ASC Dodge Ram Quad or Crew Cab Truck 2002-2012 Single 10" Subwoofer Custom Fit Sub Box Speaker Enclosure Dimensions: Width 19-1/2 x Height 7-1/2" x Depth 13-1/2" Install Location: Under Rear Seat (Driver Side) Install Notes: Storage tray underneath rear seat has to be removed Mounting Depth: 6 Inches Air Space: 0.50 Cubic Feet