I currently have the two 15s in my sig in a 6.5 cu ft box ported at 32 hz in my jeep. I am getting a Volvo s80 here pretty soon am im going to have to put the system in there. Im not going to build in the trunk so im wondering if two 15s in a sealed box will be louder than two 12s ported on the same power. The 12s I would be buying would be flxx 12s.
I would definitely go ported as long as you aren't 'cramming' them in there...if theyre crammed in there you might as well go with a smaller driver and get the same/better performace out of the same space (smaller driver with optimum enclosure) while saving a few bucks on the smaller version.
id say that the 2 15s would prob be as loud as the 12s for some notes but the 12s prob will be louder at the lows and where the box is tuned to/peak at
I definitely don't like having a trunk setup. The only advantage I see is people not being able to see my stuff.
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