Now It was time to cut the port hole, the front had to cover the entire surface because it was just BARELY wide enough for the sub cutout to fit on.
First witch a jigsaw then with a...WAIT, I didn't have a bottom follow bit 1 1/2" long, so I dangled one out of the chuck by only about 1/4" and grinded my way through at first just half of the front plate. Perfect...
How to use a router dangerously 101
A japanese saw gets the corners perfect and a roundover is always nice
And behold it looks decent