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IMPORTANT SAFETY INSTRUCTIONS
Please read and keep all safety and use instructions.
For more information about your A30 Aviation Headset, visit: support.Bose.com/A30support.Bose.com/A30
Bose Corporation hereby declares that this product is in compliance with the essential requirements and 
other relevant provisions of Directive 2014/53/EU and all other applicable EU directive requirements. The 
complete declaration of conformity can be found at: www.Bose.com/compliancewww.Bose.com/compliance
This product conforms to all applicable EU directive requirements. The complete declaration of conformity 
can be found at: www.Bose.com/compliancewww.Bose.com/compliance
This product conforms to all applicable Electromagnetic Compatibility Regulations 2016 and all other  
applicable UK regulations. The complete declaration of conformity can be found at: 
www.Bose.com/compliancewww.Bose.com/compliance
Bose Corporation hereby declares that this product is in compliance with the essential requirements per 
Radio Equipment Regulations 2017 and all other applicable UK regulations. The complete declaration of 
conformity can be found at: www.Bose.com/compliancewww.Bose.com/compliance
WARNINGS/CAUTIONS
• To reduce the risk of fire or electrical shock, do NOT expose this product to rain, dripping, splashing, or moisture and 
do not place liquid filled objects such as vases, on or near the product.
• Do NOT make unauthorized alterations to this product.
• The battery provided with this product may present a risk of fire, explosion or chemical burn if mishandled,  
incorrectly replaced or replaced with an incorrect type.
• If the battery leaks, do NOT allow the liquid to come in contact with the skin or eyes. If contact is made, seek 
medical advice.
• Do not expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like).
• Keep batteries out of reach of children.
• Please dispose of used batteries properly, following any local regulations.
• Batteries may cause a fire or chemical burn if mishandled. Do not recharge, disassemble, heat, or incinerate.
Contains small parts which may be a choking hazard. Not suitable for children under age 3.
This product contains magnetic material. Consult your physician on whether this might aect your 
implantable medical device.
NOTE: Damage could occur to avionics equipment by the use of these headsets if equipment was manufactured for 
use with 600 Ω headsets only. If in doubt, consult the avionics equipment manufacturer.
Please read and save this guide
Please read this guide carefully. Save this guide for future reference and make it easily accessible for passengers and 
third parties who use this headset.
• Switch to an alternate communications method in the event of a headset issue.
In the unlikely event of any headset issue or failure in the passive noise reducing mode, switch to an alternate 
 communications method and use standard cockpit resource management skills to minimize distractions.
• Use the headset at a moderate volume level.
To avoid hearing damage, use the headset at a comfortable, moderate volume level. Limit the headset volume to 
safe levels that do not interfere with your ability to hear informational sounds and warning alarms, such as stall 
warnings or gear up, while piloting.