Easily installs in desktop computers to provide an enhanced 7.1-channel surround sound experience Built-in, 32 Ohm earphone buffer ideal for headphones Supports Dolby Digital EX, DTS ES, HRTF 3D positional audio, DirectMusic, DirectSound 3D and A3D interfaces Full duplex 96 kHz / 24-bit playback and 48 kHz / 16-bit recording Plug and Play, Windows compatible Lifetime Warranty Ports: External, line-in, front-out, microphone-in, rear-out, surround-out, center/bass-out, S/PDIF-out; internal, aux-in, analog CD-in (Sony), analog CD-in (Panasonic), PC speaker-in, CD SPDIF-in, optical SPDIF-I/O C-MEDIA 8768 chipset Full duplex 8Ch DAC / 2Ch ADC SPDIF transmitter supports 44.1 kHz / 48 kHz / 96 kHz sample rate and 16- and 24-bit resolution 16-bit duplex CODEC System Requirements PC Intel Celeron 350 MHz or AMD K6II 500 MHz or better 128 MB RAM DirectX 8.1 or above Windows 98SE/Me/2000/XP/Vista/7 CD-ROM drive Package Contents 7 Channel PCI Sound Card User manual and driver CD