Lanzar OPTI1032D OptiDrive 10-Inch Die Cast Aluminum Cone Dual Voice Coil 2 Ohm Subwoofer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Custom Tooled Die-Cast Aluminum Basket - Power Handling: 650 Watts RMS / 1，300 Watts Peak - Cutout Diameter: 9-3/5""</li><li>Aluminum Alloy Cone Structure - Frequency Response: 35Hz-800Hz - Mounting Depth:5-2/5""</li><li>Massive Butyl Rubber Surround - Impedance: 2 Ohm x 2</li><li>2.5"" High Temperature Dual Voice Coil - Efficiency (1W/1M): 85dB</li><li>40 oz. + 50 oz. Dual Stacked High Density Barium Ferrite Magnet Structure - Overall Diameter: 10-4/5""</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51bPkx7GMsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51wiBgG3vXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51IEuTLBgHL.jpg" noproxy>