This terminal board was designed for custom applications,where a replacement of the original speaker board is required.Spring terminals ensure a tight and secure connection.Positive (Red) and negative (Black) to ensure proper wiring.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 wireEasy to mout with 4 mounting holes and easy to use.Compact,reliable and durable.Suitable for using at home,in hotel,hall or the other places you want to set a speaker.Package Include:1 x Speaker Binding Post Terminal Board