Mini USB DAC MKII
USER’S Manual
Ver.1.05
Contents
Introduction --------------------------------------------------------------------- 3
Package Contents -------------------------------------------------------------- 3
Features of the HIFIDIY Mini USB DAC --------------------------------- 4
System Requirements --------------------------------------------------------- 5
Controls and Connectors ----------------------------------------------------- 6
Front Panel Features ------------------------------------------------------- 6
Rear Panel Features -------------------------------------------------------- 7
Mini USB DAC Setup -------------------------------------------------------- 8
USB DAC ------------------------------------------------------------------- 8
USB DAC and Headphone Amplifier ----------------------------------- 9
DAC ------------------------------------------------------------------------- 11
Headphone Amplifier ----------------------------------------------------- 12
Technical Specifications ----------------------------------------------------- 13
Hardware Features --------------------------------------------------------- 13
Audio Performance -------------------------------------------------------- 13
Copyright
2004 --- 2009 All Rights Reserved.
We does not assume any responsibility for errors or omissions in this document or make any commitment to
update the information contained herein.
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Introduction
Thank you for purchasing the aune Mini USB DAC MKII by
Grado.kiev.ua . The Mini USB DAC MKII has been designed to give you a
professional, portable audio interface for your Desktop, Notebook PC or
Macintosh computer, utilizing the convenience of your computer’s USB port;
In fact, the Mini USB DAC MKII is also class-compliant on Windows XP &
Mac OS X 10.2.6 & higher, so no driver installation is necessary—just Plug
and Play. The Mini USB DAC MKII brings you USB, S/DIPF or Line inputs
and stereo Line or Headphone outputs, Please take the time to read this User
Guide. It will tell you how to connect the Mini USB DAC MKII on your
computer and instruct you on how to get the most from your Mini USB DAC
MKII audio interface.
Package Contents
Your Mini USB DAC MKII was carefully packed at the factory, and
the shipping carton was designed to protect the unit during shipping. Please
retain this container in the unlikely event that you need to return your Mini
USB DAC MKII for service.
The following items are included with your Mini USB DAC MKII:
• aune Mini USB DAC MKII
• One (1) USB cable
• AC Adapter For Mini USB DAC MKII (110V/220V )
•1/4" Stereo M to 3.5mm Stereo F Adapter
•This Product Manual
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Features of the Mini USB DAC MKII
• Portable 16-bit/48kHz audio upgrade for laptops and desktops
• Supports professional two-channel playback
• Supports professional headphone amp
• Extremely wide dynamic range and low signal-to-noise
• Analog 1/4” unbalanced outputs for headphone or stereo receiver
• Class-compliancy on Windows XP & Mac OS X (10.2.6 & higher) systems
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System Requirements
The Mini USB DAC has been designed to work with Windows 2000,
or XP and Mac OS X 10.1.5
Recommended—
Windows PC:
• 700 MHz Pentium III
• 128MB RAM
• DVD-ROM Drive
• Windows 2000 (SP2) or XP (SP1) Home or Pro
• Available built-in USB port
Macintosh:
• Apple Macintosh® G4, 500MHz*
• DVD-ROM Drive
• Mac OS X version 10.1.5, 10.2.6 or later with 512MB RAM
• Available built-in USB port
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Controls and Connectors
Front Panel Features
A: Digital signal input select, “USB” use computer USB signal. “S/PDIF” use
digital signal
B: Headphone amplifier select, “A” use rear analog signal input (A IN), DAC
not work “D” use digital signal input (DAC & Headphone Amp both work)
C: 1/4" Stereo headphone amplifier output
D: S/PDIF digital input indicator LED, When have S/PDIF signal the LED
will off
E: Power indicator LED, When connect AC Adapter the LED will on
F: Headphone volume control, the volume control only for headphone
amplifier
Rear Panel Features
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G: DC power jack, Connect AC Adapter
H: Analog signal input, Analog signal input to headphone amplifier
I: Analog signal output, DAC analog signal output
J: S/PDIF digital signal input
K: USB digital signal input, The USB input accepts a ‘B-type’ male USB 1.1
or USB 2.0 Connect
Mini USB DAC MKII Setup
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USB DAC
Mini USB DAC MKII Input: USB ( K ) (connect to computer USB port)
Mini USB DAC MKII Output: Analog signal output ( I ) (connect to
multimedia amplifier speaker audio input)
Digital signal input select ( A ): Switch to “USB”
Headphone amplifier select ( B ): Switch to “D”
USB DAC and Headphone Amplifier
Mini USB DAC MKII Input: USB ( K ) (connect to computer USB port)
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Mini USB DAC MKII Output: 1/4" Stereo headphone amplifier output ( C )
Digital signal input select ( A ): Switch to “USB”
Headphone amplifier select ( B ): Switch to “D”
Mini USB DAC MKII Input: USB ( K ) (connect to computer USB port)
Mini USB DAC MKII Output: (1) 1/4" Stereo headphone amplifier output ( C )
(2) Analog signal output ( I ) (connect to
multimedia amplifier speaker audio input)
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Digital signal input select ( A ): Switch to “USB”
Headphone amplifier select ( B ): Switch to “D”
DAC
Mini USB DAC MKII Input: S/PDIF ( J ) (connect to CD / CD Transport
Coaxial S/PDIF)
Mini USB DAC MKII Output: Analog signal output ( I ) (connect to amplifier)
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Digital signal input select ( A ): Switch to “S/PDIF”
Headphone amplifier select ( B ): Switch to “D”
Headphone Amplifier
Mini USB DAC MKII Input: Analog signal input ( H ) (connect to audio
output)
Mini USB DAC MKII Output: 1/4" Stereo headphone amplifier output ( C )
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Headphone amplifier select ( B ): Switch to “A”
Technical Specifications
Hardware Features
Digital Input
USB
X1
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S/PDIF
X1
Analog Input
Analog Stereo RCA
X1
Analog Output
Analog Stereo RAC
Analog 1/4" Stereo
X1
X1
Power
DC 12 ~ 18V 500mA
Dimensions 130*50*160 (mm)
Audio Performance
Digital Input Impedance on Coaxial input
75 Ohms
Line output
2Vrms
THD
0.01%
Headphone Amplifier output
P－Pmax：10V
Headphone Amplifier output THD
0.05%
Suitable Headphone Impedance
32 ohm---600 ohm
Frequency Response
10Hz---20KHz (-1dB)
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Contact :
380674669147
made in china.
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