i've had this sub for about 3 years and it peels the paint off the walls, it really thunders through movies shaking the whole house, music has never sounded so good since having this sub, i'm running big 12 inch front mains, a jensen centre5 inch 5 way centre, kef 8 inch surrounds and a 8 inch nile in foof centre back, to run all this i'm using a onkyo TXSR701