400 Watt Computer Speakers with 3d Sound and Ear Headpone Jack Features Excellent sound quality with powerful 400 Watt PMPO and featured 3D sound The speaker system is magnetically shielded to provide the greatest protection against image distortion Compatible with all type of PC models, Labtops, and all Mac models, mp3 players, discmans, walkmans equipped w/ headphone jack The system is complete, comes with all necessary cables, and accessories 1 Year Manufacturer Warranty