Zidoo NEO X Manual page 11

❷ Headphone Amplifier Output
There is two headphone ports including 6.35mm and 4.4mm balanced headphone amplifier
output on NEO X front panel. Please connect to corresponding port according to your
demand.
Note：
* This recommended headphone impedance range is 16-300Ω (low-gain mode: 16-32Ω/
high-gain mode: 32-300Ω).
* Switch headphone amplifier gain mode on NEO X OLED screen,
Settings > DAC settings > Headset gain > Low gain/High gain
* The output priority: 6.35mm headphone output > 4.4mmbalanced headphone output >
XLR balanced output = RCA output.
4.4 mm balanced headphone cable
6.35mm single headphone cable
Page 35