First time Audio Setup advice

[spokey9 5,000+ posts]

The components will sound better up front with the coaxial in the back for rear fill...looks like if you bridge channel 5 & 6 you'll have 600w @ 2ohm which is enough to power a decent 10 or 12

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[brice15s]

Howdy all:
I am about to purchase a sweet 6/6 08' accord and want to get a whole new setup as far as audio.
I am thinking the following:
AMP: Sony 6 channel Bluetooth amp https://www.crutchfield.com/p_158GS6DSP/Sony-XM-GS6DSP.html?tp=115
Components for in door woofers and tweeters: JL-C1 series https://www.crutchfield.com/p_13699043/JL-Audio-C1-650.html?tp=64031
Full Range for rear deck: JL-C1 series https://www.crutchfield.com/p_13699042/JL-Audio-C1-650x.html?l=E

My 3 questions are as follows:
1) Is this going to be the most balanced /ideal setup with woofers in door full range in back and tweeters up front? Or would it be better with all full ranger or woofers in back etc..

2) Since this amp is only 6 channels, would I be able to add a sub potentially down the line by wiring both woofers to one channel or something like that?

3) Will I even need a sub or will these upgraded woofers be enough to satisfy that primal urge to be "bumpin"

Thanks

check reviews on that amp, the bluetooth range seems to be less than ideal