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Three decades of research have resulted in the most advanced Bose consumer noise reduction technology ever to be developed. The QuietComfort 2 headphones offer this noise reduction technology while maintaining our acclaimed lifelike audio performance and comfort. Enjoy them when you fly, work, or just relax.
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English Before you put on the headphones For noise reduction only 1. Tilt the top of the right earcup inward to gain access to the battery compart- ment. 2. Open the battery compartment and insert the battery as shown. Put on the headphones. Then slide the power switch forward to the On position.
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English For noise reduction and audio 2. Connect the headphones cord to an audio source. To enjoy both noise reduction and audio: The LO setting of the LEVEL switch Note: 1. Gently push the headphones plug all lowers the volume levels of strong audio the way into the connector opening until output signals which are common on airline the plug housing is flush with the...
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English Using the adapter plugs Storing the headphones To connect to in-flight entertainment To store the headphones in the case, systems equipped with dual output rotate the earcups inward, then place connectors, use the dual 3.5 mm output the headphones in the case. plug.
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Replacement parts and accessories You can purchase accessories from your Bose dealer, on the internet, or by placing an order over the phone. See the inside back cover for contact information.
English Troubleshooting Problem What to do No noise reduction • Turn on the headphones. • Replace the battery. Low or no volume • Turn the source volume up. • Set LEVEL switch to HI. • Check the headphones cord connection at the source and the earcup. Crackling noise;...
• Extremely loud ambient noise levels common to many propeller-driven aircraft may impair your ability to receive incoming audio communications, particularly during takeoff and climb out. • The QuietComfort 2 headphones are not engineered for altitude, temperature or other environmen- tal conditions common in non-commercial aircraft, resulting in possible interference to critical com- munications.