For the sake of argument lets say the two 10" woofers are the same efficiency, doubling the power will produce 3 db more output. Would a little more than 3 db make a big difference? I don't think so. Did the Carver really put out 500 watts continous? Who knows without actual testing. I have noticed that mags like Stereophile do not test (measure) powered subwoofers.

On unexpected low frequencies I have to put my hand under the cabinet to feel the woofer excursion. Why? I don't know I cannot help myself. If it was mounted on the front I would just watch it instead.

The LFM-1 compact is a great "little" subwoofer and it stomps my older $600 sub that I thought was a good sub until now.

I have also noticed my dog being startled on some low bass notes. He jumps up and finds somewhere else to lay farther away from my Outlaw. He used to lay next to my old sub and never move.