Logitech Z523 Speaker System with Subwoofer (Certified Refurbished) This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Room-Filling Logitech 360-degree sound for an immersive music, movie and game experience Down-firing subwoofer with 6.5-in pressure driver delivers ultra-deep bass without distortion Quick-connect inputs let you easily plug in your DVD player, game console, iPod and headphones 40 watts (RMS) of power for big, rich, detailed sound. Convenient on-speaker controls put volume adjustment at your fingertips