Hey mijostyn,
I answered this question already why the NSMT System 2 speakers offer two "breakthroughs". First, the development of a dual driver band-pass subwoofer strategy. Secondly, the financial cost vs, performance ratio. The performance level of this speaker is off the charts. You would have to spend immense amounts of money to equal the System 2's level of performance and still might not even equal it regardless what you spend.
Teajay