Hi everyone, I have two pioneer subwoofers and want to build two separate ported boxes for it.but I am concerned about the company specified size, pioneer suggests to u a box with around 70liters volume but what box I have estimated is around 110 liters.please help me with the nox design (space not a issue since im making this for a home theatre system). I am looking for a very deep(24-45hz) and loud bass