M-Audio AP192K 24bit/192khz Professional Audio Sound Card PCI Interface Balanced
Digital I/O: S/PDIF in and out on phono co-axial, sync'able to external sample rates from 32kHz to 192kHz, supporting AC3 and DTS pass-through, plus MIDI In and Out. Frequency response: ±0.5dB, 20Hz to 80kHz at 192kHz sample rate.