sound quality between carputer going through the HU and carputer going to amp
Is there a big difference of the sound quality between going through the headunit for sound, and going directly from carputer so amps?
My headunit is the Pioneer P7500dvd with 5.1 output. Right now my carputer is hooked up to the headunit but the sound output is only 2 channel intead of 5.1 surround. My headunit then use dolby digital to make the 2channel sound from my carputer into 5.1 surround.
Is the 5.1 surround sound from my headunit going to sound different then a true 5.1 surround sound directly from the carputer to the amps?
Is the difference very noticible?
Will using a line driver between the carputer and headunit make it less easily to distort at higher volume? It allows me to turn down the volume on the carputer, am I correct? Right now I set my volume to 75% with my carputer and when I turn up my headunit it starts to distort.