Will two 10 in fan work just as good as one 12 in fan?

Basically I am designing a stealth room. The 12 inch are really loud. Im wondering would I be better off with two 10 inch inline fans. they are loud too. Or should I get like six 6in inline fans, because their quiet, will that work?

My grow area is 11x14x8 with 3 or 4 1000 watt lights.

i used to cool 5x1000w HPS with 2 vortex 8". The 6" are quite a bit more quiet if u put 4 of them with a 1000w each that would probably work very well too. Now sure which would be quieter. Still have those 2 fans actually, do u live near southern california, they r nearly brand new would sell them cheap still under warranty.