Asus Xonar U7 User manual

Xonar U7
7.1 USB Soundcard & Headphone
Amplier
User Manual

Copyright © 2013 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY
DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO
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MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
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owners’ benet, without intent to infringe.
E8237
First Edition (V1)
April 2013

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Table of Content
1. Introduction ..................................................................................... 4
1.1 Package contents ............................................................. 4
1.2 System requirements ......................................................... 4
1.3 General Specication......................................................... 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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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 Specication
Items Description
Audio Performance
Output Signal-to-Noise Ratio (A-
Weighted)
up to 114dB
Input Signal-to-Noise Ratio (A-
Weighted):
110dB
Output Total Harmonic Distortion +
Noise at 1kHz (A-Weighted) :
up to 0.0006% (104dB)
Input Total Harmonic Distortion +
Noise at 1kHz (A-Weighted) :
up to 0.0001% (-100dB)
Frequency Response (-3dB, 24-
bit/96kHz format):
< 10Hz to 46KHz
Output / Input Full-Scale Voltage 1 Vrms (2.828 Vp-p) for line out
1.3 Vrms (3.677 Vp-p) for headphone out
1 Vrms (3.677 Vp-p) for line in
Bus Compatibility
USB audio class - USB audio class 2.0 for all functions
- USB audio class 1.0 for playback
Main Chipset
Audio Processor Cmedia 6632A High-Performance Sound Processor
(Max. 192KHz / 24bit)
D-A Converter of Digital Sources Cirrus CS4398* 1 (120dB SNR, Max. 192kHz/24bit)
Cirrus CS4362* 1 (114dB 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
44.1K/48K/88.2K//96K/172.4K/192KHz @ 16/24bit
Analog Recording Sample Rate
and Resolution
44.1K/48K/88.2K//96K/172.4K/192KHz @ 16/24bit
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

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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
Xonar U7 Audio Card
Top view
Rear view
Bottom view
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No. Items Description
1. Headphone Out port Connect your headphone to this port.
2.
Microphone In port Connect your external PC microphone to this 3.5mm
port for voice input.
Line In port
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.
3. Microphone Volume
Control
Press to increase or decrease microphone volume.
4. Output Selection
Indicator
LED indicator indicates different output selection
(Headphone/Speaker/S/PDIF).
5. Output Selection/
Volume Control
Rotate to adjust the playback volume. Press to select
an output source.
6. Front (R) Out port For 2/4/5.1/7.1 channel speaker systems, connects to
the front right input on the powered speakers.
7. Front (L) Out port For 2/4/5.1/7.1 channel speaker systems, connects to
the front left input on the powered speakers.
8. Side Surround Out
port
Connects to the surround channel input on 7.1 powered
analog speakers.
9. Center/Subwoofer Out
port
Connects to the center/subwoofer input on 5.1/7.1
powered analog speakers.
10. Rear Out port Connects to the back surround input on 4/5.1/7.1
powered analog speakers.
11. S/PDIF Out port
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.
12. USB Port Connects to your computer using a USB Type B-A lead.
13. USB Audio 1.0/2.0
switch
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.
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
4. Connecting Speakers and Peripherals
4.1 Input connection
4.1.1 Connecting to a USB 2.0 port on your computer
No. Items Description
1. USB Port Connects to your computer using a USB Type B-A
lead.
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.
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AVR
S/PDIF
4.1.2 Connecting digital audio systems
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
4.1.3 Connecting microphone / Line-In
No. Items Description
1. Microphone In /
Line In port
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.
OR
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HP Out Mic In/Line In
4.2 Output connection
4.2.1 Connecting Stereo Headphones
No. Items Description
1. Headphone Out
Port
The Headphone Out port has a built-in high-quality
amplier to drive headphones. Connect your stereo
headphones directly to this port.
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No. Items Description
1. Front (R) Out port Connects to the front right input port of 5.1 channel
headphones using the RCA cable.
2. Front (L) Out port Connects to the front left input port of 5.1 channel
headphones using the RCA cable.
3. Center/Subwoofer
Out port
Connect the Center/Bass-channel 3.5mm plug of your
5.1 channel headphone into this jack.
4. Rear Surround
Out port
Connects to the rear surround input port of your 5.1
channel headphone.
4.2.2 Connecting 5.1 channel headphones
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4.2.3 Connecting analog speaker systems
Connecting 2 channel speakers
No. Items Description
1. Front (R) Out port Connects to the front right input port of 2 channel
speakers using the RCA cable.
2. Front (L) Out port Connects to the front left input port of 2 channel
speakers using the RCA cable.
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Connecting 4 channel speakers / power amplier
No. Items Description
1. Front (R) Out port Connects to the front right input port of 4 channel
speakers.
2. Front (L) Out port Connects to the front left input port of 4 channel
speakers.
3. Rear Surround Out
port
Connects to the rear surround input port of 4 channel
speakers.
Amplifier
OR
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Connecting 5.1 channel speakers
No. Items Description
1. Front (R) Out port Connects to the front right input port of 5.1 channel
speakers.
2. Front (L) Out port Connects to the front left input port of 5.1 channel
speakers.
3. Center/Subwoofer
Out port
Connects to the Center and Subwoofer input ports of 5.1
channel speakers.
4. Rear Surround Out
port
Connects to the rear surround input port of 5.1 channel
speakers.
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Connecting 7.1 channel speakers
No. Items Description
1. Front (R) Out port Connects to the front right input port of 7.1 channel
speakers.
2. Front (L) Out port Connects to the front left input port of 7.1 channel
speakers.
3. Side Surround Out
port
Connects to the Left surround and Right surround input
ports of 7.1 channel speakers.
4. Center/Subwoofer
Out port
Connects to the Center/Subwoofer input port of 7.1
channel speakers using the mini-jack cable.
5. Rear Surround Out
port
Connects to the rear surround input port of 7.1 channel
speakers.
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5. Xonar U7 Driver Guide
5.1 Introduction to the Xonar U7 Audio Center GUI
After nishing the driver installation and rebooting your computer, you will nd the
Xonar U7 Audio Center’s icon in the system tray on the bottom right-hand corner of
the screen. Double click this icon to open the Xonar Audio Center utility.
If the icon could not be found in the system tray, go to the Windows®Control
Panel and double click the Xonar U7 Audio Center icon.
5.1.1 Function Pop-up Menu
Xear Audio Center provides serveral sound effects. There is a pop menu for each
output / input device and you can enter the sound effect page to enjoy music,
movie and gaming.
To open the pop-up menu:
1. Double-click the left button of the mouse on the Device icon.
2. Left-click the mouse on the Device icon.

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No. Items Description
1. Playback (Speaker
Out)
Indicates the output default device.
2. Capture (Mic In) Indicates the input default device.
3. Speaker Numbers Indicates the speaker numbers for Speaker device only.
4. Sample Rate Indicates the sample rate of playback sources.
5.
Audio Output effect
indicator
Indicates the playback sound effect status.
Abbreviation of Sound effect:
EQ: Equalizer
EM: Environment Effects
VSS: 7.1 Virtual Speaker Shifter
FB: Flex Bass II
KS: Xear SingFX for key shifting
VF: Xear SingFX for vocal fading
AB: Xear Audio Brilliant
DB: Xear Dynamic Bass
SVN: Xear Smart Volume
VC: Xear Voice Clarity
SMX: Xear Surround Max
6.
In effect indicator Indicates the playback sound effect status.
Abbreviation of Sound effect:
SF: Xear SingFX for microphone echo
SF: Xear SingFX for Magic Voice
7. Switch to Prole
Panel button
Click to switch the status bar to the Prole panel.
8. Volume Adjustment
bar
Click to increase or decrease volume.
9. Mute / Unmute Click to mute or unmute a device.
10. ASIO Click to launch the ASIO control panel.
5.1.2 Audio Status Panel
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