Custom Ported Box Plans (ADVANCED) (3+ SUBWOOFERS)

$30.00

(UPON PURCHASING YOU WILL BE NOTIFIED THAT THE BLUEPRINT IS BEING MADE, ONCE FINISHED YOU WILL BE EMAILED A ZIP OF YOUR BLUEPRINT!)

  • All allowance to any amount of subwoofers, and designs include carefully calculated port dimensions and tuning frequencies. These features help to enhance the subwoofer's output at specific frequencies, increasing overall efficiency and providing deeper bass!

  • With the advanced box plans you can get a more addictive and new experience with the box you’re wanting to create!

  • Guaranteed SPL, Wind, ETC.

  • PRODUCT IS NON REFUNDABLE

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MAKE SURE TO ENTER INFORMATION DOWN BELOW AND THEN PURCHASE!!