Quote Originally Posted by karma67 View Post
theres only 1 cap i think,i doubt you will notice a huge difference.
Not true Jamie! I've had four pairs of 15's and XR's, had more caps then I care to remember swapped in and out of the XO's. Biggest bang for your buck on the 15XR's is x1 new cap for the XO's, decent binding posts and a complete rewire with decent oxygen free Cu.