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Bose A30 Aviation Headset 857641-2120, Without Bluetooth, G/A Twin Plug Connector Type, Straight Cable, Battery Powered

Part # 857641-2120=BO
Mfr. Part # 857641-2120
UPC # 17817840507
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The Bose A30, part number 857641-2120, is the highest-performing, most comfortable around-ear aviation headset for pilots ever created by Bose. It dramatically elevates every flight with the best combination of comfort, audio clarity, and active noise cancellation on the market. The A30's lightweight design with low clamping force provides unparalleled comfort over long flights, while maintaining the acclaimed noise cancellation of the Bose A20 but with a lower overall weight and 20% reduced clamping force. Engineered with durability in mind, the A30 headset (857641-2120) is certified by FAA TSO and EASA E/TSO-C139a, ensuring reliability in tough flight conditions. This headset integrates decades of Bose research and development, providing unparalleled audio and communication performance in high-intensity environments. Box Includes:
  • Bose A30 Aviation headset
  • Carrying Case
  • 2 AA Batteries
  • Control Module Hanger
  • 2 Clothing Clips
  • Warranty Card
  • Quick-start and Owner’s Guides


FEATURES
  • Lightweight Design: Provides unparalleled comfort over long flights with 20% less clamping force than the Bose A20.
  • Audio Clarity: Unmatched audio clarity with active equalization, shaping and equalizing incoming signals for enhanced intelligibility.
  • Active Noise Cancellation: Industry-leading with three selectable modes adaptable to various flight environments.
  • Precision-Focused Noise-Canceling Microphone: Engineered for aircraft with "hot mic" or PTT systems, reducing background noise during transmission.

ADDITIONAL FEATURES
  • Removable/Side Swappable Down Cable and Mic: No tools required, boom mic and cable can be mounted on either side of the headset.
  • Shielded, Durable, and Flexible Cable: Resistant to radiated emissions with a thin design for increased freedom of movement and easy storage.
  • (LEMO) Dual plug: With the dual plug, two AA alkaline batteries provide a minimum of 45 hours of operation while flying. This version is user-configured for stereo or mono audio and is commonly used across all aircraft types
  • Automatic Shutoff: Powers down automatically when not in use, with an auto-on feature available on select panel-powered configurations.

BENEFITS
  • Comfort: Lightweight design with low clamping force reduces fatigue during long flights.
  • Audio Quality: Active equalization enhances clarity and intelligibility of incoming signals.
  • Noise Reduction: Adjustable noise cancellation modes improve communication in various flight environments.
  • Durability: Robust design certified by FAA and EASA, ensuring performance in challenging conditions.
  • Versatility: Toolless side swappable mic and flexible cable design for easy customization and use.

ADDITIONAL BENEFITS
  • Digital Active Noise Cancellation: Significantly reduces ambient noise, allowing users to lower radio volume to a more comfortable listening level.
  • Tap Control for Talk-Through Communication: Double tap either earcup to engage low mode and optimize audio for interpersonal communications outside of the intercom.
  • Bypass Communications Mode: Primary intercom audio is available with or without power.

TECHNICAL INFORMATION
  • Certifications: FAA TSO and EASA E/TSO-C139a certified for performance in challenging flight environments.
  • Warranty: Five-year limited warranty with worldwide coverage (excluding wear items like ear cushions, mic covers, and headbands).
  • Durability Tests: Passed 145 separate tests by the Bose research and development team to ensure long-term durability.
  • Carrying Case: Includes a strap, an internal zippered storage compartment, and enhanced padding for safe and secure storage.

SPECIFICATIONS
  • Headphone Fit: Around Ear Circumaural
  • Headband: Circumaural
  • Noise Cancelling: Yes
  • Noise Control Type: Noise Cancelling, Echo Reduction, Adjustable Noise Cancelling
  • Audio cable included
  • Product Material: Metal, Plastic, Fabric
  • Plug Type: G/A Twin Plug Connector Type

Click on the products to buy them separately
Part Number
Product Type
Bluetooth
Connector Type
Power Source
Special Mic
857641-3120
A30 Headset
YES
G/A Twin Plug
Battery Power
NA
857641-3130
A30 Headset
YES
U174
Battery Power
NA
857641-3140
A30 Headset
YES
6 PIN
Flex Power (Panel Power/Battery Power)
NA
857641-3170
A30 Headset
YES
5 PIN XLR
Battery Power
NA
857641-J140
A30 Headset
YES
6 PIN
Flex Power (Panel Power/Battery Power)
NA
857641-T130
A30 Headset
YES
U174
Battery Power
NA
857641-T140
A30 Headset
YES
6 PIN
Flex Power (Panel Power/Battery Power)
NA
857641-T330
A30 Headset
YES
U174
Battery Power
150-OHM
857641-2120
A30 Headset
NO
G/A Twin Plug
Battery Power
NA
857641-2130
A30 Headset
NO
U174
Battery Power
NA
857641-2140
A30 Headset
NO
6 PIN
Flex Power (Panel Power/Battery Power)
NA
857641-2160
A30 Headset
NO
U384
Battery Power
NA
857641-2170
A30 Headset
NO
5 PIN XLR
Battery Power
NA
857641-2230
A30 Headset
NO
U174
Battery Power
5-OHM
857641-H140
A30 Headset
NO
6 PIN
Flex Power (Panel Power/Battery Power)
NA
857641-R120
A30 Headset
NO
G/A Twin Plug
Battery Power
NA
857641-R140
A30 Headset
NO
6 PIN
Flex Power (Panel Power/Battery Power)
NA
857641-R340
A30 Headset
NO
6 PIN
Flex Power (Panel Power/Battery Power)
150-OHM
857641-0010
A30 Headset, No Cable
No Cable
No Cable
No Cable
No Cable
NSN
 
Cage Code
1G3R7 
Country of origin
Mexico 
ECCN / USML
7A994 
Schedule B
 
Dimensions (L x W x H)
7.87 x 4.685 x 10.394 IN
Total Shelf Life (days)
No Information
Hazmat Code
Conditionally hazmat, no hazmat fees apply.
Package Weight
2.64 LB
FAA Approval Code
TSO
ISBN
 
Condition
Factory New 
Color
 
Brand
 
Hazmat(Y/N)
LTL(Y/N)
8130-3 Eligible
Yes 

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