Multiple Amps and Batteries Install question

[GD27]

I'm planning on installing two Sundown x-18s in my Yukon and am planning to hook them up to two Hifonics BRX-2400.1d amps strapped. I've also done the big the upgrade, upgraded my alternator to a DC power spx 300A alternator and am planning on installing 3 Kinetik hc 1800's (One to replace front batt and other two in the back of my truck). I also have two runs of 0awg power cable already ran from front to back as well as one run of 4awg. My question is what would be the best way to wire the amps to the batteries. Can I just parallel the batteries then wire each amp to it's own battery? I was thinking about using the 4 awg run to wire my hifonics 640w 4 channel amp to the primary battery, then have one run of 0awg from the primary battery to each of the rear batteries (And jump the two rear batts together) and have each brx-2400.1d wired to each of the rear batteries. Would this work? Or is there a better way to do this? Any advice would be greatly appreciated.

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[globalminds_ent 10+ year member]

I would run amps from the last battery idk if that's right but seems like you would want to only use one battery like it's one big battery if that makes sense. Just get a battery terminal with multiple hook ups for your wires