Owner's Manual

Using the Device 37
User Guide
How to
Use USB
Audio
Connect the device to a portable amp or DAC using USB Audio Out.
How to Connect a Portable USB DAC
1. Connect the portable USB DAC to the AK device’s USB
Type-C port with a dedicated cable.
2. Press [ ] in the Notification Bar.
3. Once [ ] is activated, you can enjoy music stored on the
device through the connected portable USB DAC.
How to Change USB Audio DSD Output Type
You can change the type of DSD data that is outputted through
the USB audio out.
1. Select a DSD output type in [Menu - Settings - USB Audio].
PCM : DSD audio is converted into PCM before being
outputted through the USB audio out.
DoP : DSD audio is converted into DoP before being
outputted through the USB audio out.
MQA : Optional activation of S/W MQA decoding.
Options may differ depending on the connected external
device. Please refer to the specifications of each device.
The USB Type-C cable that comes packaged with the device is only
to be used for computer data transfer or to charge the device.
The type of dedicated cable needed to connect to the portable DAC varies;
please refer to USB DAC manufacturer instructions for correct cable type.
A USB DAC cable is not included with the device and must be
purchased separately.
Depending on the OTG cable used, the connection may be unstable.
When a USB connection is established while playing a DSD or DXD file,
a mode selection pop-up box will appear with the following options:
External device connection: Connect the player to the computer to
transfer files, USB DAC for audio playback or CD Ripper connection.
Charge device: Charge the device.
If ‘External device connection’ is selected, DSD or DXD files will be
converted to PCM for playback. If ‘Charge device’ is selected, DSD or
DXD files will be played back natively.