Pyle PLPPS112 Dual 12-Inch Slim Design FOWARD Vented Enclosure Subwoofer System<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>12'' High Power Subwoofer - 4 Ohm Impedance</li><li>Black Molded Polypropylene Cone - 250 Watts RMS / 500 Watts Peak</li><li>2'' Voice Coil - Frequency Response: 30Hz-3Khz</li><li>Foward Firing Slot Port - SPL: 91dB</li><li>40 Oz Magnet Structure - Dimensions: 20''W x 15.6''H x 14.4''D</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Tth%2BLvGLL.jpg" noproxy>