These speakers are engineered with proprietary digital signal processing to improve performance, delivering crisp, clear audio at all listening levels. Exclusive TrueSpace® stereo digital signal processing reproduces wide, lifelike sound from just two speakers, bringing more life to your music, games, video and streaming media. Music, games, videos and streaming media. Whatever you enjoy on your computer, you can enjoy it more with better sound. Presenting the Companion® 2 Series III system. The dual inputs provide easy connections to your computer and additional audio sources. And the volume control and headphone jack are within easy reach on the front of the right speaker. Your sound upgrade is even complemented by the sleek, elegant design of the speakers. It delivers a significant performance upgrade in sound quality over your computer's original speakers and most conventional speakers.