Connects 4 emitter ports & power supply to all Xantech IR receivers & keypads 4 parallel emitter ports with 470W resistors drive 4 single or 4 dual emitters Quick-connect stereo mini jack for Xantech IR receivers that use a stereo mini plug Status terminal for connection of Xantech IR receivers & keypads with status indicator LEDs 2.1mm coaxial power jack Uses either the XAN781RG or XAN78200 Power Supply Dim: 1.75 H x .3 W x .81 D Also known as -Xantech Four Way Signal Spliter-XANTECH 789-44 1-Zone Connecting Block (without Power Supply)