Har-Ken HK-103M Triple Binding Post Adapter-Male

Model HK-103 and HK-119 (narrow profile) adapters provide binding posts for the connection of bare ended wires to an XLR connection. The binding posts are spaced to accommodate the use of double plug test fixtures. The red post is normally connected to pin 2, and the black post to pin 3 of the XLR. The third metal push post is connected to pin 1 of the XLR (ground).