Asus Xonar U3 User Manual

1ASUS Xonar U3
1. Package contents
Check your ASUS Xonar U3 external USB audio card package for the following
items:
• ASUS Xonar U3 external USB audio card
• S/PDIF TOSLINK optical adapter x 1
• Driver / User Manual CD x 1
• Quick Start Guide x 1
2. System requirements
To ensure a successful installation of the Xonar U3 external USB audio card, your
computer must meet the following requirements:
• IBM compatible PC with one USB1.1 (or higher) compatible port for the USB
audio device
• Microsoft
®
Windows
®
7 / Vista / XP(32/64bit) / MCE2005
• Intel
®
Pentium
®
4 1.4GHz or AMD Athlon 1400 CPU or faster CPU
• 256 MB DRAM system memory
• 60 MB available HDD space for driver installation package
• CD-ROM drive (or DVD-ROM drive) for software installation
• High-quality headphones or powered analog speakers to enjoy the ultra-high
delity sound of the card
3. Specicationssummary
Category Item Description
Audio Controller
and Codec
Audio Chipset ASUS UA100 USB Audio Chip
Bus Interface
USB Bus USB 2.0 and 1.0 Full-speed compatible
USB Audio Class USB Audio Device Class v1.0 compatible
I/O Ports
Analog Output Jack &
Digital S/PDIF Output
Combo
3.50mm mini analog and digital combo jack*1
(Headphone/Speakers/SPDIF output)
Built-in Headphone
Amplier
98dB SNR
>1.1Vrms full-scale output voltage for >32
ohms load
Frequency Response (-3dB/48KHz):
20~20KHz for 32ohms
Analog Input Jack: 3.50mm mini shared jack *1 (Line-In/Mic-In)
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Asus Xonar U3 Specifications

General

Internal	No
Audio quality	16 bit
Audio output channels	2.0 channels
Line-out Signal-to-Noise Ratio (SNR)	105 dB
Line-out Total Harmonic Distortion (THD)	0.005 %
Headphone outputs	2
LED indicators	Yes
Dolby technologies	Dolby Digital Live, Dolby Headphone, Dolby Pro-Logic IIx, Dolby Virtual Speaker
Audio system maximum sampling rate	48 kHz

Weight and Dimensions

Depth	79.5 mm
Width	30.6 mm