If you are using a pre/pro or receiver to handle bass management, then you want to get the sub crossover knob out of the way. Crank it to the highest setting, or to bypass, if you have an older EP series.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85