Powerful Rockford Fosgate Underseat 10″ Subwoofer speaker box. Easy plug-and-play connections to Audio Roof system. Sturdy construction tough enough to withstand harsh environments and sealed against moisture and dirt. Requires 1 Amplifer kit (715007227) for 1 or 2 subwoofers. Fits two per vehicle: under driver or passenger seat. Maverick X3, Maverick X3 MAX