2014-18 GMC Sierra Double Cab Sub Box Dual Ported

The brand new 2014 GMC Sierra is an awesome looking truck and needs an equally awesome sounding stereo, and the new NET Audio 2014 GMC Sierra Double Cab Sub Box can take care of that. The 2014 Sierra still have a odd floor under the back seat which makes fitting a box in this truck a bit trickier than some of the past years. Unfortunately, there isn’t a whole lot of space under that back seat. With 1.38cuft of airspace total there is enough room to do a couple of shallow 10s and maybe some shallow 12″ subs in this box. Mounting depth is pretty limited at 4 3/4″ for 10s and 4 1/2″ for 12s and that is based off of a 6″ magnet, so it is pretty much limited to shallow mount subs. The bump options are going to be the best bet to get a decent mounting depth in this box, but because of airspace, I would either do one 12 or possibly a couple of 10s.

This is a ported subwoofer box. Ported subwoofer boxes 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 double the bass of a sealed box with the same subs. 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 box will be what you want.

This is our ported design. 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 subwoofers 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 box as needed. We tend to tune our boxes deep, around 34-37hz. If you have any specific requests please feel free to let us know.

This box is made out of 3/4″ MDF and is fully carpeted in matching carpet. The nickle plated spring loaded speaker terminals are mounted on the back of the box and the speaker wires are soldered on for a solid and reliable connection.

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