The Bose A20 Aviation Headset is a premium aviation headset featuring active noise reduction (ANR), Bluetooth® connectivity for wireless audio and communication, a comfortable headband and ear cushions, dual volume controls, an auxiliary audio input, and compatibility with a wide range of aircraft. It is designed for professional pilots and aviation enthusiasts seeking superior noise cancellation, audio clarity, and comfort during flight. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Headset with ANR electronics, Control Module with Bluetooth®, Dual GA Plugs (or optional configurations), Microphone with boom, Carrying case, Audio cable, and accessories.
| Feature | Description |
|---|---|
| Active Noise Reduction (ANR) | Electronically reduces ambient cockpit noise |
| Bluetooth® Connectivity | For wireless audio streaming and phone calls |
| Dual Volume Controls | Independent controls for radio/intercom and auxiliary audio |
| Comfort Headband | Adjustable, padded headband for extended wear |
| Ear Cushions | Gel-filled cushions for superior comfort and seal |
| Control Module | Houses Bluetooth® controls, battery compartment, and audio ports |
| Microphone | Noise-canceling boom microphone with mute function |
| Auxiliary Audio Input | 3.5mm jack for connecting external audio devices |
| Battery Power | Powered by AA batteries (alkaline or rechargeable) |
| Auto Shut-Off | Conserves battery life when not in use |
Unpack and inspect contents. Ensure all components are present.
WARNING! Do not use the headset if cables are frayed or damaged. Ensure secure connections before flight.
Power on the headset; familiarize yourself with controls.
CAUTION! Ensure the headset is properly fitted to achieve optimal noise cancellation and microphone performance.
Access functions via Control Module buttons and knobs.
Control Module: Power/Bluetooth® switch, Bluetooth® button, LED indicator, Auxiliary input jack, Battery compartment.
Volume: Left knob controls radio/intercom volume; right knob controls auxiliary audio volume. Bluetooth®: Pair/connect devices, manage calls. Microphone: Boom-mounted with mute button (press to mute). ANR: Automatically active when powered on. Audio Mix: Balance between intercom and auxiliary audio via volume knobs.
Aircraft: Use GA plugs. Bluetooth®: Pair with phone or audio device. Auxiliary: 3.5mm cable for music players.
Tip: Use the auxiliary input for non-Bluetooth® audio sources like handheld GPS or music players.
Supports wireless audio streaming and hands-free calling.
WARNING! Do not pair or manage Bluetooth® connections during critical phases of flight. Ensure primary communication is not interrupted.
Tactile Controls: Knobs and buttons are designed for easy use with gloves. Audio Balance: Independent volume controls allow customization for hearing preferences. Microphone Mute: Easy-access button on the microphone boom.
Disconnect from power before cleaning. Wipe headband and ear cushions with a dry, soft cloth. For deeper cleaning, use a cloth slightly dampened with water and mild soap.
CAUTION! Do not immerse in liquids. Do not use solvents or abrasive cleaners. Allow to dry completely before use.
FCC Compliance: This device complies with Part 15 of the FCC Rules. Bluetooth®: Qualified under Bluetooth® specifications. Copyright © Bose Corporation. All rights reserved. Bose and the Bose logo are trademarks of Bose Corporation. For support, visit www.bose.com/support or contact Bose Aviation Headset Division.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power/ANR not working | Dead batteries | Replace with fresh AA batteries. |
| Bluetooth® not connecting | Pairing mode not active/out of range | Enter pairing mode (LED flashing blue); ensure device is within range (33 ft/10 m). |
| No audio from aircraft | Loose connections/volume settings | Check aircraft plug connections; adjust radio/intercom volume knob. |
| Microphone not transmitting | Mute activated/boom position | Check mute button; reposition microphone closer to mouth. |
| Distorted audio | Low battery/audio source issue | Replace batteries; check audio source device volume. |
Reset: Power off, remove batteries for 30 seconds, reinsert, and power on.
Service: Contact Bose Aviation Headset support or visit www.bose.com/support for service locations.