ASUS Essence STX II PCI Express PCI-E High-Fidelity Audio Sound Card

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ASUS Essence STX II PCI Express PCI-E High-Fidelity Audio Sound Card

Output Signal-to-Noise Ratio A-Weighted Front-out 124 dB
Output Signal-to-Noise Ratio A-Weighted Headphone-out 120 dB
Input Signal-to-Noise Ratio A-Weighted 118 dB
Dolby Digital LiveDolby Headphone Dolby Virtual Speaker Dolby Pro-Logic II