when i placed it for very first time it was exactly middle of tv unit there was 100% null i was like wtf. later i treid to move it and good deep bass. i mean loud bass is good but that too only when i set subwoofer level in svs app at -10db else ... even denon has set sub level at +12db . Also when i did play bass loop till 60hz was deep in my chair then for 70 and 80 i had to move my face a little to right side then it was good bass. so i think acoustic foam will do some thing. i have not unboxed yet umik1 i will do it today. is it possible that rew or dirac live can make the sub sound best wherever i place it or null can still be there?