8 Channel Soundcard C-media 8738/8768 Chipset 3D - PCI At the heart of Asonic, you will find top engineers that have experience from renowned companies of the world.The vision of its founders is to create the best multi-media products ever offered in the industry. Features PCI Rev 2.2 compliant with bus mastering nodes Full-duplex 8CH DAC & 2CH ADC with high quality much beyond Microsoft PC 2001 requirements Built-in earphone buffer at Front-Out pins Legacy audio SBPRO compatible Sensaura CRL3D HRTF 3D positional sound enhancement Support most industry standards of PC 3D sound for gaming, including EAX 2.0, DirectSound 3D HW/SW and A3Dä 1.0 C-Media Xear 3D 7.1 Virtual Speaker SHIFTER technology Unique Karaoke functionality: Mic Echo, Key-Shifting, Vocal Cancellation Magic Voice feature for IP phone, online games, and messenger applications