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ASUS Xonar U3 16-bit Headphone Amp USB Gaming Sound Card

ASUS Xonar U3 16-bit Headphone Amp USB Gaming Sound Card
Item# XONAR-U3-PB-R-unit
$21.71

Product Description

Want better audio quality for your notebook?  Tired of crackling music?

The ASUS Xonar U3 will amplify the sound quality from your PC!  With a simple USB interface and easy to use design, you won't have to suffer from bad quality audio!  Featuring Dolby Technologies and GX2.5 you will experience truly high fidelity audio at an amazing cost! 

Included are a removeable cap and a split ring that attaches to your keys, so high quality audio is never far away.  Improve your music listening, movie viewing, and audio playback with the ASUS Xonar U3 Headphone Amp! Get yours today!

Order now!


  • ASUS Xonar U3 16-bit Headphone Amp USB Gaming Sound Card


  • General Features:
  • Black color
  • Blue LED 
  • Compact size
  • Great for travel
  • 3.5 mm or SPDIF output
  • Headphone amplifier
  • Dolby Home Theater technology
  • Realistic 3D audio with GX2.5
  • Exclusive hyper-grounding technology


  • Performance
  • Output Signal-to-Noise Ratio (A-Weighted) (Front-out): 100 dB
  • Output THD+N at 1kHz (Front-out): <0.005 %( dB)
  • Frequency Response (-3dB, 16bit/48KHz input): 20 Hz to 20 KHz
  • Output/Input Full-Scale Voltage: 2 Vrms ( Vp-p)
  • Bus Compatibility: USB


  • Chipset
  • Audio Processor :ASUS UA100 USB Audio Chip


  • Sample Rate and Resolution
  • Analog Playback Sample Rate and Resolution : 48KHz @ 16bit


  • Special Features
  • Dolby® Technologies : Dolby® Digital Live/Dolby® Headphone /Dolby® Virtual Speaker /Dolby®
  • Pro-Logic II
  • Smart Volume Normalizer™
  • Xear 3D™ Virtual Speaker Shifter
  • Magic Voice™
  • Karaoke Functions
  • 10 -band Equalizer
  • 27 Environment Effects
  • GX2.5 Gaming Audio Engine
  • VocalFX™


  • I/O Ports
  • Analog Output Jack:

    • One (1) 3.5mm RCA jack

  • Analog Input Jack :

    • One (1) 3.5mm RCA jack
    • One (1) Digital S/PDIF Output


  • Dimensions:
  • 3.1 x 1.2-inches ( L x W )


  • Regulatory Approvals:
  • FCC
  • WEEE

  • ASUS Xonar U3 16-bit Headphone Amp USB Gaming Sound Card
  • S/PDIF optical adapter
  • Driver CD
  • Quick Start Guide
  • USB Extension Cable