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Looking for a box builder in the Bay Area. I have a Polk Audio DVC MM1240 12' 4ohm sub. Just want a very simple/no fancy design ported box to get the maximum sound quality and performance from the SUB. It is powered by an Alpine PDX-V9. Will be going into the trunk of my 2016 Subaru WRX.






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I had that same sub in my 2015 wrx before I had SIS do a full SQ system. That sub is designed for sealed only, so I wouldn't port it. I ran it sealed with just over 500 watts to it, and it was more than enough output.
 

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I had that same sub in my 2015 wrx before I had SIS do a full SQ system. That sub is designed for sealed only, so I wouldn't port it. I ran it sealed with just over 500 watts to it, and it was more than enough output.
I also have an Image Dynamics ID12 D4 V.4, I got this Polk to try out and may return it..
 

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Can't edit my post until 72hours, but I have a change in mind. I need a custom sealed box for my Image Dynamics ID12 D4 V.4 12'' dual 4 ohm sub instead.
 
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