Seanmiz

I noticed that many cheaper subs list 200hz or even 250hz as maximum frequency responses (such as the sub I am upgrading from), and yet most of the <$1,000 Klipsch subs seem to be at 120-125hz max. I recently purchased an R-120SW subwoofer and I am trying to make sure I have the crossover settings correct. I am wondering how the crossover settings on the sub go up to 160hz when the response maxes out at 120hz? I also have some tiny atmos/height speakers that have a minimum at 180hz, does that mean I would have a deadzone between 120hz and 180hz with this sub and those speakers? Thanks for any clarification!