hey, so my neighbor has two titanium eclipse 12'' in a sealed box wired at 2 ohms with a 1500 watt Hifonics amp. I am wanting to replace what i had before that was two kicker comp vr. so my question is what is better the two titanium eclipse 12'' or two kicker l7s i will be getting a better amp to push them both at there max along with a new alternator and another battery