1)Who knows what's the top mounting depth of CDT CL-61A?
2)CDT CL-61A vs Polk EX2560, really SIGNIFICANT SQ difference?
3)I have EX2560 both front and back in my car now, if I upgrade the front component to CDT CL-61A, would I better upgrade the back?
4)Thinking of getting the *PG T400.4...