Difference:KDSM-3 to KEDSM-0
![KDSM Black Rear Panel AV-Diff KEDSM2 606px.png](/wiki/images/3/3b/KDSM_Black_Rear_Panel_AV-Diff_KEDSM2_606px.png)
- Addition of Service-Use socket
- Addition of Optical Ethernet connection
- Addition of USB socket for connection to PC/MAC
- Removal of TOSLINK socket from 2off to 1off.
- Removal of 2off EXAKT-LINK sockets from 4off to 2off.
- Addition of another HDMI-2 input
- Addition of third analogue input. (RCA type)