I really must have miss the arguments. We were just stating our opinions. I'm sure you have never done that in the past. He asked a question and I gave him an answer based on my experiences. I've ran Power HX2's sealed and ported for a year and a half. One of my best friends owns a kicker dealership, and one of the other is an installer there. This town is flooded with L7's and L5's. With my old ported box I was louded than ANY L5 setup, but couldn't hang SPL wise with L7's. Just a fact from my own personal experience. I'm sure you would have liked that shared with you if you were debating an SPL setup with 1 of the 2 subs.