MyTek Liberty DAC II Manual de usuario
2Mytek Liberty DAC II
Owner's Manual Ver. 1.0 / September 2022
© Mytek Audio 2022
The Liberty DAC II rmware can be easily updated via Mytek Firmware
Uploader app. As the rmware is updated, Mytek will be posting new
rmware releases in the support/download section on Mytek website.
Firmware may alter details of Mytek operation and consequently there
will be periodic updates to this manual. For news, driver updates,
technical support, tips and further product information please visit our
website:
mytek.audio
To obtain the tech support please write or call the US ofce for all US
and World support and EU ofce for the European support.
MYTEK.AUDIO NEW YORK OFFICE
148 India St.
Brooklyn, NY 11222
tel. +1 (347) 384-2687
email: [email protected]
MYTEK.AUDIO E.U. BRANCH OFFICE
Slominskiego 15/509
00-195 Warsaw, Poland
tel. +48 22 869 29 06
email: [email protected]
User’s Manual 3
Contents
1. Introduction ...........................................................................................4
2. Package’s Content ..................................................................................5
3. About Liberty DAC II...............................................................................5
4. Device Features ......................................................................................6
5. Quick Start..............................................................................................7
5.1 Front Panel .......................................................................................7
5.2 Rear Panel ........................................................................................8
6. Firmware update Windows .....................................................................9
7. MQA - Master Quality Authenticated ..................................................... 11
8. Remote .................................................................................................11
9. Warranty ..............................................................................................12
4Mytek Liberty DAC II
1. Introduction
Thank you for choosing the Liberty DAC II from Mytek Audio and welcome to the Mytek user’s
community.
Over 30 years of experience in building mastering grade converters and other audio equipment has
been utilized to create this digital to analog converter. Its sophisticated audio path is designed to
deliver bit perfect, high quality, transparent sound to your speakers and headphones. The Liberty DAC
II will play:
• PCM up to 32 bit / 384 kHz
• Native DSD up to DSD256, DXD,
• MQA master quality les out of online streaming services
• Any other digital source equipped with USB, TOSLINK, SPDIF or AES
The Liberty DAC II has been optimized for highest performance and it is plug & play under Windows,
Mac OS and Linux (doesn’t require any additonal drivers).
Enjoy your new Liberty DAC II!
All the best,
The Mytek Audio Team
User’s Manual 5
2. Package’s Content
• The Mytek Liberty DAC II
• USB 2.0 Cable
• Aluminum remote (Apple)
• Power cord
• Owner’s manual
3. About Liberty DAC II
Liberty DAC II is Mytek’s most affordable, yet exceptional, PCM/MQA/DSD USB2 DAC designed for
high-quality music playback and monitoring of all digital audio formats including all high-resolution
formats. The DAC features several digital inputs, digital volume control and unbalanced as well as
balanced audio outputs, and a high-performance headphone amplier. Designed as a little brother of
Brooklyn DAC, Liberty DAC II provides robust performance in a small portable 1/3 rack package.
6Mytek Liberty DAC II
4. Device Features
• Up to 384k, 32bit PCM, native DSD up to DSD256, DXD, ES9038 chipset, 127dB DR
• Analog outputs: 1 pair of unbalanced RCA, 1 pair of balanced XLR
• Headphone amplier: Reference High Current, High transient Headphone Amp, 300mA, 3 Watts,
designed for hard to drive headphones, 0.1 Ohm impedance
• Digital inputs: USB2 Class2 (driverless, all audio formats), AES/EBU (PCM up to 192k, up to
DSD64 DOP), 2x S/PDIF (PCM up to 192k, up to DSD64 DOP), Toslink/ADAT 2x S/PDIF (PCM up
to 192k, up to DSD64 DOP)
• Clock generator: Low noise with 10ps of jitter
• Firmware: Upgradable via USB
• Power supply: Built in oversized 60W linear toroid with automatic voltage switching
• Built-in certied hardware Hi-Res MQA decoder
• Dimensions: WxDxH=5.5x8.8x1.74”=140x225x44mm
• Weight: 4lbs, 2kg
• Warranty: 2 years
User’s Manual 7
5. Quick Start
5.1 Front Panel
1. Headphone Output
2. Input Selection LEDs section
3. INPUT selection button
4. MQA LED
• green color indicates that MQA signal is detected
• blue color indicates that MQA signal is detected and it has either been approved in the
studio by the artist / producer or has been veried by the copyright owner.
5. Bit resolution LEDs section
• 16 BIT LED is on = 16 BIT bit rate is detected
• 20 BIT LED is on = 20 BIT bit rate is detected
• 24 BIT LED is on = 24 BIT bit rate is detected
• 16/20/24 BIT LEDs are on = 32 BIT bit rate is detected
6. Sample rate LEDs section
7. Volume knob (press to mute)
8. IR receiver
9. Volume level LEDs - show current volume level
Press and hold the input button (3) to power on/off the Liberty DAC II
8Mytek Liberty DAC II
5.2 Rear Panel
1. Power Socket
2. S/PDIF Coaxial Input 1 and S/PDIF Coaxial Input 2. These are digital inputs which accept up to
192kHz/24bit. They also accept DSD DoP standard input up to DSD64.
3. Optical Input (TOSLINK). Accepts up to 192kHz/24bit and DSD DoP standard input up to DSD64.
For best results use short high quality TOSLINK cable. Special glass ber TOSLINK cable allows
for longer cable runs and is less jittery than regular plastic ber.
4. Mytek proprietary USB 2.0 Class 2, up to 32bit/384k, DSD256.
5. AES / EBU Digital Input
6. XLR Balanced Stereo Analog Output
7. RCA Stereo Analog Output
QUICK START
Immediate Playback SPDIF and TOSLINK
Connect the analog outputs to your powered speakers, power amplier or preamplier. Alternatively
you can also use headphones. Connect the digital source (CD player) to the DAC. Power up the player,
power amplier and the Liberty DAC II. Choose the input you would like to use by pressing input button..
Immediate Playback USB
The Liberty DAC II custom designed USB2 controller supports driverless operation on all operating
systems. It means that no extra drivers are required. Driverless operation basically means „plug
and play”. The Liberty DAC II will automatically show up on your computer’s list of supported
audio devices as „Liberty DAC II”. Simply choose that as your default audio playback device and the
system will work.
Attention! To prevent damage, do not turn on your speakers on until all
connections have been made.
Do not cover ventilation holes! It’s not recommended to stack
Liberty DAC II. It may result in overheating the device!
User’s Manual 9
6. Firmware update for Windows
The current revision of the Liberty DAC II is shown in
the Liberty DAC II Uploader App.
• The rmware can be updated by using USB2 port and
Liberty DAC II Uploader app.
• It is recommended to turn off any powered speakers
/ power amps connected to Liberty DAC II before
proceeding with the rmware update
Follow the steps below to update the rmware:
1. POWER OFF DEVICE
Please press and hold [Input] button to power off
your device.
2. Run Liberty DAC II Uploader App
After installing Liberty DAC II Uploader application,
a shortcut icon should appear on your Desktop.
Double-click this shortcut to run it. From now, it will
be searching for any Liberty DAC II device connected
to your host machine. A searching process is
indicated by a spinner.
3. Power ON your device in Service Mode
To perform software update for the rst time, it is
recommended to turn-on your device in Service
Mode. To do so, press and hold [Volume] knob
button, than power-on your device by pressing and
holding [Input] button (while still holding [Volume]
knob button). After hearing a “click” from device,
release [Input] button and than release [Volume]
knob button. Your device should be discovered
by Uploader App as Liberty DAC II device running
Service Mode (which will be indicated by MQA diode
Orange color).
10 Mytek Liberty DAC II
4. Choose upgrade le
Now, click on [Add] button to select upgrade le from
you local machine. Your le will be loaded to Uploader
App and displayed by its lename
5. Start uploading process
When your le is chosen, an Upload button should
appear at the bottom of Uploader App. Press this button
to start upgrading procedure. Uploader App should
gray out, and a progress bar should indicate uploading
process completion.
6. Verify your update
After uploading completion, Liberty DAC II will perform
a Software Reset to apply changes related to rmware
update. Your device should be re-connected and re-
discovered by Uploader App as Liberty DAC II running
User Mode. Please verify if current rmware version
matches desired one.
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