ASUS has released a new audio card designed for fine-tuned audio quality with 116dB SNR (Signal-to-Noise Ratio), the ASUS Xonar DX Express 7.1 audio card. The new Xonar provides 35 times cleaner audio compared to onboard Motherboard audio with only 85dB SNR, and also is equipped with Dolby Home Theater Technologies and DS3D GX to provide crisp and clear audio quality and rich gaming sound effects. While noise is unavoidable, the Xonar DX dramatically reduces the amount of background noise, and it is this distinction that allows the Xonar DX to produce as little as 1/32 (-105dB) of the total harmonics distortion versus traditional motherboard audio (-75dB). As most onboard audio only provide 80~86 dB SNR audio quality, background noises are easily heard while listening to music or playing games.

By adopting the CirrusLogics CS4398 audio DAC (120dB SNR & 117dB THD+N) that is often used in Hi-Fi devices, the ASUS Xonar DX provides at least 30% better quality sounds than the average onboard audio.

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