Provides headset jacks for the crew and cabin locations. For the crew, both the Bose and the OEM headset jacks are provided which allows crew to maintain preference for Bose headsets or David Clark headsets. In the passenger area, the OEM headset jacks are replaced with the Bose headset jacks. This kit installs jacks and wiring only. The Bose Headset Adapter modifies the basic aircraft ICS system for the use of Bose noise cancelling headsets. The headsets are procured separately.