@Tazbud you're on the right track...
@hockey wire harness, that is how everything is connected inside. The images are missing on your last post.
From the plug at the end of the rail I created a 120vac wire harness which powers in parallel the four drivers as well as the 12vdc power supply...
The CXA3070's just arrived however the ones received are not Z2 but rather Z4. Should I return or keep? Seems I got a free upgrade however is't the Z2 more efficient?
I ordered from Arrow a few days ago, couldn't pass up the savings on 20. Spoke with a rep who didn't have any dates for the 3590...argh! Got a 11'x21' space to fill.