A couple of reasons for this...but 5 volts out is the big one. That is a serious pre-amp in the empeg and it sounds great. The other reason is that I want to hide the empeg and use the limited space in the dash for a touchscreen monitor.

What I would like to do is use the functionality of the empeg as a pre-amp/mp3 player and add the other features of video/nav/etc...and send the audio of the alternate sources through the aux in of the empeg which only provides ~1 volt. Control it all with a car PC and have all the audio funnel through the empeg. But at least I keep the 5 volts on the mp3 portion.

Does this all seem crazy?