I want 2 subs in a ~250sq ft room. I only listen 10dB under THX reference level (so, ~95dB peaks),and no seat is more than about 9 ft from a sub. I want to achieve a reasonably flat response down to 20Hz (after correct positioning and EQ). I'm only interested in sealed designs because I want maximal possible "tightness" to the bass.\n\nI understand I don't need much in the way of size or power to pressurise this room. But is there anything more to picking a sub than how loud it can get in a given room size?\n\nFor example, the SVS SB-1000 might be good enough for me (it goes down to 24Hz in an anechoic chamber, presumably will go lower in a real room, especially if corner positioned).\n\nBut imagine I had an unlimited budget; would the SVS SB16-Ultra perform better in any way? Could it be "tighter"? Reproduce bass notes better? Have more legroom for explosive peak sounds? Does it have features that let it better integrate with the Front L\/R speakers? Or would it be purely a waste of money?\n\nAny other suggestions for subs?