Preamp or no need?

[Robert.j]

I recently bought a kenwood eXelon x794 HU for my suv looking for better SQ. I notice that the HU has a Lot of settings for the EQ and sound processor area; DO you recommend or even if is necessary to put an additional equalizer/crossover? Suggestions...

I got a 4 channel amp for my components and sub.

[mast240]

i usually love kenwood HU's, just for their EQ's... but the real question is, how well are you going to be able to tune your amps to it? if you can tune your amps perfectly, with a proper o-scope... than those built in EQ's can be your best friends... but if your just trying to tune with a DMM, or, even worse, by ear... than they can make things VERY difficult.