CX-90 Rear Seat Entertainment wiring options?

I am looking for help or ideas to mount a monitor connected to Fire Stick and hdmi cable, I used the same in my previous MBZ 2012 GL450 and connected the audio to Aux.

Here in my 2024 Mazda CX-90 PHEV Premium Plus I have lot of challenges, no accessory power for the 2nd row other than bunch of USB C, I need total 4 USB connections (2 for monitors, 1 for Fire and 1 for the HDMI splitter) I don't want to run cables from everywhere. I can take it to some auto accessory installation shop to install a 12v accessory port in the center console below the A/c controls. I also wanted to see if anyone already installed a tablet or other rear seat entertainment system with hiding the cables inside the front seat's back panel etc.

Will be more happy if any idea on installing a bigger foldable screen overhead and the catch is that this vehicle is with panoramic sun/moon roof.
 
Why not just run tablets on the in car wifi? At most this would only require one power cable. Or none at all.

In my car the kids uses tablets with downloaded movies and they have a long enough battery autonomy to last the trips. If i would need data on the way then I would just hotspot from my phone. I just set the tablet on the center console between the two front seats, but they also sell tablet holders that mount behind the front seat headrest.

I think the only difference with your set is that both tablet would show different things and sound. Maybe there can be a screen mirroring app or something like that.

Instead of monitor with hdmi cabling and firestick.
 
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