Visit Amazon sites : br Logitech Speaker System Z523 with Subwooferbr br Room-Filling Logitech 360-degree sound for an immersive music movie and game experience br Down-firing subwoofer with 65-in pressure driver delivers ultra-deep bass without distortion br Quick-connect inputs let you easily plug in your DVD player game console iPod and headphones br 40 watts RMS of power for big rich detailed sound Convenient on-speaker controls put volume adjustment at your fingertips