iBasso Audio DX300, User Manual, Page: 11 / 64

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4.4mm Balanced Output
Plug in the 4.4mm balanced earphone and output sound through
the 4.4mm balanced phone port.
When LO is selected, this port works as a 4.4mm balanced line
out port.
3.5mm Single Ended Output
Plug in the 3.5mm single-ended monitor and output sound
through the phone port.
When LO is selected, this phone out port works as a 3.5mm
single ended line out port.
USB-C Port
Connect the DX300 to a computer or a USB charger to charge
the DX300.
Connect the DX300 to a computer to allow the DX300 to work
as a card reader or an external storage.
Connect the DX300 to an OTG storage device to play music
files stored in this OTG storage device.
Connect the DX300 to a Windows PC or a Mac computer to
work as a USB DAC.
2.5mm Balanced Output
Plug in the 2.5mm balanced earphone and output sound through
the 2.5mm balanced phone port.
When LO is selected, this port works as a 2.5mm balanced line
out port.
Mini Coaxial Output Port:
Use the furnished coaxial cable to play music stored in the
DX300 on an external device with a coaxial input port. Mini
coaxial output has the highest output priority which would
close the phone out or line out when coaxial cable plugged
in. The output of this port is up to 24bit/384kHz or DoP
DSD128.