Visaton 1138 speaker grille visaton 1138 p a protective grille that has been manufactured from metal and given a matt black finish the grille has a decoration ring made of black plastic p p suitable for visaton speakers fr 8 4 omega fr 8 8 omega frs 8 4 omega frs 8 8 omega f 8 sc 4 omega f 8 sc 8 br p visaton 1138 grille for frs 8 fr f 8 sc