Audio Enhancers NFC55C10 Nissan Frontier Crew Cab 2005-2015 Subwoofer Sub Speaker Box Designed for 2005-2015 Nissan Frontier Crew Cab Truck Down Firing; Total Air Space 0.55; Mounting Depth 4 1/4"; Carpeted 1-10" Width 30" x Depth 12" x Front Height 5 1/2" x Rear Height 3 1/4" See Detail Installation Comments Under Product Description 100% American Made & 100% Green