spare parts

mr.bojangles
mr.bojangles Posts: 13
edited January 2010 in Speakers
i found this guy selling his rt 600Is for 100$

but theres a crack on front plate where the woofer and tweeter go.
is there a place on the polk site where i can order replacement parts?

whats the difference between the rt 600/600i??

thanks for your help guys.