The Dell A425 Zylux Multimedia Computer Speaker System is a wired computer speaker system that includes two magnetically shielded satellite speakers and one 4-inch subwoofer. It boasts a total RMS wattage of 30 Watts12. On/Off, volume and Sub-woofer Level adjustment are conveniently located for easy access.These Dell computer speakers can be installed easily and quickly, thanks to color-coded cables. Tested and validated on Dell system, these wired computer speakers are supported Dell Technical Support to ensure complete reliability and peace of mind.Give your Dell PC or notebook a perfect audio companion with the Dell A425 that will enhance your presentation, music listening and DVD playback quality.Dimensions Speaker Width 2.7 in. Speaker Height 6.7 in. Speaker Depth 2.6 in. Speaker Weight 11 lbSubwoofer Width 5.1 in. Subwoofer Height 9.48 in. Subwoofer Depth 7.9 in. Subwoofer Weight 11 lbTested: YesWarranty: 30 daysItems included:(1) Set Dell Zylux A425 2.1 Channel System with Sub-woofer