Features on your Bose Aviation QC-25 Headsets:

– Dual plugs, 

– Noise-cancelling electret boom microphone Bose A20.

– Low-profile volume control knob

– For most configurations, set at the factory for mono (M) audio systems (to provide audio in both ears). to stereo (S) if your aircraft has a stereo intercom.

• Passive Noise Reduction (PNR): Headset provides noise reduction without external power.

• Active Noise Reduction (ANR): Activated when powered with 1.5 V from the battery compartment.

⚠️ Communication with ATC and the cockpit remains fully functional in both modes.

Battery life and replacement Although it varies by usage, battery life averages 35 hours. The battery light indicator starts flashing when there are approximately 5 hours of battery life remaining. When a replacement is needed, use a AAA Energizer® Ultimate Lithium™ Batteries are GUARANTEED NOT TO LEAK. Due to advanced technology, Ultimate lithium™ batteries will not leak under normal consumer usage.

– Auxiliary (AUX) audio input provides a 1/8-inch (3.5 mm) AUX audio input that allows you to use your headset with an external audio source such as a portable audio device or Bluetooth Adapter to listen to music while you fly.

- New Carrying Case included