Sorry, I need to clarify something, I wrote:
What I should have written:
The other benefit he claims is that because of how the parts are arranged, they stay out of the path of the drivers. A $30 cap in his speaker is equivalent to a $300 cap in others.
What I should have written:
The other benefit he claims is that because the crossover components stay out of the path of the drivers in a series XO (which is true) a $30 cap in his speaker is equivalent to a $300 cap in others which greatly reduces the price he has to sell his speakers at to reach equivalent performance with a parallel crossover.