mid bass speakers

So I have 2 Avatar SVL-1547 D2 15" subs and wanted to know what should I tune my enclosure to? I listen to deathcore and many other types of metal music and would like for it to play good bass with good drums without having it all sound like one big mess. I also listen to electronic music that...

Hi, Few questions 1. Wheres the best place to have mid bass speakers? doors, boot, boot shelf? 2. Are mid bass speakers like standard coaxial speakers but they just give out great bass? 3. What's a good RMS for hard hitting bass mid bass speakers? 4. How would i achieve hard hitting...