This terminal board was designed for custom applications, where a replacement of the original speaker board is required.Simply press down the terminals and insert speaker wire for direct contact.Rear side requires Spade Connectors, Mini Spade Connectors or direct soldering of a speaker wireSuitable for using at home, in hotel, hall or the other places you want to set a speaker.Easy to mout with 4 mounting holes.Product Name : Binding Post Terminal BoardConnector Type : Screw TypeBinding Post Color : Black & RedPlate Color : BlackMaterial : Plastic & MetalScrew Hole Diameter : 4mm/ 0.16"Plate Size : 9.2 x 7.9 x 3.7cm/ 3.6" x 3.1" x 1.5" (L*W*T)Net Weight : 117gPackage Content: 2 x Binding Post Terminal BoardNote: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.