Setting Up 4 Components with 4 Channel Amp and a Powered Sub

hey there :)
i just purchased a new alpine s-s65c and jbl gx608 c and wanted to install them on my nissan versa doors. i dont have factory tweeters so thats gonna be a tough one. ive got a kicker 4ch amp cx300.4 and rockville 10inch slim powered sub with a pioneer headunit fhx730bs.
wondering whats best placement for front and rears jbl fronts and alpine rears or vice versa , also the crossover network set up and the amp output wirings back to the speakers since i got my powered sub installed already im dying to get these 4 components running at perfect impeadance and in a good working order with the kicker 4ch amp. thanks and much appreciated :)

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Cheers

Place whichever pair of components you like the best up front. Before you decide on a location for the tweeters, you can use some double-sided tape until you find what works/sounds best. I prefer the corners of the dash, or the a-pillars rather than the doors. My last car I just left the tweeters on the dash with the double-sided tape. If space is tight and you're not sure if there's enough room to flush mount, use put some "play-doh" or something similar. Put it behind the panel you want to mount to and put the panel in place. Now when you remove the panel, you can see how much depth you have for mounting.

Rears are not as critical. Personally, I just run a decent set of coaxial speakers in back. The gain controls are typically lower for the back speakers anyway, since you want most sound to come from the front.

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My ex once told me I have a perfect face for radio.

much appreciated :))) the 4 tweeters i have they come with casings and mounts and i can direct them 180° the thing is its a quite big job to instqll them on the dash or the pillars cuz tye entire dash will have to be removed since ill have to run the tweeter wires thru that rubber tube between the door and the dashboard ... i already have the latest pioneers 6.5 4ways in the back seat and im not liking how they sound . the rear tweeters i can may be mount on the front edges if the rear doors to kinda have them in the middle of the cabin... .. whats confusing me is the sending back wires (+,_) of each of the 4 speakers back to the stereo harness. where to split the stock harness or the pioneer? and is there am easier way to do that. plus whats a good impeademce for my set up? thanks again

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Cheers

You would only have to run wires from the doors to the pillars/dash if you mounted the crossovers in the doors. There should be plenty of room in the dash.

Disconnect the speaker wires from the Pioneer and cap them or tape them off. If you're mounting your amps in the back, you can run wire directly from your amp to the rear speakers. What I've done in the past, instead of running speaker wires up front, is connect to the factory rear speaker wires. Then the green and purple speaker wires in the adapter harness will now be the input to your front speaker crossovers. The white and grey speaker wires will connect to the woofer output on the crossovers. Then you just have to run wires from the crossovers to the tweeters.

You really don't have to worry about impedance if you use the passive crossovers with the components. The amp will "see" a 4 ohm load per channel. I'd just mount the rear tweeters (if I even used them) somewhere next to the woofers.

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My ex once told me I have a perfect face for radio.

perfff. its all i needed to know <3

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Cheers