my friend just gave me his ollldd subwoofer set up and i was wondering what i should do with it.

here are some specs

sub:: a 12 inch in a box. the i did a weasauce overhead drawing of it. the dash is the how the sub is positioned and the opening is the port hole (i thinkt that's what you call it).
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the sub says "depth charge" on it and thats all i can see so i know no info about it


amp: it a crunch (no idea wat that is) its 150x2 watts. if i intall it should i run 300 watts to it or just 150?

i dont know wat i should do with this. the only non-stock part of my stock system is a pioneer 6400. im into sound quality and to this point it was good enough for my ears. should i try to sell this or install this anchor in my trunk? (and general instructions on how this would be done too please)


thanks for the help