Hey guys hows it going? I was hoping that ya can help me out. I currently have a daily/SPL setup in my car. I am bumping a pair of Kicker L7 12s with a Alphasonik amp that is feeding them a 1,000 watts each rms. I love my subs but I feel that I need to upgrade. My subs work great in the USACI lanes and I have gotten a offical 148.5 db with them. But I can not use them for daily use. After about 10 -15 I start to smell burnt coils ( Kicker L7s are only rated at 750rms each). So I am looking to get a pair of 12" BLs. My qustion is; what options should I go with in making this sub? Can I use my current box? It is tuned to 30hz and 4.5 cubic ft for each sub. I am not a hardcore competitor, I just like to compete for the fun of it. So I am leaning more toward a daily setup. Thanks in advance.