M frame 2 speakers vs 4 speakers slot loaded

[lagarcha]

Hi from Argentina, and first, excuse my poor english.

My question: what configuration sounds better? 2 M frame speakers (as linkwitz LX521 Monitor) or 4 slot loaded speakers (nelson pass slot loaded)?

I have 8 cheap 10" woofers, I plan cut at 200-300 hz

Thanks in advance