This time i need 15" suggestions

Why do you keep saying I have no params. I've looked them over like 15 times. Audioque.com/hdcseries. single 15 in a trunk with sub firing up and aero(s) back gonna be louder than single 12" hdc3 or lvl 4 sub and port rear firing off same wattage. Anyone wanna tell me if 1 6" aero is enough or what about 2 4"s also if I did a single aero where would be the best place to put it be? Driver, passenger or middle of box? Or would it be neglible?

 
Yea i was actually thinking about that as well. What do you think would be louder between these setups: Single 15" hdc3 sub up port back, 2 12" sdc2.5's rear firing, or dc level 4 15" sub up port back. all off of a 1200d or nine.1

 
Yea i was actually thinking about that as well. What do you think would be louder between these setups: Single 15" hdc3 sub up port back, 2 12" sdc2.5's rear firing, or dc level 4 15" sub up port back. all off of a 1200d or nine.1
i personally think the 2 12s would hit harder, imo.

 
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