About Your Headphones QuietComfort Cancelling Thank you for purchasing the QuietComfort 2 Acoustic Noise Cancelling headphones from Bose. Advanced research and development, innovative engineering, and integrated technologies enable the headphones to reduce unwanted noise and provide you with exceptional acoustic performance in a comfortable, convenient package.
Using your headphones If you plan to use them for noise reduction only, simply put on the headphones and turn on the power switch, located on the right earcup. There are no cable connections required for this use. To use the headphones for audio, first notice the settings on the audio attenuator shown below.
Connecting to an audio source You can use the headphones with a variety of audio sources: airline audio, a CD, DVD or MP3 player, a per- sonal or laptop computer, or home stereo. The maximum input voltage is 9 Vrms. To make the connection, insert the headphone plug into the jack on the audio source you will use.
Care Folding the earcups for storage QuietComfort 2 Acoustic Noise Cancelling headphones ® ® feature rotating earcups that fold flat for easy, convenient storage. They rotate in one direction only. Note: Incorrectly rotating the earcups can damage the headphones. Reattaching earcup cushions The earcup cushions are held in place by a mounting flange.
Replacement parts and accessories You can order parts and accessories, as listed below, by contacting Bose number for your area on the inside back cover of this guide. • Dual plug adapter •...
Cleaning the headphones Scheduled cleaning is not required. However, you can simply wipe the outside surfaces with a damp cloth, as needed. Also, be sure that the earcup ports are clear and that no moisture is allowed into the earcups. Troubleshooting Problem •...
These headphones are not engineered to meet the needs of pilots or to meet civil aviation authority standards for aviation communications. For that purpose, Bose offers the Aviation Headset which features a microphone with the appropriate power and intelligibility for transmission of flight information. It is engineered to withstand the altitude and temperature conditions common in non-commercial aircraft.