There is actually an even worse way to do this:
Use DSP to create your crossovers, then global EQ to bang the living heck out of the results. UGH. I see this not just with subs but with multi-way DIY systems. Don't do that.
Use DSP to create your crossovers, then global EQ to bang the living heck out of the results. UGH. I see this not just with subs but with multi-way DIY systems. Don't do that.