OFFROAD Nexus Jack to IMSA Plug Adapter allows connection of OFFROAD Helmet Kits to IMSA Jacks with an adapter cable. The blue Jack is connected to an OFFROAD cable and the black cable is inserted into an IMSA style Jack, preparing for race. The black represents IMSA Plug while blue signifies Offroad Jack. For IMSA to OFFROAD Adapter, IMSA Helmet to OFFROAD Adapter is used.