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**This model is battery powered, has a straight cord and single U-174 helicopter plug with the dynamic mic for military use. The military model does not come with the Bluetooth feature.**
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
We purchased for a customer and they are quite happy.
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It depends on the model you have. If you have a U-174 helicopter version of the Bose A20, a standard converter, like part # 11-10650, will work fine. If you have the low impedance U-174 military Bose A20, you will need an adapter like part # 11-10645.
Yes, this will come with the 5-ohm dynamic microphone used in military applications.
Yes, part # 11-08731 is the low impedance version.
Part # 11-08731 is a low impedance headset. Yes, if you want to use this headset in a high impedance environment, you would need a converter, like Part# 11-06531.
These headsets have a switch in the remote that allows to switch between mono and stereo applications.