<> DUAL SUB BOX 2014-2018 CHEVY SILVERADO DOUBLE CAB - Sound Off Audio, Inc.
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Xtreme Enclosures


If you have subwoofer(s), type your sub model # here:

(Maximum Size: . Type: )

 Product Description


  • Fits dual 8,10 and 12 inch subwoofers
  • Subwoofers fire down
  • 5/8 inch MDF
  • Air space = .55 cubic ft per sub
  • Mounting depth for 8 inch sub = 6 inches
  • Mounting depth for 10 inch sub = 5.5 inches
  • Mounting depth for 12 inch sub = 5 5/8 inches
  • Speaker Terminals included and holes cutout.  Terminals shipped uninstalled and located inside the sub box.
  • charcoal carpet oem colors available for additional cost
  • This is only for Double cab, not the crew cab. We have a box for the crew cab on our website.

Hole cutouts:

  • Standard hole cutout diameter for 8s = 7 inches
  • Standard hole cutout diameter for 10s = 9 1/8
  • Standard hole cutout diameter for 12s = 11 1/8
  • If you don't know the actual hole cutout diameter, choose the standard cutout below.
  • If we don't have your actual diameter listed below, choose the standard cutout, then provide us with your sub model #.  No worries, we can look up the specs of your subs.

Popular subs customer use for this box:

  • JL Audio TW3
  • JL 8W1v3 and 10W1v3
  • JL 8W0 and 10W0
  • Alpine SWRT
  • Kicker CVT, CompRT, Comp, CompD and CompS
  • Sundown E series

We make custom subwoofer boxes for any vehicle or subwoofer you can imagine. We ship nationwide and have been in business for 20 years. If you have a woofer and you need a speaker box, look no further, these boxes are cnc cut and professionally constructed with pride in the USA; Florida to be exact. Call or text 850-674-6363 for any information. Thanks


  • Customers need to check their subwoofers' specifications to see if they will fit the sub box.  Customers may contact us if they are not sure.
  • Customers are responsible for providing us with their subwoofer model # at the time of purchase, so we can ensure it will fit.  
  • If customer doesn't have a subwoofer at the time of purchase, then ask us for our recommendation as to which subs will fit.  
  • We can't be held liable if a customer chooses a subwoofer larger than the specs provided for our sub box. 


 Product Videos

2014 Chevrolet Double Cab Speaker box
  • 2014 Chevrolet Double Cab Speaker box
    This box fits specifically the 2014 Double Cab and not the lar...

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 Product Reviews

Write review

  1. Great box

    Posted by Arnold on 16th Sep 2015

    This box sounds great. Only issue is that the drivers side sub is touching the floor on about a quarter of it. Hoping this won't cause an issue with the sub.

  2. Great product

    Posted by Unknown on 17th Nov 2014

    Very well made box, I like how the seams are sealed with silicon, you don't see that often. I upgraded to the black carpet and it's high quality, not quite as rough as regular box carpet is. Very sturdy box, seems very well made. My only complaint is the depth of the box. The size says 5 5/8" mounting depth for 12" subs, but the ones I purchased at 5 1/2" depth did not fit. Anything bigger than shallow mount is a gamble. Overall it's a great box, very well made. Worth the price to have it under my seat.

Ships within 3-10 business days. We build each box order in the order they come in.
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