http://t.co/bktbWr5 - <br /><br />Top Deal Review - Polk Audio PSW505 12-Inch Powered Subwoofer<br /><br />Single powered subwoofer in black for use with stereo or home theater speaker systems<br />Equipped with one magnetically shielded 12-inch long-throw woofer<br />Slot-load venting minimizes turbulence, noise, and distortion<br />Rated to 300 watts of continuous power (460W peak)<br />Measures 16-1/8 x 15-1/8 x 18-3/16 inches (HxWxD)
