This makes a really great improvment if you are using any type of computer based USB-output as most of them are not created for audio. Even some dedicated servers, that are based on NUC-machines benefit greatly if you put a tX.USB Ultra between the source and the DAC. You can even get an improvement between SOtM streamers and DACs, although their USB connections are optimised to sound great. The cLK version includes an external connector for connecting a central, extremely accurate clock, sCLK-OCX10. Using a Master Clock will enhance performance. Another way to furter improve sound is to connect a separate power supply, like a sPS-500