DS18 ZR8.2D 8" 900 W Max Dual 2 Ohm Voice Coil DVC Stereo Car Audio Subwoofer

BRAND NEWDS18 ZR8.2DELITE-Z 8-Inch 900 Watts Max Dual Voice Coil DVC 2-Ohm Car Stereo SubwooferKey Features: Large foam surround giving great xmax and bass precision while keeping great cone control when the subwoofer is close to maximum power. Great power handling of 450w RMS and 900w max through a high-strength 2-inch aluminum voice coil. Very strong stamped basket with show quality DS18 logos on the frame, magnet boot, motor, and dust cap. Designed to give crisp and clear bass in any vehicle and can be used in sealed and ported boxes. General Specifications: Nominal Diameter: 8" Nominal Impedance: 2+2 OHMS RMS Power Handling: 450W MAX Power Handling: 900W Sensitivity (1w/1m): 82 dB Frequency Response: 33Hz - 200 Hz Recommended Lo Pass Crossover: 120 Hz Motor Specifications: Voice Coil Diameter: 2" / 50.8mm VC Former Material: Aluminum Winding Material: Copper Cone Material: Non Pressed Paper Dust Cap Material: PPI Surround Material: Foam Basket Material: Steel Basket Color/Finish: Matte Black Magnet Material: Ferrite Magnet Weight: 55 oz Displacement Volume: 0.03 ft3 Thiele & Small Parameters: Equivalent Volume: 5.74 L Excursion (one way): 18mm Free Air Resonance: 40Hz Mechanical Factor: 4.38 Electrical Factor: 0.66 Total Factor: 0.57 Moving Mass: 112.72g Compliance: 105.133 m/N BL Factor: 6.67 Voice Coil Inductance: .373.76m mH Cone Area: 196 Cm2 DC Resistance: 1.8 + 1.8 ohm Efficiency Bandwidth Product: 60.6 Dimensions/Weight: Overall Diameter: 8.42" / 214mm Overall Depth: 5.3" / 134mm Front Mount Baffle Cutout: 7.24" / 184mm Mounting Depth: 4.4" / 111.4mm Motor Diameter: 5.7" / 145mm Package Dimensions: Approx. 9.49 x 9.29 x 6.5 inches Weight: Approx. 9.12lbs / 145.92oz