The biggest problem that most of the so called "premium" systems have,
especially the infinity, is that even with the factory install amplifier,
they are under powered. An aftermarket head unit, regardless of brand will
make them sound a lot better. For the best results though, you may want to
consider either doing a complete system, replacing everything or by passing
the factory amp(s) and installing a new, though not huge aftermarket amp.
Gut and replace is what I did in my QC. Alpine head unit with
Soundtream amps x 5 (all bridged mono), 2 pairs of Soundstream
separates, a pair of 8" Sounstream subs, 2 Audio Control crossovers.
Best system I've ever had. And don't scimp on your interconnects.
That is a system I would love to hear.
Here is what I am running.
JVC headunit/DVD player (I have a 7.2" 16:9 widescreen in the center
PlanetAudio speakers in the front
CV in the rear
2 10" MTX 6000 series subs
All powered by a MTX 5 channel amp
I used a multi channel amp before in another car...but the stereo
separation with this setup is phenomenal. The amps aren't large,
you don't need them large bridged mono, and there is plenty of
"bump". Front amps are D100II 1 for front left, one for front right,
mounted under the center seat to the seat itself. The crossovers
are mounted to the floor below them. The rears get D60II one
each side mounted behind the rear seat and a D200II for the subs.
the only thing u see is the sub box and head unit. I'm thinking of an
LCD display myself for rearward view and such since i need to
hook up to trailers a lot.
The system you describe sounds great ... but how did you overcome the
door panel rattling? I have the factory Infinity with GPS and even as
underpowered as it is, the door panels vibrate A LOT. In fact, you can
hear them over the cranked music.
I used all new plastic clips when I reinstalled everything. I realized
once I removed the panels the only way to have a secure fit was to
replace those clips. If your s hasn't been removed yet, try to press
in in different spots to see if you can press those clips in farther.
I installed an aftermarket amp in place of the Infinity kick panel amp
and blew out 2 of the 4 OEM Infinity speakers within a few weeks. I
then replaced the fronts with Infinity 6010cs components and forgot
about the rears. Now I hear the OEM head unit's horrible THD. Having
the head's speaker leads going into the amp certainly doesn't help, so
now a new head unit is next.
You're absolutely right - it's best to replace everything for the best
sound. The whole system is only as good as the weakest link.
I guess it depends on how critically you listen. I'd install new
speakers and an amp (retaining the OEM head), then listen for a week or
two. At that point you'll probably know what you have to do, if
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