Fins,

I'm not sure what you are asking. It's just a clever headend. There are various DSP effects that one can configure, such as equalization, compression, limiting, etc., microphone preamps, balanced in/out, remote control of output levels, and input selection. Source material is up to the user. Yes, you could control it over the network, but "administrate" would be a better description. They can't stream, that would be the job of peripheral equipment. While these are great units in a commercial context, I wouldn't want one at home.

A little eq and compression will perk up a bar with high ambient noise and the limiting will keep the system safe from the night cleanup crew. There is no need to allow the unit to respond to its front panel -- which doesn't look like anything ever seen at home.

There are other competing boxes, I am most familiar with the dBx.