Installed 2 of my 3 lvl2 10's today , on 800rms. my last setup was a single typeR and the one before that was 2 rf t112d4's, all i can say is wow better than both by far..Ran them for an hour they barely got warm Point of story u make a great sub , What ever u doing keeping doing it cause you're doing it right! Next setup def gonna be some lvl4's.