Would be nice if MC had 4pr of spkr wire running up the tower but based on your conversation with MC and you only see 2pr that's probably what you have. If your amp is 2 ohm stable then you can run 2 speakers in series off of each pair of wires.
I did this when I upgraded to 4 spkrs running off of a 2ch amp with 2pr wire to the tower. 100hrs of run time later still works fine.
'06 X2 MCX
"I understand why some people may not want to do this the way I have recommended but I can't understand the death grip some people have on a toilet plunger with a hose fitting." -JimN