KTE-12G - Alpine 12" Protective Subwoofer Grille for Alpine Type R, S, and E Subwoofers KTE-12G - Alpine 12" Protective Subwoofer Grille for Alpine Type R, S, and E Subwoofers Provides the best protection possible for your Alpine subwoofer Grille consists of tapered rubber screw cover & mesh grille Includes all necessary mounting hardware Each purchase is for one grille