kicker 11s12l72

ok so, i already have a box for the 2 Kicker 11S12L72. i was told kicker does a better job by it self in a single box. Is this true?

hello, i am having trouble how to wire these subs perfectly. i seen so many pics how to wire but i dont think any of them are right. Here is the amp i have rockford fosgate R1200-1D and these are the 2 subs i have Kicker 11S12L72. I want to wire these subs to max it can support which is 2 ohms...