We use a 4" aeroport to reduce port noise so you get nothing but clean clear bass from your sub. Also, the sub is recessed 1/2" into the box. All the joints are glued and screwed together to insure that the box will hold up against the high output of the subwoofer for as long as you need it to.
Is it possible to fit two SKAR DDX 10s??
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2.6 cubes(maybe a tiny bit less) tuned to 35, port is like 38”, Skar DDX-12, kicker 1800.1(metered it to around 1500) sub sounds like it's bottoming out, tried several bass frequencies sweeps
Sundown Audio Subwoofers for sale in Mankato, Minnesota, Facebook Marketplace