Altec Lansing VS2521 2.1 Powered Speaker System Powerful 3-piece speaker system for computer, MP3 player, games, or video; delivers total continuous power of 28 Watts RMS with a peak of 56 Watts Speakers with 2.5-inch full-range drivers; powered 5.25-inch subwoofer Unique design with horizontal or vertical configuration options; satellite speakers interlock to fit neatly beneath monitors Convenient front-panel headphone jack to plug in headphones for private listening; front-panel input jack to plug in MP3 player without disconnecting; Subwoofer is Charcoal Gray in color Includes two satellite speakers, one subwoofer, color-coded cables; 1-year warranty