At an incredibly low price! With 8-channels of audio, and a PCI interface, this card provides you with 3D sound and great quality. The 7.1 PCI sound card with true 7.1 audio channels for amazing surround sound. Supports DTS ES, EAX 2.0 and numerous other 3D sound standards for optimal experience of DVD movies and the ultimate gaming sensation. Standard 5.1, 2.1 and 2.0 channels can be distributed to 7.1 sound, listen to your stereo MP3 files on all 8 speakers. Advanced controls for surround sound, environmental sound and equalizer settings. Line-in/microphone effects compatible with karaoke mixer, voice transformation and echo. Prepared for future sound standards that address 7.1 channels.