SPECIFICATIONS Diameter : 10 Inch Sensitivity : 85 dB Impedance : 4 Ohm Frequency Response : 35-500 Hz RMS Power Range : 200 Watts Peak Power Handling : 400 Watts Mounting Depth : 5.16 Inches FEATURES Features: New Polycarbonate Glass Fiber Basket Marine Grade 10" Subwoofer Black power-coated Aluminum grill included Injection Molded UV-Treated Gun Metal Polypropylene Cone TPO Thermoplastic Polyurethane Surround 2.0" KSV Voice Coil Former 140 oz. Motor Structure Insulated Tinsel Leads Marine Grade Spider 200 Watts RMS/400 Watts Max Designed for FREE AIR Applications and Sealed Enclosures Specifications Nominal Impedance: 4-ohm BL: 13.69 Inputs: Single Coil Subwoofer Frequency Range: 35 Hz - 500 Hz Voice Coil Size: 2 in Material: Polypropylene Magnet Size: 39 oz Sensitivity (1W / 1M): 85.39 dB Motor Structure: 39 oz Cutout Diameter: 9 1/8 in Mounting Depth: 5.16 in Xmax: 9.5 mm Spl: 85 dB No: 0.20% Qts: 0.46 Qes: 0.50 Qms: 6.24 Mms: 137.28 g Cms: 188 uM/N Vas: 35.04 Ltr SD: 363.05 sqCM Fs: 31.3 Hz Test Impedance: 3.51 ohm VC Impedance: 4-ohms Size: 10" Sensitivity: 85 dB Frequency Response: 35 Hz - 500 Hz Voice Coil Size: 2" Power Handling (RMS/Peak): 200 / 400 watts UPC: 823871008360 Weight: 13 Authorized Internet Dealer Warranty: 2 Year(s) Warranty.This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization. Do you own this product? Write a review!