Here is what I was planning on doing. The Cat5 runs from the first floor to the second and into an OnQ can. I can get wire into the can so what I was going to do is run speaker level to the can and from there run 16/2 to the speakers. The Cat5 is estimated at about 30 ft. and then there will be about 40ft of 16/2 for each speaker.. So will the restriction of the Cat5 permanently restrict the current going to the speakers.. or will the opening up into 16 guage allow a little correction?