The Altec Lansing FX5051 system gives you genuine 5.1 surround sound with no 6-channel sound card required! Just plug a USB cable from the subwoofer into your PC and get six discrete channels of powerhouse sound. The FX5051 features dual drivers in every satellite, plus a "two-barreled, " 6.5" isobaric subwoofer that gives you awesome bass in half the space. What's more, it's designed to complement flat-panel displays. Satellites feature removable bases for easy wall mounting.