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**This model is battery powered and is available in either a straight or coiled cord and has a single U-174 helicopter plug. It also has an electret microphone for civilian helicopter applications.**
Another great product from Bose! But l am really giving the five star rating to Aircraft Spruce for their ease of ordering and speedy delivery of the exact product that I had ordered. Thanks Aircraft Spruce! On a side note, my wife had ordered the same headset directly from Bose for my birthday six weeks ago at a higher price. Well after six weeks of waiting I canceled the order through Bose, ordered the same headset through Aircraft Spruce and three days later I was enjoying my new headset in flight.
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.
Yes, part #'s 11-13775 and 11-08726 are intended for use in civilian helicopters with a U-174 input plug and high impedance microphone. For military style U-174 low impedance helicopters, part # 11-08731 would be correct.
If you order Part# 11-13775 and Part# 11-10650 you will received the headset and the correct adapter.
Yes, the Bose A20 comes with a headset case.