any advice on howto install amps/speakers/sub?

[hungryboy5000]

hey everyone,

so I have a 2018 civic ex 2.0 sedan with 8 speaker system and 7" premium headunit. i plan to keep the headunit, but i will upgrade the front and rear component speakers, as well as add a subwoofer in the trunk.

I have an Orion XTR 5004 4Ch. Amplifier that puts out continuous 80w RMS x 4ch. @ 4ohms.
I think I will be matching this amp to 2 pairs of Polk Audio DB 6502 component speakers, which run up to 100w RMS continuous @ 4ohms.

As for the subwoofer, it will be powered by an Alpine PDX M6 mono amp (continuous 600w x 1ch. @ 4ohms). The subwoofer is a 10" Alpine Type R SWR10D4, rated between 300-1000w RMS, recommended RMS range of 400-750w RMS continuous @ 4ohms.

Ive read that I will need a line in converter, such as the JL FIX86 or AudioControl LC7i, to take the separate speaker signals from the headunit and restore them as a flat freq. range to be fed into the amps from the line in converter? is this correct? Doesn't the JL FIX86 double as a DSP?
*SPECS*
Orion XTR 5004 4ch. amp:
https://www.sonicelectronix.com/item_20886_Orion-XTR5004-XTR-5004.html

6.5" Polk Audio DB6502 components:
https://www.crutchfield.com/p_107DB...ina4ylNefFRh9AxXwh03ZqmsOTP82roAaAoFrEALw_wcB

Alpine PDX M6 mono amp:
https://www.crutchfield.com/p_500PDXM6/Alpine-PDX-M6.html

10"Alpine SWR 10D4 Type R subwoofer:
https://www.crutchfield.com/p_500SWR10D4/Alpine-SWR-10D4.html

JL Audio FIX86:
https://www.crutchfield.com/p_13698...G3ByhjOcTXwxS4SbPVLYubu06RmFYdd8aAl5sEALw_wcB

ALSO: Would I need to invest in a second battery if im running this system (~1000w system)? or can i just upgrade the battery? i was thinking xs power d5100r. or could i get away with just a stock honda battery??? one more thing: howmany amps does the sedan 2.slow alt put out? i dont ever plan to play the system with engine off, either.

any advice and tips on creating a good sql system with this hardware is muchly appreciated!

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[PandaXpress]

I was looking into the FIX86 and the TWK 88 too, before you needed the FIX86 to sum everything and get a full range single and flat EQ and the TWK88 to tune but now the FIX86 has the TuN programming now and you can mess with the EQs so i duno.

The AudioControl LC7i isnt a DSP is just an active Line out converter with accubass, its just to sum everything together to get a full range single.

If you want you can look into Honda Hack to unlocking your headunit and getting Viper4Android to flatten the EQ or change the EQ, but that only works with AndroidAuto music and Bluetooth, doesnt work for Applecar play, radio or XM

Your system is gonna sounds amazing