(2) Rockville W12K9D4 12″ 8000 Watt Car Subwoofers Dual 4-Ohm Subs CEA Compliant


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  • Package: (2) Rockville W12K9D4 12″ 8000 Watt Dual 4-Ohm Car Subwoofer – CEA Compliant
  • 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.
  • Red 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. Nomex Spider provides tear resistance, strength and long-term reliability over regular cotton and poly cotton spiders. Cutout Diameter: 11.13” inches. Mounting Depth: 6.85” inches. Frequency Response: 33 Hz – 1.5K kHz. 10mm T-Yoke 10mm Washer.
  • Sensitivity: 83dB. Sealed Enclosure Volume: 0.9 – 1.47 Cubic Feet. Vented/Ported Enclosure Volume: 1.8 – 2.75 Cubic Feet. XMAX is 28MM. Weight: 28.67 Lbs.. Shipping Weight: 33 Lbs.. Shipping Box Dimensions: 14.57″ x 14.57″ x 10.83″ Inches. XMAX: 28MM