User Guide

Connecting to a computer to work as a USB DAC:
The DX300 can work as a USB DAC for Windows PC, Mac
computer, and Linux computer. It is driver free on Windows PC,
Mac computer, and Linux computer. For Windows PC, the DX300
supports WASAPI protocol.
The DX300 supports up to 32bit/384kHz PCM, and DSD DoP up
to 128x when be used as a USB-DAC.
Power on/off:
1. Press and hold the power button to power on.
2. After the DX300 is powered on, a long press of the Power
button to display the pop up window, press Power Off button
to power off the DX300.
Power on/off the screen:
Single press the power button to power on/off the screen after
the DX300 has been powered on.
Reset:
When the DX300 stops unexpectedly during operation and the
keys are no longer responsive, press and hold the power button
for 10 seconds to reset the DX300.
Charging:
DX300 supports two quick charge protocols, QC3.0 and PD2.0.
Charging can be done with a standard 5V USB charger or with
quick charger that is compliant the stated 2 protocols. A full
charge takes about 2.5 hours with the afore mentioned quick
charge types.
Connecting to a computer to work as a USB DAC:
Basic Operation:
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