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 : 5.375 Inches FEATURES Features: New PBX dust cap Dual 4 ohm voice coils New Polycarbonate Glass Fiber Basket Marine Grade 10" Subwoofer White powder-coated Aluminum grill included Injection Molded UV-Treated White 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: Dual 4-ohm BL: 8.546 Inputs: Dual 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: 5.375 in Xmax: 7.9 mm Spl: 84.5 dB No: 0.171% Qts: 0.546 Qes: 0.612 Qms: 7.208 Mms: 136.6 g Cms: 187 uM/N Vas: 34.89 Ltr SD: 363.1 sqCM Fs: 31.5 Hz Test Impedance: 1.65 ohm VC Impedance: 4-ohms + 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: 823871008315 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!