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**This model is battery powered, has a straight or coiled cord and single U-174 helicopter plug and optional Bluetooth. Also has an electret microphone for civilian helicopter use.**
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
5 star
BOSE A20 HEADSET HELICOPTER PLUG W/ BLUETOOTH ELECTRET MIC
BOSE A20 HEADSET HELICOPTER PLUG W/ BLUETOOTH ELECTRET MIC
BOSE A20 HEADSET HELICOPTER PLUG W/ BLUETOOTH ELECTRET MIC
BOSE A20 HEADSET HELICOPTER PLUG W/O BLUETOOTH ELECTRET MIC
The best headset on the market...
BOSE A20 HEADSET HELICOPTER PLUG W/O BLUETOOTH ELECTRET MIC
BOSE A20 HEADSET HELICOPTER PLUG W/O BLUETOOTH ELECTRET MIC
Best headset! Excellent quality!
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Bose did make there older Bose X headset with a coil cord option but not for the Bose A20 line.
The difference is in the impedance of the microphone. The military uses a low impedance (dynamic) standard for it's microphone while the civilian helicopters use the same U-174 plug but with a high impedance (electret) mic.