More from Amazon.com : http://www.amazon.com/gp/product/B009GUTJ34?tag=thefatkidin06-20 <br /> <br />Monoprice 108248 8-Inch 60-Watt Powered Subwoofer <br /> <br />Features a built-in 60 watt amplifier <br />Accepts both line and speaker level inputs <br />50 - 150 Hz frequency response
