Rockville W15K9D4 15" Dual 4-Ohm Subwoofers (Pair) + RDV15 2.4 CU FT Vented Sub Box — 10,000W Peak

Package Contents: (2) Rockville 15" Car Audio Subwoofers. (1) Rockville RDV15 Dual 15" Vented Subwoofer Enclosure Sub Box 2.4 CU FT. 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. Overview: The Rockville W15K9D4 K9 Series is a 15" dual 4-ohm car subwoofer engineered for extreme power handling. Peak Power Handling: 5000 Watts. Program Power Handling: 2500 Watts. CEA Rated RMS Power Handling: 1250 Watts. Voice Coil & Motor: 3" 4-Layer Black Aluminum Voice Coils wound with OFC wire. Made in USA. This voice coil is stable up to 240 degrees celcius! Double Stacked 190 Oz High Quality Magnet. High BL magnetic motor gap. Vented hole on T-yoke enhances heat dissipation. 10mm T-Yoke + 10mm Washer. Build & Cone: Cast Aluminum Basket With Black Sanded Finish makes the sub efficient and lighter weight. Black Non-Pressed Paper cone with a premium finish — ultra-stiff and thicker for greater power handling. New ultra-stiff PolyPropylene (PP) dustcap. Thick foam surround reduces distortion. Red stitching cone reinforcement for long life. Nomex spider for superior tear resistance and durability over cotton or poly-cotton spiders. Terminals & Accessories: Two chrome-plated binding post terminals. Special custom rubber boot magnet covers both protect and improve appearance. Custom Rockville mounting gasket ensures an air-tight and attractive installation. 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. Impedance & Performance: Impedance: Dual 4-Ohm Voice Coils. Sensitivity: 87.9dB. Frequency Response: 32 Hz - 1.5K kHz. XMAX is 30mm. XMAX: 30MM. Enclosure Volumes: Sealed Enclosure Volume:1.7 2.9 Cubic Feet. Vented/Ported Enclosure Volume:2.7 3.85 Cubic Feet. Dimensions & Weights: Cutout Diameter: 14.09 inches. Mounting Depth: 8.23 inches. Weight: 34.17 Lbs. Shipping Weight: 38.58 Lbs. Shipping Box Dimensions: 17.72" x 17.72" x 12.4" Inches. Detailed Mechanical 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).