ASUS XONAR U7 MKII User Manual

Xonar U7 MKII  
7.1 USB Soundcard & Headphone  
Amplifier  
User Manual  
Table of Content  
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ASUS Xonar U7 MKII User Manual  
1.  
Introduction  
1.1  
Package contents  
Check your ASUS Xonar™ U7 MKII audio card package for the following items:  
ASUS XonarTM U7 MKII 7.1-Channel USB Audio Card  
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 MKII audio card, make sure  
that your computer meets the following requirements:  
USB port 2.0 and above  
Microsoft® Windows® 10 / 8.1 / 7 (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  
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ASUS Xonar U7 MKII User Manual  
 
1.3  
General Specification  
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 + up to 0.0006% (104dB)  
Noise at 1kHz (A-Weighted) :  
Input Total Harmonic Distortion +  
Noise at 1kHz (A-Weighted) :  
up to 0.0001% (-100dB)  
< 10Hz to 46KHz  
Frequency Response (-3dB, 24-  
bit/96kHz format):  
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  
Cmedia 6632AX High-Performance Sound  
Processor (Max. 192KHz / 24bit)  
Audio Processor  
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 44.1K/48K/88.2K//96K/172.4K/192KHz @ 16/24bit  
Resolution  
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  
44.1K/48K/88.2K//96K/172.4K/192KHz @ 16/24bit  
ASIO 2.0 Driver Support  
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ASUS Xonar U7 MKII User Manual  
 
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  
Button  
3.50mm mini jack * 1 (Shared by Line-In / Mic-In)  
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  
Operating System  
Windows® 10 / 8.1 / 7 (32/64bit)  
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ASUS Xonar U7 MKII User Manual  
2.  
Hardware  
Xonar U7 MKII Audio Card  
Top view  
5
4
1
6
3
2
Rear view  
11  
12  
7
8 9 10  
Bottom view  
13  
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ASUS Xonar U7 MKII User Manual  
 
No.  
1.  
Items  
Description  
Headphone Out port  
Connect your headphone to this port.  
Connect your external PC microphone to this 3.5mm  
port for voice input.  
Microphone In port  
Line In port  
2.  
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.  
Microphone Volume  
Control  
Press to increase or decrease microphone volume.  
3.  
4.  
Output Selection  
Indicator  
LED indicator indicates different output selection  
(Headphone/Speaker/S/PDIF).  
Output Selection/  
Volume Control  
Rotate to adjust the playback volume. Press to select  
an output source.  
5.  
For 2/4/5.1/7.1 channel speaker systems, connects to  
the front right input on the powered speakers.  
6.  
Front (R) Out port  
Front (L) Out port  
For 2/4/5.1/7.1 channel speaker systems, connects to  
the front left input on the powered speakers.  
7.  
Side Surround Out  
port  
Connects to the surround channel input on 7.1 powered  
analog speakers.  
8.  
Center/Subwoofer Out Connects to the center/subwoofer input on 5.1/7.1  
9.  
port  
powered analog speakers.  
Connects to the back surround input on 4/5.1/7.1  
powered analog speakers.  
10.  
Rear 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.  
11.  
S/PDIF Out port  
USB Port  
12.  
13.  
Connects to your computer using a USB Type B-A lead.  
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  
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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ASUS Xonar U7 MKII User Manual  
3.  
Driver Installation  
Installing the Xonar U7 MKII Card Driver  
After installing the Xonar U7 MKII audio card on your computer, you need to  
install the device driver that enables the Xonar U7 MKII audio card to work with  
Windows® operating system. Go to ASUS official website www.asus.com to  
download the latest driver.  
The driver is required only when you connect the Xonar U7 MKII to a PC or  
notebook.  
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ASUS Xonar U7 MKII User Manual  
 
4.  
Connecting Speakers and Peripherals  
4.1  
Input connection  
4.1.1  
Connecting to a USB 2.0 port on your computer  
OR  
PC  
NB  
1
USB  
No.  
1.  
Items  
USB Port  
Description  
Connects to your computer using a USB Type B-A  
lead.  
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ASUS Xonar U7 MKII User Manual  
 
4.1.2  
Connecting digital audio systems  
AVR  
S/PDIF  
1
No.  
1.  
Items  
Description  
Connect an AVR to this S/PDIF output port.  
S/PDIF Output port  
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ASUS Xonar U7 MKII User Manual  
4.1.3  
Connecting microphone / Line-In  
OR  
1
HP Out Mic In/Line In  
No.  
1.  
Items  
Description  
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.  
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ASUS Xonar U7 MKII User Manual  
4.2  
Output connection  
4.2.1  
Connecting Stereo Headphones  
1
HP Out Mic In/Line In  
No.  
1.  
Items  
Description  
Headphone Out  
Port  
The Headphone Out port has a built-in high-quality  
amplifier to drive headphones. Connect your stereo  
headphones directly to this port.  
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ASUS Xonar U7 MKII User Manual  
 
4.2.2  
Connecting 5.1 channel headphones  
2
1
3 4  
No.  
Items  
Description  
1.  
2.  
3.  
4.  
Front (R) Out port Connects to the front right input port of 5.1 channel  
headphones using the RCA cable.  
Front (L) Out port Connects to the front left input port of 5.1 channel  
headphones using the RCA cable.  
Center/Subwoofer Connect the Center/Bass-channel 3.5mm plug of your  
Out port  
5.1 channel headphone into this jack.  
Rear Surround  
Out port  
Connects to the rear surround input port of your 5.1  
channel headphone.  
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ASUS Xonar U7 MKII User Manual  
4.2.3  
Connecting analog speaker systems  
Connecting 2 channel speakers  
2
1
No.  
1.  
Items  
Description  
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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ASUS Xonar U7 MKII User Manual  
Connecting 4 channel speakers / power amplifier  
OR  
Amplifier  
3
1
2
No.  
1.  
Items  
Description  
Front (R) Out port  
Connects to the front right input port of 4 channel  
speakers.  
2.  
3.  
Front (L) Out port  
Connects to the front left input port of 4 channel  
speakers.  
Rear Surround Out  
port  
Connects to the rear surround input port of 4 channel  
speakers.  
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ASUS Xonar U7 MKII User Manual  
Connecting 5.1 channel speakers  
3
4
1
2
No.  
1.  
Items  
Description  
Front (R) Out port  
Connects to the front right input port of 5.1 channel  
speakers.  
2.  
3.  
4.  
Front (L) Out port  
Connects to the front left input port of 5.1 channel  
speakers.  
Center/Subwoofer  
Out port  
Connects to the Center and Subwoofer input ports of 5.1  
channel speakers.  
Rear Surround Out  
port  
Connects to the rear surround input port of 5.1 channel  
speakers.  
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ASUS Xonar U7 MKII User Manual  
Connecting 7.1 channel speakers  
3 4  
1 2  
5
No.  
1.  
Items  
Description  
Front (R) Out port  
Connects to the front right input port of 7.1 channel  
speakers.  
2.  
3.  
4.  
5.  
Front (L) Out port  
Connects to the front left input port of 7.1 channel  
speakers.  
Side Surround Out  
port  
Connects to the Left surround and Right surround input  
ports of 7.1 channel speakers.  
Center/Subwoofer  
Out port  
Connects to the Center/Subwoofer input port of 7.1  
channel speakers using the mini-jack cable.  
Rear Surround Out  
port  
Connects to the rear surround input port of 7.1 channel  
speakers.  
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ASUS Xonar U7 MKII User Manual  
5.  
Troubleshooting  
1.  
I cannot install the audio card driver in my PC.  
(1). Ensure that you have switched the USB sound card to USB Audio 2.0 and  
plugged it to the USB port.  
(2). Make sure that the LEDs light up.  
(3). Ensure that you have the latest driver version.  
(4). Check that the Windwos hardware Device Manager has detected the device.  
(5). Restart your computer.  
(6). Try to plug the device into another USB port.  
2. I cannot find the Xonar U7 MKII Audio Center.  
(1). Make sure you have installed the driver.  
(2). Find the Xonar U7 MKII Audio Center icon in the system tray on the right  
bottom of the screen. Double click the icon to launch the Xonar U7 MKII  
Audio Center utility.  
(3). If you cannot find the icon in the system tray, go to the Windows Control  
Panel and double click the Xonar U7 MKII Audio Center icon to make it  
visible in the system tray again.  
(4). After the driver installation is complete, it’s recommended that you reboot  
your computer to complete the setup. If the icon still doesn’t appear, please  
try installing the driver package again.  
3. I can’t hear any sound from my analog speakers  
(1). Ensure that you have connected speakers properly and have powered on  
your speakers.  
(2). Ensure that the device master volume or the software player has NOT been  
muted in the Xonar U7 MKII Audio Center.  
(3). Ensure that the output LED indicator matches the output source configured in  
the device.  
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ASUS Xonar U7 MKII User Manual  
 
(4). If you are using Dolby Digital Live encoder through the S/PDIF output, the  
analog output will be muted to get rid of the interference between your digital  
speaker system and analog speakers or headphones. Please check if this is  
the case.  
(5). Please go to the sound and audio device of Windows® Control Panel to check  
whether the playback default device is set to Xonar U7 MKII Audio Device,  
instead of other onboard AC97 or HDA codec device. If it’s not, please set it  
to Xonar U7 MKII Audio Device and restart your applications.  
(6). Restart your computer.  
4. I can’t hear any sound from the S/PDIF output  
(1). Ensure that you have enabled S/PDIF output in the Audio Center GUI (Main  
page).  
(2). Ensure that you have connected the correct S/PDIF output jack in the card to  
the decoder’s (AV receiver) S/PDIF input jack.  
(3). You may need to select the correct input and mode of your decoder or AV  
receiver. For Dolby Digital or DTS output, double check that the AV receiver  
is in that decoding mode.  
(4). If you are using 192KHz PCM output, make sure that your decoder can  
support 192KHz decoding. Try changing it to 44.1K or 48KHz first.  
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ASUS Xonar U7 MKII User Manual  

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