Rear Seat Expansion Kit with Helmet Kits or Headsets - STX Stereo / Helmet Kit winch fairlead it is not required

it is not required

the straight cable shows strong compatibility with Icom IC-SAT100 Satellite Phone and 5-pin connection intercoms

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Rear Seat Expansion Kit with Helmet Kits or Headsets - STX Stereo / Helmet Kit winch fairlead it is not requiredRear Seat Expansion Kit with Helmet Kits or Headsets can expand a two person intercom system to four persons. Available options are for STX Stereo and Mono Intercoms using a 16' cable. AlphaBass Headset has carbon fiber, leather ear seals, Flex Boom Mic, M101 Red dynamic noise cancelling mic, and controls for volume and bass. Ultimate Mono and STX Headsets have a carbon fiber style finish, flex boom mic, M101 dynamic noise cancelling mic, hard wired