Bose aviation noise reduction headsets. 2 sets with 3 plug in boxes(one for spare parts) and 2 boxes of new ear cushions. Asking $150 per pair (make offer). They both are identical model AH-BW early model units. These sets will make an ideal system for a homebuilt. I have built a jig and tested each pair for functionality. The plug in boxes have wires marked as to where to install them in your ship. They can also be used without aircraft modification by installing a cigarette lighter plug on the box for power and wired to male mike and phone plugs (not included).
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