Bose A20 manual What’s included, Introduction

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INTRODUCTION

Congratulations on your purchase of a Bose® A20® Aviation Headset. The Bose A20 Aviation Headset is our most advanced aviation headset yet. It delivers significantly increased noise reduction and provides a more comfortable fit, without compromising the clear audio you expect from Bose. Plus, it offers auxiliary audio input and is available with Bluetooth® wireless technology.

What’s included

Each Bose A20 Aviation Headset is supplied with a control module, cable, and carrying case. The type of control module and end-plug configuration depends on the options you chose for your headset.

There are two options for the control module:

Control module with Bluetooth wireless technology

Conventional control module

There are several end-plug configurations for the headset. Your headset falls into one of two general categories:

Battery powered: Operates with battery power only.

Dual powered: Operates with either aircraft or battery power. No battery needed when connected to aircraft power.

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Contents A20 Aviation Headset Important Safety Instructions Safety InformationContents Troubleshooting Operational advisory Hearing safety Volume controlUsing audio sources Recognizing aircraft soundsHeadset earcup requirements Earcup inner screenWhat’s included IntroductionHeadset assembly What’s in the cartonBluetooth control module Conventional control module Control module variationsPower and cable variations Battery powered options Dual powered optionsMicrophone assembly Attaching the microphone assemblyBattery compartment Opening the battery compartmentOperation switches To change the operation switchesTo insert or replace the batteries Inserting and replacing the batteriesAuto Off functionality Connecting the headset to the aircraft Using the 6-pin plugTo connect the headset To disconnect the headsetUsing the dual general aviation plugs Using other plug typesConditions related to fit Wearing and adjusting the headsetMicrophone placement Clothing clips Using the control module Power buttonPower indicator Indicator color Power source Type of light IndicatesAuxiliary AUX audio input Audio priorityMultifunction/Audio priority switch Multifunction/audio priority switch has three positionsUsing the headset With a Bluetooth-enabled phone Pairing the headset with your phoneBluetooth indicator light status Reconnecting to a previously connected phoneRecovering a lost connection Disconnecting a Bluetooth technology-enabled phoneBluetooth volume control To clear pairing device history from the headsetMaking and answering calls Cleaning the headset General cleaningInstructions for airworthiness Headset earcup openingsReplacing parts Microphone windscreen replacementMicrophone windscreen Headband cushionReplacing the ear cushions Ear cushion replacementBattery replacement Storage Headband cushion replacementMicrophone assembly or access cover replacement Communications Case of difficultyNoise Reduction Audio Auxiliary audio input Bluetooth wireless technology Auto offMounting the aircraft panel connector Mono connection diagram Stereo connection diagramHelicopter U174 connection diagram Details on making the connectionsTechnical Information FAA Technical Standards Order Condition CategoryWarranty Limited warranty serviceLocating the headset serial number To return your headset to Bose for repairOrdering parts and accessories Contact informationService 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.