is this enough power ?

I have three rockford p3's and 1 T8002 i want to know if this is going to be enough power for all three of the subs

You need to loosen up the fingers and type more info in your question.  Box type and size, impedance load on the amp, amp's power output, vehicle....  And do you have this all hooked up yet or is it sitting in the garage waiting for someone to tell you it's okay to install?

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.