Home Avionics 40416G-60 IS HEADSET-MIC,BTH H6740-34 40416G-60 IS HEADSET-MIC,BTH H6740-34 40416G60 SKU: 40416G-60 Categories: Avionics, Avionics & Instruments, David Clark, Headsets, Pilot Supplies Tags: BTH H6740-34, IS HEADSET-MIC