ROCKVILLE RQT12 12" Bedliner Sprayed Shallow Sealed Car/Truck Sub Box Enclosure Rockville RQT12 Single 12 Sealed Subwoofer Enclosure Proudly Made In The USA, Using Only The Finest Quality Materials - For The Best Level of Performance From Your Subs! 3/4" USA Heavy Duty MDF Construction Machine precision cut mounting holes Unique Downfiring design will allow for use in most Pick Up Trucks either under the back seat or even behind the seat