Improve the quality of multimedia presentations, online training / web casts, music listening, gaming, and DVD playback on your system with the Dell™ A425 Speakers. This system includes 2 satellites and a subwoofer delivering a total of 30 Watts of high-quality sound. Satellite speakers, which can be placed on the either side of your monitor, provide basic sound while subwoofer intensifies the sound, increasing overall system power and enabling lower sound tones (improved bass). This product has been tested and validated on Dell™ systems to ensure it will work with your computer.