Full installation kit to add an amp & subwoofer Includes (1) vehicle-specific fuse holder bracket with (1) MANL T-Spec® fuse block Cut-to-length braided 4AWG T-Spec® V10 fully tinned marine-grade power and ground cables Cut-to-length 2-channel T-Spec® V10 RCAs, remote wire, and 12AWG speaker wire Includes (1) under-the-seat black powder-coated amp rack Includes all necessary mounting and installation hardware 3 year limited warranty Not compatible with factory-amplified vehicles Designed for use in aftermarket radio installations using small form-factor amplifiers only