Complete AIR COM radio harness for single-seaters. The harness includes all signals to work with headsets and a gooseneck microphone. An optional switch can be attached to change the audio mode in AIR COM as needed. Very high-quality design with Tefzel aviation cables and turned crimp contacts Professional Quicklock hood for AIR COM Subsequently adaptable and expandable Microphones, speakers, headset jacks, and switches are not included.