Down 4 Sound - Quad 6.5" or 8" Custom Sub Boxes with Kerf
Should I port my subwoofer box? I've got 2 12s under the seat in my truck and with the windows down they hit like they should, with windows up they sound horrible,
Amazon.com: Facmogu 4in Solid Wood Speaker Enclosure, Speaker Cabinet Enclosure for DIY Car or Truck Audio Custom, Speaker Enclosure Unloaded Box with Sound-Absorbing Cotton & Speaker Terminal Cup : Electronics
Amazon.com: Facmogu 6.5in Gray Carpet Speaker Enclosure, Subwoofer Driver Enclosure with Ports for DIY Car or Truck Audio Custom, Car Subwoofer Box with Sound-Absorbing Cotton & Premium Carpeted Finish : Everything Else
1970 Chevy Single Cab Truck Single 10" (2) 6x9 Enclosure Subwoofer Spe – AK Audio
10 Inch Super Subwoofer with Tweeter Car Audio Fever DIY Car Truck 12V 24V High Power 800W Speaker Active Speaker Modification - AliExpress
How to build - Wedge Subwoofer Box Enclosure! SIMPLE & LOUD!? - YouTube
How to Build a Simple Sub Box : 10 Steps (with Pictures) - Instructables