<> Dual Sub Box with Amp Rack 2014-2016 Silverado / Sierra Crew - Sound Off Audio, Inc.
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  • available in black and other colors
  • Available in cocoa and other colors to match interior
  • box in photo is carpeted in cocoa color which is additional fee
Xtreme Enclosures

Dual Sub Box with Amp Rack 2014-2016 Silverado / Sierra Crew

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

(Maximum Size: . Type: )

 Product Description

Fits 2014-2016 Chevrolet Silverado Crew and GMC Sierra Crew

NOTE:  This will not fit the 2014 2500 and 3500 crew cab trucks.  If you have the 2014 2500 and 3500, choose one of our boxes we have listed for 2007-2014.


  • Mount your Amplifier in the rack built in the sub box
  • Dual sub box fits under the rear seat
  • Subwoofers fire down
  • Fits two 8s, two 10s and two 12s
  • Mounting depth = 5.5 inches (can increase depth to 6.25 for additional customization fee. Depth option choice at bottom of this page)
  • Two speaker terminals included in packaging. We ship the sub box with the individually wrapped terminals inside. 
  • Constructed with MDF wood
  • Carpeted in charcoal carpet, but available in OEM colors to match interior.

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

  • Sundown SA series, SE series, SD series and SD3 series
  • Alpine SWRT, SWR8, SWR10 and SWR12
  • Kicker CompRT series, Kicker Comp series, Kicker Comp S, Comp D, CompR, CVR, L7 solobaric 8s and 10s
  • JL Audio TW3 series, W1, and W0
  • Rockford Punch series 8s 10s


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 inches
  • 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.




  • 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. 



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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We build each sub box and ship within 3-10 business days excluding weekends.
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