The ASUS Xonar D2 Ultra Fidelity 7.1 PCI Sound Card itself is built around a 24-bit ASUS AV200 High-Definition Sound Processor that boasts a SNR (Signal-to-Noise Ratio) of 118dB, which is the best SNR we could find, scouring the market for comparable solutions. The card supports 44.1, 48, 96 and 192KHz sampling with floating point filters claiming near lossless conversion.

The card is also equipped with four Burr-Brown PCM1796 24-bit D-A Converters for digital sources while a single Cirrus-Logic CS5381 24-bit A-D Converter handles analog signal. The card is encased with an EMI (Electronic Magnetic Interference) shield to ensure surrounding components do not have a negative effect on audio quality. For added aesthetics, ASUS added illumination to the shield while the rear port collection is also illuminated, making finding the right port a bit easier to locate.

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