I'm eyeing some entry in-wall speakers and came across the Infinity CS60 and JBL SP6II. They look the same, though I have yet to find a clear image of the JBL rear. Is it possible they're the same or just Harman reusing the same frame design for multiple product lines? There's a hefty price difference but I've not read a review for one saying just get the other. JBL is nearly double unless you go Harman outlet, then the JBL is actually less. Any ideas?