" ASUS just released an audio precision report of its latest product Xonar Essence STX. (read Page 2 for report details)
According to ASUS, the yet-to-be-release audio product Xonar Essence STX is “world’s first onboard headphone amp 600ohms headphone with <100dB THD+N”. What’s more, Xonar Essence STX isolated power sources for headphone output and normal audio output. The whole card is using Nichicon capacitors which is called “fine gold”. We don’t know the release date of the card, but it will become another expensive enthusiast audio product.
Craving for the clearest audio source to support your precious headphone and speakers? Then let Xonar Essence STX amaze you. Being the world’s first audio card to achieve 124dB in signal-to-noise ratio, and capable of driving headphone with highest impedance under lowest 100dB distortion, your only concern will be hard to stop the heavenly music playback from Xonar Essence STX.
Designed in Essence
Perfectly sealed by improved EMI shield, Xonar Essence STX’s analog output path generates the purest audio ever from a sound card -124dB signal-to-noise ratio and 0.0003% distortion.
Fine-selected Components
With premium-quality digital-to-audio converter and audio-specific capacitors selected, Xonar Essence STX provides <10~90kHZ frequency response and 124dB dynamic range for your unlimited pleasure.
Shines your beloved headphones
Drives up to 600ohms headphones with less than 100dB distortion, the built-in headphone amp supports every available headphone in the market with unbelievable audio quality. "
source; http://en.expreview.com/2008/10/20/a...-to-124db.html
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