Firmware update
DAC
D400 EX V1.1
DO200 MKⅡ V1.0
DO300 V1.13
C200 V1.1
AMP
No content
Headphone AMP
No content
Player
SD9 V1.2
SD9 V1.1
DP5 V1.7
DP5 V1.61
DP5 V1.6
DP5 V1.5
DP5 V1.2
DP5 V1.1
DP3 V1.6
DP3 V1.4
Other
PO100 USB2.0