SoundXtreme 1500W 15-Inch Car Subwoofer Dual 4 Ohm ST-1552<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Imped: Dual 4 Ohm</li><li>S.P.L. : 96dB+-2</li><li>Frequency Response: 50Hz-2.5kHZ</li><li>Voice Coil: 2.5 Inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41cpVGtw3XL.jpg" noproxy>