<> Single 12 Sub Box 2014-2016 Chevy GM Crew Cab Trucks - Sound Off Audio, Inc.
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Xtreme Enclosures

Single 12 Sub Box 2014-2016 Chevy GM Crew Cab Trucks

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

(Maximum Size: . Type: )

 Product Description

Custom Fit Sub Enclosure for 2014-2016 Chevrolet Silverado Crew Cab trucks and 2014-2016 GMC Sierra Crew Cab trucks

This vehicle specific enclosure was designed for a single 12 inch subwoofer and will fit the TW5 13 inch subwoofer.


  • fits single 12 and single TW5 13 inch subwoofer
  • subwoofer fires down (subwoofer faces floor)
  • installs under the rear bench seat
  • sealed custom fit sub box
  • constructed with furniture grade MDF
  • Air space = 1.4 cubic ft entire sub box
  • Mounting depth = 6.75 inches
  • One speaker terminal included.  We don't ship the terminal installed.  We ship the sub box with the individually wrapped terminal inside.
  • charcoal

NOTE: Boxes are carpeted in charcoal. OEM carpet colors available as option for additional cost.

NOTE: Make sure your subwoofer will work with the air space we listed. If not sure, just ask us.


  • 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. 

Popular subwoofers that customers have used for this sub box are: 

  • Sundown SA series, SE series, SD series and SD3 series
  • Alpine SWRT, SWR12
  • Kicker CompRT series, Kicker Comp series, Kicker Comp S, Comp D, CompR, CVR, L7 solobaric
  • JL Audio TW3 series, W1, and W0
  • Rockford Punch series 

When you order this sub box, please provide us with your sub model # if you have subs already. You can type the sub model # in the comment section of the order page. This ensures we cut the holes to match your subwoofers since several subs have different hole diameters. 

Any questions, please contact us 850-674-6363 or sales@soundoffaudio.com 

Our sub boxes are built by us! CNC precision cut and assembled by hand.

We guarantee our sub box will not fall apart.

Our competitors sell cheap pre-fab sub boxes that can't match or beat the strength and sound of our speaker boxes.

You will not be disappointed with our sub box.

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 Product Reviews

Write review

  1. Nice quality box

    Posted by Unknown on 25th Apr 2016

    Very happy with the end result of this purchase. But I almost pulled my hair out waiting on it to get here. These guys know how to build sub boxes but could use some improvement in customer service on communicating actual delivery times so the rest of us can do the same. Felt like I was going to be ripped off for couple of weeks but when I finally did receive the box it was top notch craftsmanship!

GMCREW2014-15 Deep single 12 whole
We build each sub box and ship within 3-10 business days excluding weekends.
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