Bose A20 Connecting the headset to the aircraft, Using the 6-pin plug, To connect the headset

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PREPARING THE HEADSET FOR USE

Connecting the headset to the aircraft

The Bose® A20® Aviation Headset can be configured to either plug into aircraft power or rely entirely on battery power.

Using the 6-pin plug

Asingle 6-pin plug inserted into the 6-pin connector provides the headset with aircraft power and intercom audio.

If your headset is aircraft-powered, a 6-pin connector must be installed and mounted to an aircraft panel. See “Mounting the aircraft panel connector” on page 31.

Note: An adapter is available from Bose to convert a 6-pin connector to a dual G/A or U174 plug for additional connection flexibility.

To connect the headset

1.Align the 6-pin plug to the connector keyway by matching the narrow bar on the plug to the slot on the connector.

2.Firmly press the plug into the connector jack.

Align keyway

Push plug in

To disconnect the headset

1.Pull back on the sleeve near the end of the 6-pin plug.

2.Gently continue pulling back to remove the plug from the connector.

CAUTION: Do not pull the connector out without first pulling back the sleeve. Forcing the connector out will damage the cable and/or the aircraft instrument panel.

Pull sleeve back, then pull plug out

Sleeve

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Contents A20 Aviation Headset Safety Information Important Safety InstructionsContents Troubleshooting Operational advisory Recognizing aircraft sounds Hearing safetyVolume control Using audio sourcesEarcup inner screen Headset earcup requirementsIntroduction What’s includedWhat’s in the carton Headset assemblyControl module variations Bluetooth control module Conventional control moduleBattery powered options Dual powered options Power and cable variationsAttaching the microphone assembly Microphone assemblyTo change the operation switches Battery compartmentOpening the battery compartment Operation switchesInserting and replacing the batteries Auto Off functionalityTo insert or replace the batteries To disconnect the headset Connecting the headset to the aircraftUsing the 6-pin plug To connect the headsetUsing other plug types Using the dual general aviation plugsWearing and adjusting the headset Microphone placementConditions related to fit Clothing clips Power button Using the control moduleIndicator color Power source Type of light Indicates Power indicatorAudio priority Auxiliary AUX audio inputMultifunction/audio priority switch has three positions Multifunction/Audio priority switchPairing the headset with your phone Using the headset With a Bluetooth-enabled phoneDisconnecting a Bluetooth technology-enabled phone Bluetooth indicator light statusReconnecting to a previously connected phone Recovering a lost connectionTo clear pairing device history from the headset Bluetooth volume controlMaking and answering calls Headset earcup openings Cleaning the headsetGeneral cleaning Instructions for airworthinessHeadband cushion Replacing partsMicrophone windscreen replacement Microphone windscreenEar cushion replacement Battery replacementReplacing the ear cushions Headband cushion replacement Microphone assembly or access cover replacementStorage Case of difficulty Noise ReductionCommunications Audio Auxiliary audio input Auto off Bluetooth wireless technologyMounting the aircraft panel connector Stereo connection diagram Mono connection diagramDetails on making the connections Helicopter U174 connection diagramTechnical Information Condition Category FAA Technical Standards OrderTo return your headset to Bose for repair WarrantyLimited warranty service Locating the headset serial numberContact information Ordering parts and accessoriesService and Warranty Information

A20 specifications

The Bose A20 Aviation Headset is a remarkable piece of technology designed specifically for aviators and aviation enthusiasts. Since its release, it has garnered a reputation for delivering superior sound quality, comfort, and durability. Manufactured by the well-known audio company Bose, this headset integrates cutting-edge features that enhance the flying experience for pilots and passengers alike.

At its core, the Bose A20 boasts advanced noise cancellation technology. It employs an active noise reduction system that effectively eliminates unwanted ambient noise, allowing users to concentrate on their surroundings and communication without distractions. This feature is especially crucial in the noisy environment of an aircraft cockpit, where engine noise levels can be overwhelming. The A20 significantly reduces this noise, enhancing clarity during radio transmissions.

The headset also offers excellent audio performance. With clear and balanced sound reproduction, the A20 ensures that every communication and audio alert is heard without distortion. This is complemented by integrated Bluetooth technology, which enables wireless connectivity to mobile devices. Pilots can easily stream music or receive phone calls while keeping their hands free, further enhancing the headset's functionality.

Comfort is another hallmark of the Bose A20. The headset is designed for long-duration wear, featuring plush ear cushions and a lightweight construction. The adjustable headband allows for a customized fit, minimizing fatigue even during extended flights. Additionally, the A20 is built to withstand the rigors of aviation use, with rugged materials that ensure longevity.

Another standout characteristic is the intuitive controls and design. The headset is user-friendly, with simple buttons that allow pilots to adjust noise cancellation levels and manage Bluetooth connections effortlessly. Furthermore, the inclusion of a detachable audio cable adds versatility, making it compatible with various aircraft and devices.

In conclusion, the Bose A20 Aviation Headset is a top choice for pilots seeking an exceptional combination of sound quality, advanced noise reduction, comfort, and user-friendly features. Its innovative technology and thoughtful design make it a vital tool for anyone serious about aviation, ensuring a more enjoyable and productive flying experience. Whether in a small general aviation aircraft or a larger commercial cockpit, the A20 stands out as a leader in the aviation headset market.