overnight sensations

I have an interesting topic... well it's something I've been fascinated with for many years... I didn't know exactly what section to post this, but this one seemed like the best fit. It's a sensitivity to low frequencies. I'm a basshead (my best car audio system was a Cerwin Vega Stroker 18...

The P.E. Dayton Audio DIY kits did not fair all that well. Has anyone here heard them? I have not heard either set. The Samba RS drivers are still obviously extremely good reasonably priced drive units. The cabinet is solid but that crossover is just really short of a good design. What gives...