Coaxial cable for a sub?

Question

my electrician roughed in the sub wiring in my house. There are 2 speaker wires and a coaxial cable running from the location where my receiver will go to the spot where the sub will go. What is the coaxial cable for?

Answer 1

Most subs have a place where you can run your front speakers and make them have more bass and the coaxial runs the sub