View Full Version : Help me decide the box for my truck

03-25-2009, 04:44 AM
I drive an extended cab f150. No backseat. With a RE XXX 15" running 2000RMS, what type of box should i make for more spl, ported sub forward port up, sub up port up, sealed? And if ported, what box size and tune with port size amd i looking to make?

03-25-2009, 09:03 AM
no rear seat? buy another sub and build a wall stop playing around lol ????gl w/ build

03-25-2009, 10:34 AM
sub forward and port up. make sure you are under the window line......

also the XXX sounds amazing but it isnt the right sub for spl... go 4.5 cubic ft and tune it to 38hz. this way you can still listen to music