Asus Xonar U7 User’s Manual
Xonar U7
7.1 USB Soundcard & Headphone
Amplier
User Manual
E8237
First Edition (V1)
April 2013
Copyright © 2013 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
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Table of Content
1. Introduction ..................................................................................... 4
1.1 Package contents ............................................................. 4
1.2 System requirements ......................................................... 4
1.3 General Specication ......................................................... 5
2. Hardware .......................................................................................... 7
Xonar U7 Audio Card ........................................................................ 7
Top view ........................................................................................... 7
Rear view .......................................................................................... 7
Bottom view ....................................................................................... 7
3. Driver Installation ............................................................................ 9
3.1 Installing the Xonar U7 Card Driver ................................... 9
3.2 Uninstalling or Reinstalling the Xonar U7 Card Driver ....... 9
4. Connecting Speakers and Peripherals ....................................... 10
4.1 Input connection .............................................................. 10
4.2 Output connection ............................................................ 13
5. Xonar U7 Driver Guide .................................................................. 19
5.1 Introduction to the Xonar U7 Audio Center GUI ............... 19
5.2 Input Device Function Introduction .................................. 21
5.3 Mic-In, Line In Device Function Introduction .................... 37
5.4 Information Page Introduction .......................................... 40
5.5 Tray Icon Function Introduction ........................................ 40
6. Troubleshooting ............................................................................ 42
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ASUS Xonar U7 User Manual
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1. Introduction
1.1 Package contents
Check your ASUS Xonar™ U7 audio card package for the following items:
• ASUS XonarTM U7 7.1-Channel USB Audio Card
• Driver CD
• S/PDIF TOSLINK optical adapter x 1
• Quick Start Guide
• USB Cable x 1
1.2 System requirements
To ensure a successful installation of the Xonar U7 audio card, make sure that
your computer meets the following requirements:
• USB port 2.0 and above
• Microsoft® Windows® 8 / 7 / XP (32/64bit)
• Intel® Pentium® 4 1.4GHz or AMD Athlon 1400 CPU or faster CPU
• More than 256MB system memory
• More than 60MB available storage space for driver installation
• CD-ROM drive (or DVD-ROM drive) for software installation
• High-quality headphones, powered analog speakers, or a Dolby Digital
decoder, to enjoy the audio card’s high delity
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1.3 General Specication
Items Description
Audio Performance
Output Signal-to-Noise Ratio (A-
Weighted)
Input Signal-to-Noise Ratio (A-
Weighted):
Output Total Harmonic Distortion +
Noise at 1kHz (A-Weighted) :
Input Total Harmonic Distortion +
Noise at 1kHz (A-Weighted) :
Frequency Response (-3dB, 24bit/96kHz format):
Output / Input Full-Scale Voltage 1 Vrms (2.828 Vp-p) for line out
Bus Compatibility
USB audio class - USB audio class 2.0 for all functions
Main Chipset
Audio Processor Cmedia 6632A High-Performance Sound Processor
D-A Converter of Digital Sources Cirrus CS4398* 1 (120dB SNR, Max. 192kHz/24bit)
A-D Converter for Analog Inputs Cirrus CS5361* 1 (114dB SNR, Max. 192kHz/24bit)
Sample Rate and Resolution
Analog Playback Sample Rate and
Resolution
Analog Recording Sample Rate
and Resolution
S/PDIF Digital Output 44.1K/48K/88.2K//96K/172.4K/192KHz @ 16/24bit
ASIO 2.0 Driver Support 44.1K/48K/88.2K//96K/172.4K/192KHz @ 16/24bit
up to 114dB
110dB
up to 0.0006% (104dB)
up to 0.0001% (-100dB)
< 10Hz to 46KHz
1.3 Vrms (3.677 Vp-p) for headphone out
1 Vrms (3.677 Vp-p) for line in
- USB audio class 1.0 for playback
(Max. 192KHz / 24bit)
Cirrus CS4362* 1 (114dB SNR, Max. 192kHz/24bit)
44.1K/48K/88.2K//96K/172.4K/192KHz @ 16/24bit
44.1K/48K/88.2K//96K/172.4K/192KHz @ 16/24bit
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Items Description
I/O Ports
Analog Output Jack RCA (phone) jack * 2 (Front left / Front right)
3.50mm mini jack * 3 for surround
(Side/Center-Subwoofer/Rear-out)
3.50mm mini jack * 1 (Headphone out)
Analog Input Jack 3.50mm mini jack * 1 (Shared by Line-In / Mic-In)
Button Output volume knob/Output selection / Microphone
Volume)
Digital S/PDIF Output High-bandwidth coaxial port supports 192HKz/24bit
with one S/PDIF TOSLINK optical adapter
Driver Features
Operation System Windows® 8 / 7 / XP (32/64bit)
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2. Hardware
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Xonar U7 Audio Card
Top view
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Rear view
Bottom view
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No. Items Description
1. Headphone Out port Connect your headphone to this port.
Microphone In port
2.
Line In port
Microphone Volume
3.
Control
Output Selection
4.
Indicator
Output Selection/
5.
Volume Control
6. Front (R) Out port
7. Front (L) Out port
Side Surround Out
8.
port
Center/Subwoofer Out
9.
port
10. Rear Out port
11. S/PDIF Out port
12. USB Port Connects to your computer using a USB Type B-A lead.
USB Audio 1.0/2.0
13.
switch
Connect your external PC microphone to this 3.5mm
port for voice input.
Connect analog devices like MP3 players, CD players,
music synthesizers, and other line-level sound sources
to this 3.5mm port for audio recording or processing.
Press to increase or decrease microphone volume.
LED indicator indicates different output selection
(Headphone/Speaker/S/PDIF).
Rotate to adjust the playback volume. Press to select
an output source.
For 2/4/5.1/7.1 channel speaker systems, connects to
the front right input on the powered speakers.
For 2/4/5.1/7.1 channel speaker systems, connects to
the front left input on the powered speakers.
Connects to the surround channel input on 7.1 powered
analog speakers.
Connects to the center/subwoofer input on 5.1/7.1
powered analog speakers.
Connects to the back surround input on 4/5.1/7.1
powered analog speakers.
Coaxial digital output port. Connects to an external
digital decoder or digital speaker systems, Home
Theater systems, AV receivers for outputting digital
audio including PCM, Dolby Digital, DTS, etc. Connects
to the surround channel input on 4/5.1/7.1 powered
analog speakers. Through S/PDIF-Out it will deliver
stereo PCM and use DDL for 5.1 channel.
Move this switch to toggle between USB Audio 2.0
and USB Audio 1.0 connection. Use USB Audio 1.0
for plug and play. Use USB Audio 2.0 on a mac (Apple
computer).
USB Audio 1.0/2.0 switch is located at the bottom side of the audio card. USB
Audio 1.0 connection has the following limitations:
• Only supports playback features.
• 7.1 speakers, Headphone, Mic In / Line-In, and SPDIF Out can only
support sample rates of 44.1KHz/48KHz @16-bit.
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3. Driver Installation
3.1 Installing the Xonar U7 Card Driver
After installing the Xonar U7 audio card on your computer, you need to install
the device driver that enables the Xonar U7 audio card to work with Windows®
operating system.
• The driver is required only when you connect the Xonar U7 to a PC or
notebook.
• The version and content of the support CD are subject to change without
notice.
To install the device driver:
1. Insert the ASUS Xonar U7 support CD into your optical drive. If Autorun is
enabled, the ASUS Xonar Card Driver screen appears automatically. Go to
step 4. If Autorun is not enabled in your computer, perform step 2.
2. Click My Computer on your desktop and double-click the optical drive icon.
3. Double-click setup.exe located on the optical drive.
4. Follow the on-screen instructions to complete the installation. Read,
understand, and accept the END USER LICENSE AGREEMENT before
continuing the installation.
5. When the installation nishes, you may be prompted to restart your computer.
You can choose to restart the computer at a later time.
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3.2 Uninstalling or Reinstalling the Xonar U7 Card
Driver
3.2.1 Uninstalling the Xonar U7 Card Driver
To uninstall the Xonar U7 card driver:
1. Click Start > Settings > Control Panel.
2. Double click the Add/Remove Programs icon.
3. Click the Change or Remove Programs button.
4. Select the program that you want to remove and then click Add/Remove (or
Change/Remove) button.
5. In the InstallShield Wizard dialog box, select Remove.
6. Restart your computer when prompted.
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USB
OR
NB
PC
1
3.2.2 Reinstalling the Xonar U7 Card Driver
To reinstall the Xonar U7 card driver:
1. Uninstall the existing software or driver.
2. Follow the installation process to reinstall the driver.
4. Connecting Speakers and Peripherals
4.1 Input connection
4.1.1 Connecting to a USB 2.0 port on your computer
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No. Items Description
1. USB Port Connects to your computer using a USB Type B-A
lead.
ASUS Xonar U7 User Manual
AVR
S/PDIF
4.1.2 Connecting digital audio systems
1
No. Items Description
1. S/PDIF Output port Connect an AVR to this S/PDIF output port.
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HP Out Mic In/Line In
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4.1.3 Connecting microphone / Line-In
OR
No. Items Description
1. Microphone In /
Line In port
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Connect the microphone’s 3.5mm plug into this Mic-In
port for voice communication, recording, or karaoke.
Connect the 3.5mm plug of the CD/MP3 Player or any
other Line level analog audio sources into this Line-In
port for sound recording.
ASUS Xonar U7 User Manual
HP Out Mic In/Line In
4.2 Output connection
1
4.2.1 Connecting Stereo Headphones
No. Items Description
1. Headphone Out
Port
The Headphone Out port has a built-in high-quality
amplier to drive headphones. Connect your stereo
headphones directly to this port.
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