Hardwood floors vs carpets

I have a new home that has a large 16 by 13 room but has hardwood floors. I’m wondering if carpeting would be better for sound? I have Wilson Watt 8’s with Wilson center and Wilson rear speakers for when I listen 5.1 sub is REL S5, Macintosh Amp MC-206 and Macintosh MX-120 Oppo 105d and VPI Scout TT. Also with such a large room I wonder if a 2nd Sub would be needed. Thanks for the help!