The Bose A20 Aviation Headset (P/N 324843-2070) is a wired, non-Bluetooth headset with a 5-pin XLR connector, offering advanced active noise reduction, clear audio with active equalization, and FAA TSO C139 certification for professional aviation use.
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Boeing Distribution (formerly Aviall)
This product has been replaced by new Part # 857641-2170=BO
The Bose A20 Aviation Headset (part number 324843-2070) is a wired, non-Bluetooth model engineered for exceptional comfort, clarity, and noise reduction. The A20 delivers 30% greater active noise reduction than conventional headsets and features active equalization for clear audio. It provides a comfortable, stable fit with reduced clamping force and supports flexible power via AA batteries or aircraft power. The headset includes a high-performance electret microphone and allows the mic connection on either earcup, making it suitable for professional flight operations that require a 5-pin XLR connector.
Features & Benefits
Acclaimed noise reduction: 30% greater active noise reduction than conventional headsets
Superior comfort: Comfortable, stable fit with 30% less clamping force
Clear audio with active equalization for enhanced intelligibility
Flexible power: Auto-on circuitry switching between battery and aircraft power
Customizable audio prioritization and intuitive operation
Mic connection configurable to left or right earcup
High-performance electret microphone
Lightweight: Among the lightest active noise cancelling headsets
Specifications
Part Number: 324843-2070
Model Name: A20 Aviation Headset
Connectivity: Wired
Connector: 5-pin XLR
Bluetooth: No
Noise Control: Active Noise Cancellation
Microphone Type: High-performance electret
Weight (On-head): 12 ounces (340 grams)
Clamping Force: 30% less than conventional aviation headsets
Certifications: FAA TSO C139
Power Source: Flexible power circuitry (AA batteries or aircraft power)
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
