Video of W15K9D4: Features: 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 Voice Coils Wound with CCAW Wire Made in Japan The CCAW Wire we use is made in Japan. It is one of the most importantcomponents to make the sub high quality and last longer. (Most subs on themarket use wire made in China which can not handle nearly as high temperaturesas our wire that is made in Japan) Double Stacked 190 Oz High Quality Magnet Cast Aluminum Basket With Black Sanded Finish Makes This Sub Very Efficient AndLighter Weight 20" Direct connect 8 Gauge OFC wire leads make it easy to wire the subwooferto your enclosure terminals Subwoofer includes 20" of 8 gauge tinned OFC wire to make it easy to wire thesubwoofer to your enclosure terminals Black Non-Pressed Paper Cone With Beautiful Finish Our cones are ultra-stiff. They are thicker and stronger than other subs on themarket 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 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 Protectsthe Magnet Custom Rockville Mounting Gasket Looks Beautiful and Makes it Easy To Mount theSubwoofer Air-Tight High BL Magnetic Motor Gap We use the highest grade black glue that handles extremely high temperatureswhich allows our woofer to handle even more power than they are rated Nomex Spider provides tear resistance, strength and long-term reliability overregular 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: 1.75 -2.9 Cubic Feet Vented/Ported Enclosure Volume: 2.5 - 3.85 Cubic Feet Weight: 34.17 Lbs. Shipping Weight: 38.58 Lbs. Shipping Box Dimensions: 17.72" x 17.72" x 12.4" Inches TS Parameters: Fms: 32.0 Hz Res: 76.2 Ohm Re: 7.6 Ohm Qms: 5.27 Qes: 0.72 Qts: 0.63 Rms: 10.3kg/s Cms: 0.09mm/N Mms: 270.9 gr Nref: 0.39% Bl: 24.1N/A SPL: 87.9dB VAS: 87.9 L Rp: 51.5 Ohm LP: 53.8mH CP: 560.5uF Le: 3.32mH 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)

Video of W15K9D4: Features: Rockville W15K9D4 K9 Series 15" Dual 4-Ohm Car Subwoofer Peak Power Handling: 5000 Watts Program Power Handling: 2500 Watts <