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**This model has flexible power (both aircraft panel or battery), a single 6-pin LEMO plug, and a straight or coiled cord. Also has an electret microphone.**
I started with a couple of DCs. I traded in one set for Zulus ANR with the trade in program. I let my wife wear them and it changed her whole attitude as she could hear and understand ATC. Because I like to try everything I bought the Bose A20 as the second set. They are now my preferred headset. They are both good ANRs but I think the Bose have better sound quality. A couple of other considerations. The Zulus have BT with music steaming. When I bought the A20s they didnt have music streaming so I didnt get the BT. I have BT in the new radio so no big deal other then everyone has to listen to my music and phone calls. I got the Lemo plug for both ANRs. The Zulus are only usable in a airplanes with Lemo plugs as they removed the batteries when you get the Lemo plug. The A20s have an adapter for normal headset jacks and have the batteries so I can use them in any plane. I bought new earpieces for the A20s as they wore out from my sunglasses after a few hundred hours. The Zulus dont get as much use so its hard to say if they last longer.
Bought mine on sale (pre-owned)). All packing, batteries and case were like new. They came complete with the business card of the previous owner! These work excellent. The only negative I heard was a local pilots comment on the ear cushions not lasting long.... I sense that replacement earpieces will still be worth it when that time comes.
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.
The leads are 5 feet for the Bose A20 cables.
When using an adapter the Bluetooth is powered by the AA batteries inside of the volume control box.
The A20 is a stereo headset.