Cerwin-Vega XLS-12S 12-Inch Powered Subwoofer (Black)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Power Capacity: 250 watts (RMS)</li><li>12" Cast Frame High Excursion Woofer</li><li>Frequency Response: 43 Hz - 300 Hz (-3 dB)， 38 Hz - 350 Hz (-10 dB)</li><li>Frequency Range: 28 Hz - 150 (-10dB)</li><li>Weight: 48 lb. / 21.7 kg</li></ul></div><img src="http://ecx.images-amazon.com/images/I/418a40rS6pL.jpg" noproxy>