Criticisms:
1) A single switch to toggle between USB and optical / coaxial, but no switch to select between optical and coaxial. A source must therefore always be switched off completely.
My case CD players coaxial, telecom TV receivers optically connected. If I want to switch from TV to CD, I need your receiver completely off (Standby is not enough). The telecom receiver has a boot time of several minutes. And Unplugging is not an option ...
2) inputs and switch front RCA outputs rear-> Aufstellprobleme. A device with a switch should all cable entries / outputs have rear ...
But no matter: This device can really come cheap in a different league, music from your PC, TV and normally expensive CD / DVD players will be significantly upgraded.