The SoundWave 7.1 PCI allows to enjoy high-definition 7.1 surround sound from your desktop computer system. This brilliant PCI sound card supports 8-channel output (Dolby Digital EX and DTS ES 6.1/7.1CH DVD audio formats) and delivers a 24-bit/96kHz digital output audio quality. It features unique karaoke functionalities such as microphone echo, key shifting, and vocal cancellation, and allows user to utilize the power and surround sound of EAX audio technologies to customize internet audio properties. The SoundWave 7.1 PCI also automatically places speakers to preferred positions via its speaker shifter technology without having to move actual speakers.