<![CDATA[Sound Off Audio, Inc.: New Products - SIERRA DOUBLE CAB]]> https://www.soundoffaudio.com Tue, 11 Aug 2026 15:00:27 +0000 <![CDATA[DUAL SUB BOX 2014-2018 GMC SIERRA DOUBLE CAB]]> https://www.soundoffaudio.com/dual-sub-box-2014-2018-gmc-sierra-double-cab/ Wed, 20 Nov 2013 13:52:55 +0000 https://www.soundoffaudio.com/dual-sub-box-2014-2018-gmc-sierra-double-cab/ DUAL SUB BOX 2014-2018 GMC SIERRA DOUBLE CAB

FITS THE ALL NEW 2014-2016 CHEVROLET SILVERADO DOUBLE CAB AND 2014 GMC SIERRA DOUBLE CAB

  • Fits dual 8,10 and 12 inch subwoofers
  • Subwoofers fire down
  • 5/8 inch MDF wood
  • Air space = .55 cubic ft per sub
  • Mounting depth for 8 inc..

    Price: $239.00

    ]]> DUAL SUB BOX 2014-2018 GMC SIERRA DOUBLE CAB

    FITS THE ALL NEW 2014-2016 CHEVROLET SILVERADO DOUBLE CAB AND 2014 GMC SIERRA DOUBLE CAB

    • Fits dual 8,10 and 12 inch subwoofers
    • Subwoofers fire down
    • 5/8 inch MDF wood
    • Air space = .55 cubic ft per sub
    • Mounting depth for 8 inc..

      Price: $239.00

      ]]> FITS THE ALL NEW 2014-2016 CHEVROLET SILVERADO DOUBLE CAB AND 2014 GMC SIERRA DOUBLE CAB

      • Fits dual 8,10 and 12 inch subwoofers
      • Subwoofers fire down
      • 5/8 inch MDF wood
      • Air space = .55 cubic ft per sub
      • Mounting depth for 8 inc..]]>