Brand Spankin New

I am brand new to this and I recently bought 2 12 inch kicker comp subs with a kicker kx 200.2 amp. I was wondering how sufficient this is going to do for SQ. A local dealer was running a deal for the 2 12s and a kicker kx amp for 199. Was this a good deal? O and wat is SCL or something like that.

SQL? SPL?

Also SQ in substage is all relative.