1999-2016 Ford Super Duty Extended Cab Sub Box Ported

This is a Ford Super Duty Extended Cab Sub Box for the 99-2016 F250 and F350 trucks. Ford Super Duty Extended Cab F-250 and 350 trucks don’t have a lot of options. Under the rear seat space is at a premium and behind the seat is not an option as the seat back is attached directly to the back wall. For 1999-2016, since space is to tight, in order to get any sort of real, usable space, we made the enclosure out of 1/2″ cabinet grade birch plywood. This gives us more than enough strength and gives us a bit more airspace by using a thinner material. It is 1.54cuft total airspace and will work for a 10 sub or one or two 8s. Also to get more airspace, the enclosure is from the very seat bottom to the floor. So the subwoofers get recessed down into the enclosure to give them room to move. But, since that space is tight, we would still recommend grills to add a little more protection from the seat bottom. Because of that, the mounting depth is only 5 1/2″. Our metal bumps will add an extra 1/2″ mounting depth if you need the depth. If you have any special requests on the box feel free to ask and we can get it taken care of.

This is a ported subwoofer enclosure. Ported subwoofer enclosures are for customers who want louder, deeper bass with the lower bass more pronounced. Because of the ported design, the bass will not be as tight and punchy as a sealed box, but there is typically double the bass of a sealed box with the same subs and power. A sealed subwoofer box has a tight and punchy bass that is more articulate and more true to the music with a more natural sound. If tight, punchy bass is what you want then our sealed designs will be what you want.

This design is for maximum airspace and the airspace of the box can be reduced if desired. Our ported boxes are designed according to your subwoofer’s specifications. No two boxes will really be alike. At checkout, there is a “Comment” box, please give us the model number of your subs and we will build the enclosure as needed. We tend to tune our boxes low, around 34-37hz. If you have any specific requests, please feel free to let us know.

This box is made out of 1/2″ cabinet grade birch plywood and is fully carpeted in matching carpet. The nickle plated spring loaded speaker terminal is mounted on the back of the box and the speaker wires are soldered on for a solid and reliable connection.

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