4 K9 Series 8 Dual4-Ohm Car Subwoofer
Peak Power Handling: 2000 Watts
Program Power Handling: 1000 Watts
CEA Rated RMS Power Handling: 500 Watts
2.5 4-Layer ASV Voice Coils Wound with OFC Wire Made in USA
This voice coil is stable up to 200 degrees celcius! The voice coil windings are made in the USA!
Double Stacked 122 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. They are thicker and stronger than other subs on the market making our subs able to handle more power.
Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion
Black Stitching Cone Reinforcement Ensures Long Life
New Ultra-stiff PolyPropylene (PP) Dustcap
Impedance: Dual 4-Ohm Voice Coils
Vented Hole on T-yoke Enhances Heat Dissipation
Special Custom Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet
Custom Rockville Mounting Gasket Looks Beautiful and Makes it Easy To Mount the Subwoofer Air-Tight
High BL Magnetic Motor Gap
We use the highest grade black glue that handles extremely high temperatures which allows our woofer to handle even more power than they are rated
Poly cotton spider with very good elasticity
Cutout Diameter: 7.32 inches
Mounting Depth: 5.91 inches
Frequency Response: 48 hz- 800hz
10mm T-Yoke + 10mm Washer
Sensitivity: 81.2dB
Sealed Enclosure Volume:0.28-0.42 Cubic Feet
Vented/Ported Enclosure Volume: 0.64-0.92 Cubic Feet
Weight: 18.74 Lbs.
Shipping Weight: 20.95 Lbs.
Shipping Box Dimensions:11.42x 11.42×11.81 Inches

Specification of REC110:
2 hole 8 Ported for GMC/Chevy 2007-Current Crew Cab
Underseat Front fire
Finished with Durable Bed Liner
2007-Current GMC/Chevy Crew Cab
Air Space:0.8 Cubic Feet (per sub)
Mounting Depth: 11.25
Tuning Frequency: 35HZ

Includes:
20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal)
20 Feet of 14 AWG Blue Speaker Wire
4 Spade Terminals

• Package Includes: (2) Rockville W8K9D4 8 Inch 2000w Car Audio Subwoofer Dual 4-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
• Features of W8K9D4: Rockville W8K9D4 K9 Series 8 Dual4-Ohm Car Subwoofer. Peak Power Handling: 2000 Watts. Program Power Handling: 1000 Watts. CEA Rated RMS Power Handling: 500 Watts. 2.5 4-Layer ASV Voice Coils Wound with OFC Wire Made in USA. This voice coil is stable up to 200 degrees celcius! The voice coil windings are made in the USA!. Double Stacked 122 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. They are thicker and stronger than other subs on the market making our subs able to handle more power.. Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion. Black Stitching Cone Reinforcement Ensures Long Life. New Ultra-stiff PolyPropylene (PP) Dustcap. Impedance: Dual 4-Ohm Voice Coils. Vented Hole on T-yoke Enhances Heat Dissipation
• Includes of REC110: 20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal). 20 Feet of 14 AWG Blue Speaker Wire. 4 Spade Terminals
• Specification of K2: 2 hole 8 Ported for GMC/Chevy 2007-Current Crew Cab. Underseat Front fire. Finished with Durable Bed Liner. 2007-Current GMC/Chevy Crew Cab. Air Space:0.8 Cubic Feet (per sub). Mounting Depth: 11.25. Tuning Frequency: 35HZ