Altec Lansing VS3121 2.1 Speaker System Powered audio system delivers pristine highs with two full-range drivers and a long-throw woofer for thunderous lows Unique SFX Technology widens the stereo image for a bigger sound Sophisticated, flat panel design and brushed aluminum finish looks great with your flat panel monitor Built for both music and gaming Switches include power, master and subwoofer volume, treble, and SFX