2 for 1 inline modular adapter with pig tail, 4-conductor to 4-4-conductor, designed for connecting two headsets to a standard console headset jack. 1xRJ22 Plug Input. 2xRJ22 Jacks Output. Flexible Handset Jack Splitter is used for operator training purposes where two headsets can be plugged into the 464 for student and instructor use. Two modular handset jacks and a single modular headset plug 1 inch long cord 4 conductors Applications: Headset operator training Plugs into a standard handset jack Color: Ivory