Yamaha ns300 is good sub for its price, but do plan on its placement, as it has ports on side.
From my experience, there is never a overkill for subwoofer in terms of driver size. Every driver size with its enclosure has its plus and minus.
From my experience, there is never a overkill for subwoofer in terms of driver size. Every driver size with its enclosure has its plus and minus.