Thanks Particleman ,
I had purchased a 6.1 HTIB comprising of HTR 5740 , NS 4400 fronts ( 3 way - with 6 1/2 In woofer) & rears(2 ways) & YST SW015 sub.
I am not a audiophile so to say but am not satisfied with this Sub that came along with.
Would SW 150 still be a good option
Regards