so i found what subs i want. orion xtrapro124. 1000 watt max and 500 watt rms each. 2 subs in a box thats 3 cf. thats what it calls for. now here the tuffy. whats the best Hz to have the box tuned to?

i know this isnt the "Best" system i can buy, but for $250 for the 2 subs i think its good till i buy something made for spl.

is a box tuned to 37Hz to high? from what i keep reading thats okay.