ASUS Xonar U1 USB Audio Station

Features & Specifications

Audio Performance
Output Signal-to-Noise Ratio (A-Weighted): 100 dB
Output THD+N at 1kHz (A-Weighted): 0.0045% (87 dB)
(-60dB, A-Weighted) 96 dB
Dynamic Range: 96 dB
Analog Playback Sample Rate and Resolution: 48 KHz
Cross-talk (10Kohms, 1KHz) -104 dB

Headphone Amp
THD+N< 0.005% @ 47 mW x2/ 32ohms
THD+N< 0.006% @88 mW x2/16ohms
96 dB SNR >1.1Vrms full-scale output voltage for >8 ohms load
Frequency response (-3dB/48KHz): 20~20 KHz for 32 ohms
(headphones with 8~150 ohm @ >10mWx2 recommended)

Audio Processor
U100

I/O Ports
Bus Compatibility: USB
Analog Output Jack & Digital S/PDIF Output Combo: Analog 2CH/Digital 5.1
Analog Input Jack: Yes, stereo recording

Driver features
Operation System: Windows Vista (32 & 64 bit), Windows XP (32 & 64 bit)
Dolby® Technologies: Dolby® Headphone, Dolby® Virtual Speaker, Dolby® Pro-Logic IIx, Dolby® Digital Live
DirectSound3D Game Extensions 1.0/DirectX: DS3D GX 1.0 supports EAX gaming sound effects and DirectSound 3D hardware enhanced functions on Windows Vista. (DirectX/DirectSound 3D compatible)
Smart Volume Normalizer™ : Normalizes the volume of all audio sources into a constant level and also enhances your 3D sound listening range and advantages in gaming
Magic Voice™: Modifies the sound of your voice, for VOIP and online chat applications
Karaoke Functions: Music Key-Shifting and Microphone Echo effects
Xear 3DTM Virtual Speaker Shifter: Virtual 7.1 speaker positioning
Array Microphone: Reducing environmental background sounds and noises; keeping your front side voice input as clean as possible
Other Effects: 10-band Equalizer/27 Environment Effects

Accessories
1 x Optical S/PDIF adapter cable
1 x Stereo Vertical Array Microphone