Speaker wire wall plate: the cable wall plate uses screw-type binding post and is connected with 12 to 18 AWG speaker wire, banana plugs or spade connectors; The two-piece wall plate with insert is easy to install with the matching mounting screwsBanana plug wall plate: the two terminals of this speaker wire wall plate connects a single speaker; The audio wall plates fit an existing standard single- outlet or low voltage brackeEasy to use: the speaker plug wall plate with female ports on both sides can connect to speaker cable concealed behind the wall; Binding post terminals on speaker wall plate have red and black ring labels on both sides for easy identificationDurable material: this speaker wire wall plate is made of material, and the binding post terminals is gold-plated; It has resistance, heat resistance, non-toxic and tastelesscolour:WhiteMaterial:Metal + plasticsize:115 x 70mmPackage Contents:4 x Single- wall plates4 x Banana binding post inserts16 x Machine screws