White 2-Gang Audio/Video Wall Plate

You will either have the wires exposed running under the tv to the soundbar (which keeps your home legal) or buy a single brushed pass thru and run the power and HDMI through it behind the soundbar up to the box behind the tv. That’s what I did. It looks amazing, but isn’t up to code.

No it is basically a surge protector.

6 feet is the top cord, and about 2 feet is the bottom. but keep in mind you dont want your distance longer than 6 feet, unless you have alien hands that can reach inside the wall to connect the two power cables...

If you can fish the cables near the outlet I would say yes. I would be careful how close you run the in-wall power cable to the chimney. I would keep far away from heat!

7/8" x 3 1/2" is my best estimate

I would follow your Locational Homeowners code guidelines.

Unsure, check with your local City/County. However, the electrical cable is ROMEX cable, so it is rated to be inside walls.

I checked with PowerBridge tech support and they stated that the adjustable tabs on box will adjust for a maximum wall covering thickness of 1.25”.

There are many ways, one is Home depot has fiberglass rods for that or you you can use a conduit fish wire or a long stiff wire. Hopefully your wall doesn't have fire blocking which is a block that goes from stud to stud

The kit requires a surface to secure it to after the opening is cut out to accommodate it. If you cannot recess the kit in the wall, then it won’t work; however, if there are studs supporting the paneling with the depth needed to mount the kit flush, it should work.