i am wanting to build a custom sub box for 3 10" subs...but 1 of them needs to be ported..and the other 2 sealed....so my question is can i build a 3 sub box the the middle sub ported and 2 outside subs sealed?? the reason i am doing this is because i want 1 as my main sub and the other 2 on a switch so when riding if i want all 3 i hit the switch and the 2 sealed subs power up and start hittin...i am thinking about having 3 kenwood subs and i have been told about the 2 amps i am going to need because the way i want to have them amped and powered