Hello, i have question about loudness difference between two infinity kappa perfect 12.1 subwoofers and two kicker l7 12" subwoofer.. so i have steg k2.01 amplifier that deliver arround 720w rms on 2 ohm.. right now i have duo kicker l7 that my friend borrowed me and its really hitting hard.. but i wanted to know will two infinitys hit arround same or even more on same amplifier? because infinitys sensetivity is 96db and kickers arround 86db..Thanks.