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.

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

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

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

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

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

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)

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)

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)

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 )

Headphone amplifier select ( B ): Switch to “A”

Technical Specifications

Hardware Features

Digital Input

USB X 1

S/PDIF X 1

Analog Input

Analog Stereo RCA X 1

Analog Output

Analog Stereo RAC X 1

Analog 1/4" Stereo X 1

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)

Contact :

380674669147
made in china.

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http://grado.kiev.ua