Sold my quad, got mad $$$ upgraded from the Q's. Got 2 18" btl's fully loaded, and am about to order 2 saz-3000d's. I need to hear the music though! I have a budget of $300 give or take for an amp and speakers. Im not a sql nut, i just need these speakers to get loud, and scream over the bass. How would something like 4 pairs of these sound (in terms of loudness and quality)? What will get louder?