@daveyf, the one thing I have going for me is my room may not be an acoustically small room. Behind my seating position is only a 3' tall wall, above that is open to my family room and kitchen.
I will say, so far so good. The second sub adds more punch. Note that I do not listen at high volume (~70db). Whats interesting to me is that I never thought the music I listen to had much bass at all. But if i place my hand near the subwoofer cone, I can feel it moving quit a bit even during parts of songs that I didnt realize even had bass below 40hz which is about where I crossed the subs over. Anyway, I will keep you posted.
I will say, so far so good. The second sub adds more punch. Note that I do not listen at high volume (~70db). Whats interesting to me is that I never thought the music I listen to had much bass at all. But if i place my hand near the subwoofer cone, I can feel it moving quit a bit even during parts of songs that I didnt realize even had bass below 40hz which is about where I crossed the subs over. Anyway, I will keep you posted.