Audio Enhancers NFC55R10 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"; Raw 1-10" Width 30" x Depth 12" x Front Height 5 1/2" x Rear Height 3 1/4" Raw Finish (Uncarpeted) - gives you the option to customized any way that meets your needs, an option at a great price point.100% American Made & 100% Green See Detail Installation Comments Under Product Description