The ASUS Xonar Essence STU USB DAC and headphone amplifier inherits and improves on the acclaimed audio quality of Xonar Essence ST/STX sound cards. We know that’s a lot of letters to consume, but trust us: it’s a good thing!
Offering audiophile-grade performance, Xonar Essence STU delivers USB connectivity and accessible external controls. It presents a pristine, unmistakable sound with 120dB SNR, exclusive precision clock tuning technology and a strong 600ohm headphone amplifier, meaning that the quality of the sound is solid, and it only gets better when you decide to plug in to the headphone jack. Xonar Essence STU is for all you music lovers seeking an upgrade with an eye to the Beats by Dr. Dre audience (i.e. the high end of headphones).