XANTECH IRDY4Kit/RP Infrared Kit (4 Source) (Discontinued by Manufacturer) Connects four emitter ports and power supply to all Xantech infrared receivers and key pads Four parallel emitter ports with 470 Ohm resistors drive 4 single or 4 dual emitters Quick-connect stereo mini jack for Xantech IR receivers that use a stereo mini plug 2.1-millimeter coaxial power jack Uses either 781RG (included) or P1216 power supply