Rockville W15K9D2 K9 Series 15" Dual 2-Ohm Subwoofer — 1250W CEA RMS / 5000W Peak

Product video available for the W15K9D2. Overview: The Rockville W15K9D2 K9 Series is a 15" dual 2-Ohm car subwoofer engineered for high power performance with durable components for long-term reliability. Power Ratings: - Peak Power Handling: 5000 Watts - Program Power Handling: 2500 Watts - CEA Rated RMS Power Handling: 1250 Watts Motor & Voice Coil: - 3" 4-layer black aluminum voice coils wound with OFC wire (OFC wire made in USA) - Voice coil temperature resistance: 240℃ - Double stacked 190 Oz high quality magnet - Air-tight high BL magnetic motor gap - Vented hole on T-yoke to improve heat dissipation - 10mm T-Yoke + 10mm washer Cone, Suspension & Spine: - Black non-pressed paper cone with a finished appearance - Thick foam surround for reduced distortion and improved sound quality - Red stitched cone reinforcement for extended life - New ultra-stiff PolyPropylene (PP) dustcap - Nomex spider for enhanced tear resistance, strength and durability over regular cotton/poly-cotton spiders Basket, Terminals & Hardware: - Cast aluminum basket with black sanded finish for lighter weight and efficiency - Two chrome-plated binding post terminals that accept any gauge wire, are easy to connect and resist oxidation - Special custom rubber boot magnet covers for protection and aesthetics - Custom Rockville mounting gasket for an attractive, airtight installation Impedance & Sensitivity: - Impedance: Dual 2-Ohm voice coils - Sensitivity: 83dB Enclosure Recommendations & Frequency: - Frequency Response: 33 Hz - 1.5K kHz - Sealed Enclosure Volume: 1.75 -2.9 Cubic Feet - Vented/Ported Enclosure Volume: 2.5 - 3.85 Cubic Feet Physical Dimensions & Weight: - Cutout Diameter: 14.09” inches - Mounting Depth: 8.23” inches - Weight: 30.25 Lbs. - Shipping Weight: 33.68 Lbs. - Shipping Box Dimensions: 17.72" x 17.72" x 12.4" Inches Thiele-Small (TS) Parameters: - Fms: 32.2 Hz - Res: 89.7 Ohm - Re: 4.0 Ohm - Qms: 6.00 - Qes: 0.62 - Qts: 0.56 - Rms: 9.2kg/s - Cms: 0.09mm/N - Mms: 273.6 gr - Nref: 0.45% - Bl: 18.9N/A - SPL: 88.5dB - VAS: 85.9 L - Rp: 35.0 Ohm - LP: 32.7mH - CP: 923.2uF - Le: 2.04mH 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) - Yoke Thickness: 10mm (0.4 inches) - Yoke Pole Diameter: 75mm (3 inches) Additional Notes: - The high-temperature black adhesive used in assembly improves power handling reliability. - Made with OFC wire produced in the USA.