Speaker wire wall plate: the cable wall plate uses screw-type binding post and is connected with 12 to 18 AWG bare speaker wire, banana plugs or spade connectors; The two-piece wall plate with insert is easy to install with the matching mounting screws Banana 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-gang outlet or low voltage bracke Easy 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 identification material: this speaker wire wall plate is made of high quality material, and the binding post terminals is gold-plated; It has chemical resistance, heat resistance, non- and tasteless colour:White Material:Metal + plastic size:115 x 70mm Package Contents: 4 x Single-gang wall plates 4 x Banana jack binding post inserts 16 x Machine screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.