More from Amazon.com : http://www.amazon.com/gp/product/B002XRS0T6?tag=thefatkidin06-20 <br /> <br />Audioengine S8 White 8-inch Powered Subwoofer <br /> <br />8-inch powered down firing subwoofer <br />Auto-sleep power saving mode <br />Solid hand-finished front-ported MDF cabinet <br />Dual line-level inputs RCA and mini-jack and LFE <br />Frequency response 27Hz - 180Hz -15dB