{"product_id":"ground-shaker-gs-fgmcp28b-dual-8-ported-sub-box-fits-14-18-gmc-sierra-crew-cab","title":"Ground Shaker GS-FGMCP28B Dual 8″ Ported Sub Box — Fits 14–18 GMC Sierra Crew Cab","description":"\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific enclosure for the 14–18 GMC Sierra Crew Cab\u003c\/li\u003e\n\u003cli\u003eDual 8″ ported design — 1.86 ft³ air volume, tuned to 34 Hz\u003c\/li\u003e\n\u003cli\u003e1 slot port (1.65″ × 11.5″ × 20.5″)\u003c\/li\u003e\n\u003cli\u003eMounting depth 6 1\/4″\u003c\/li\u003e\n\u003cli\u003e11\/16″ high quality MDF wood\u003c\/li\u003e\n\u003cli\u003eCarpeted with durable trunk liner finish\u003c\/li\u003e\n\u003cli\u003eSealed with high quality silicone\u003c\/li\u003e\n\u003cli\u003e2-spring loaded terminals\u003c\/li\u003e\n\u003cli\u003eFits under rear seat\u003c\/li\u003e\n\u003cli\u003eFront firing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eGS-FGMCP28B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e14–18 GMC Sierra Crew Cab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003ePorted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWoofer Size\u003c\/td\u003e\n\u003ctd\u003eDual 8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutout Diameter\u003c\/td\u003e\n\u003ctd\u003e7 1\/8″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Volume\u003c\/td\u003e\n\u003ctd\u003e1.86 ft³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning Frequency\u003c\/td\u003e\n\u003ctd\u003e34 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e1 slot port (1.65″ × 11.5″ × 20.5″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e49 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Depth\u003c\/td\u003e\n\u003ctd\u003e6 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Height\u003c\/td\u003e\n\u003ctd\u003e9 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Height\u003c\/td\u003e\n\u003ctd\u003e6 1\/2″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e49″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e13 1\/4″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Baffle Thickness\u003c\/td\u003e\n\u003ctd\u003e1″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003eSubwoofers not included. Price is each.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ground Shaker","offers":[{"title":"Default Title","offer_id":52320145047840,"sku":"GS-FGMCP28B","price":365.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0631\/9904\/files\/fgmcp28b-1_1655512489.jpg?v=1788924756","url":"https:\/\/wavelengthusa.com\/products\/ground-shaker-gs-fgmcp28b-dual-8-ported-sub-box-fits-14-18-gmc-sierra-crew-cab","provider":"Wavelength USA","version":"1.0","type":"link"}