W15K9D4

All about your K9 Series Subwoofers: Wiring for 1 DVC 4 Ohm SUBS: Wiring for 2 DVC 4 Ohm SUBS: Features of W15K9D4: Rockville W15K9D4 K9 Series 15" Dual 4-Ohm Car Subwoofer Peak Power Handling: 5000 Watts Program Power Handling: 2500 Watts    CEA Rated RMS Power Handling: 1250 Watts  3" 4-Layer Black Aluminum Former 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. 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 high grade 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: 14.09” inches Mounting Depth: 8.23” inches Frequency Response: 32 Hz - 1.5K kHz 10mm T-Yoke + 10mm Washer Sensitivity: 87.9dB Sealed Enclosure Volume: 1.7 – 2.9 Cubic Feet Vented/Ported Enclosure Volume: 2.7 – 3.85 Cubic Feet XMAX is 30mm Weight: 34.17 Lbs. Shipping Weight: 38.58 Lbs. Shipping Box Dimensions: 17.72" x 17.72" x 12.4" Inches XMAX: 30 MM Detailed Info: Body: Non-Pressed Paper Gap Plate Inside Diameter: 95mm (3.74 inches) Gap Plate Outside Diameter: 190mm (7.5 inches) Gap Plate Thickness: 25mm (1 inch) Yoke Outside Diameter: 180mm (7.1 inches) Yoke Thickness: 10mm (0.4 inches) Yoke Pole Diameter: 75mm (3 inches) TS Parameters: