What is this feature called?
I am struggling to identify the name of a feature I am looking for in a new Home Cinema amp.
I have a Roksan Caspian M2 hifi-amp, and I want to use this to drive the front, main speakers. I want to let the Home Cinema amp receive the input from the source, send sound to the other speakers (sub / centre / rear), but pass the signal onto the hifi-amp which in turn powers the main speakers. I believe this is a feature of some AV amps, but I can’t figure out what it’s called and therefore can’t figure out which amps support this feature!
A second question is that where a home cinema amp has hdmi inputs, I presume this also carries the audio and that you don’t need to separately attach an optical / digital cable. In this case, what are the digital / optical inputs actually used for these days?
I’d be really grateful if someone could point the way with these two questions.