2.1ch Hi-Fi Multimedia Speaker AN-2840A is a combination of value and performance. It gives you the power you need for music and entertainment on your PC. The high quality MDF wooden enclose enables the pure sound and less distortion. They're easy to install, too! The two satellites have three-inch drivers for precision stereo, combining 'full-on' sound with good detail; While the wood subwoofer delivers strong bass that's sure to enhance all your entertainment, thanks to its 6.5-inch driver and port tube. These speakers are very easy to use, with bass and volume controls on the rear subwoofer, and you can position them close to TVs, PC monitors and notebook displays as they are all magnetic shielded.