HT OMEGA Claro Halo XT PCI Sound Card CMI8788/PCI Oxygen HD Audio Processor Built in 120db TI headphone amp supports up to 600ohm with selectable impedance levels 24-bit/192kHz AK4396VF DAC; 24-bit/192kHz AK5385BVF ADC line in S/PDIF optical 5.1ch input/output; onboard CD digital in, coaxial in/out requires 2pin (CA1) cable Front panel audio support with auto mute feature: 10 pin (AC97 compatible)