With Encore Electronics 7.1 Channel PCI Surround Sound Card, you can enjoy a rich theater high quality surround sound while watching videos, playing games, or just plain listening to the music from your desktop computer. ENM232-8CMI is definitely a high-value upgrade that will deliver high quality audio to your computer audio experience. The ENM232-8CMI makes audio sounded clearer and more vibrant. It gives far more audio quality than those built-in to the computer motherboards. When used with the 7.1 Channel Speakers, it brings more real life audio sound, high quality base and surround sound experience.