Bose A20 - LEMO dynamic microphone (low impedance)

Product no.: 324843-2140

Not in stock. Usually
ready to ship within ca. 10 days

Price incl. VAT, plus shipping

Available delivery methods: Zone 1 EU - DHL, Zone 3 - DHL, Zone 4 - DHL, Zone 5 - DHL, Zone 6 - DHL, Inland - DHL, Pick up at AIR Store Walldorf, Zone 2 - DHL, Inland - DPD Hazardous Goods, Zone 7 - DPD Hazardous Goods, Zone 3 EU - DHL, Zone 1 - DHL

The A20 Aviation Headset is engineered to be more comfortable and provide more noise reduction than any headset we’ve ever made, while still delivering the clear audio you expect from Bose. And now there are more features than ever, including: a Bluetooth audio and communications interface; customizable audio prioritization control; intuitive “plug-and-play” operation; a high-performance microphone and an optional coil cord. And at just 12 ounces, it’s still one of the lightest active noise cancelling headsets out there. No other headset offers this unique combination of features and benefits.

  • 30% greater active noise reduction than conventional aviation headsets
  • 30% less clamping force than conventional aviation headsets
  • Clear audio with active equalization
  • Bluetooth audio and communications interface for connectivity with your communications and navigation devices*
  • Customizable audio prioritization control lets you mute an audio signal when receiving a communication, or mix the two together
  • Simple, intuitive headset operation—plug it in, turn it on, go flying


Enjoy a peaceful, comfortable flight

The A20 headset gives you 30% greater noise reduction than conventional aviation headsets, so you’ll enjoy a peaceful flight from short stops to long hauls. And at just 12 ounces, with sheepskin cushions and minimal clamping force, it's one of the lightest and most comfortable aviation headsets you’ll find. All designed to let you focus on what matters—flying.








Clear audio for music and communication

Bose Active EQ keeps the audio clear and distinct, whether you’re listening to music or an important communication.


Simple, intuitive operation

Plug-and-play convenience means the headset is ready to fly when you are—no need to press a lot of buttons first just to activate it.


Enhance your experience

The ergonomic control module includes an auxiliary audio input with Intercom/AUX priority switching, ideal for dedicated GPS and traffic warning systems. It also features a customizable audio prioritization control with “mute” and “mix” settings, and flexible power circuitry with auto-on that switches to and from battery power and aircraft power. Select models also include Bluetooth connectivity for taking calls or listening to music.


For all types of aircraft

The A20 Aviation Headset is available in dual plug, 6-pin plug and U174 plug models and a variety of configurations designed for use in all types of general aviation aircraft, including helicopters.


More features

  • Coil cord down-cable now available in select configurations
  • Certified to FAA TSO-C139 and EASA ETSO-C139
  • Adjustable powered microphone can be connected to either earcup and set in a range of stable positions for optimal communications
  • Smart shutoff helps provide at least 45 hours of use from just two AA alkaline batteries
  • Five-year transferable limited warranty covers parts, labor and second-day return shipping expenses for non-abuse malfunctions


Tech Specs



  • Headset: 21,4 cm x 16,1 cm x 8 cm (HxBxT)
  • Weight: 340 g


In the box:

  • A20® Aviation Headset
  • In-line clothing clip
  • Control module
  • 2 AA batteries (not required and not supplied in LEMO, FISCHER, and XLR5 configurations)
  • Aux-in cable adapter
  • Carrying case


Shop with confidence

Bose Aviation Partner - AIR Store

AIR Store is an offcially authorized Bose Aviation Partner. We offer a broad lineup of Bose aviation products. Our team of pilots is comitted to providing you the best possible service, before, during, and after your purchase.

Because AIR Store is all about stress free headset shopping, we offer a 30 day no-questions-asked return policy on all headset purchases. Take some days to test fly your new headset. If you are not 100% satisfied, return it to us in the same condition you received it and we will issue a full refund.


Product Note Status Price
Bose Mic Muff (low impedance dynamic mic) Bose Mic Muff (low impedance dynamic mic)
11.00 € *
Bose A20 Ear Cushions Bose A20 Ear Cushions
28.00 € *
Bose A20 Headband Cushion Bose A20 Headband Cushion
24.00 € *
Bose A20 Headset Accessory Refresh Kit Bose A20 Headset Accessory Refresh Kit
68.00 € *
Bose A20 Carry Bag Bose A20 Carry Bag
29.95 € *
Prices incl. VAT, plus shipping
Display accessory details

Browse this category: Bose A20 Low Impedance Headsets