The battery compartment is located inside the R earpiece. To open the battery compartment cover, press with your thumb at the top of the cover as shown to release the locking tab and slide the cover downward to remove it.
Insert the two “AAA” batteries into the battery compartment as shown. Be sure to install the batteries in the correct polarity
batteries are inserted incorrectly the ANC circuit will not operate.
After installing the batteries, replace the battery compartment cover and make sure it is completely flat against the earpiece with no gap at the bottom.
Batteries information
• Do not mix old and new batteries.
• Do not mix alkaline, standard
Replacing the Batteries
The two “AAA” batteries should provide over 60 hours of continuous operation with the ANC circuit ‘On’. If you notice that the ANC circuit is no longer providing any noticeable noise reduction, or that the ANC LED indicator does not turn ‘On’, it’s time to replace the batteries.
We recommend that you use a
Follow the ‘Installing The Batteries’ instructions above to replace the batteries.
Connect The Detachable Cable
Connect the detachable headphone cable to the jack on the
bottom of the L earpiece. The cable should be connected with the
Make sure that the plug is fully inserted into the jack. If the plug is not fully inserted the sound may be intermittent, or you may only hear sound from one of the earpieces.
Note: The volume control on the cable was set at ‘Maximum’ at our factory.
Connect the other end of the detachable cable to the headphone jack of your external music source such as an iPod, iPhone, iPad, MP3 player, personal CD player, etc. Again, make sure that the plug on the detachable cable is fully inserted into the headphone jack of your external music source.
Listening to Music
• Before putting on your headphones, we recommend that you rotate the volume control on the headphone cable
• Begin playback of your external music source and adjust the volume level of your external device to approximately 50% of maximum volume.
• Place the iB50 headphones on your head according to the L and R markings on the earpieces. When worn properly the detachable cable will be on your left side. Slide the L and R earpieces up or down to achieve the most comfortable fit.
• Adjust the volume controls on the headphone cable and your external device to a comfortable listening level. Note: If one control is set too high and the other is set too low, the sound may be distorted.
• To reduce or eliminate extraneous noise, such as the engine roar in an airplane cabin, slide the ANC On/Off switch the ‘On’ position. The ANC LED indicator turns red when the ANC circuit is ‘On’.
• When you are finished listening slide the ANC switch to the ‘Off’ position to extend the life of the batteries. The ANC LED indicator goes ‘Off’. Also remember to shut off the power of your external music source.
Using The Mute Button (Only When ANC is 'On')
Depress the Mute button on the L earpiece to temporarily shut off the sound so that you can hear someone speaking to you without removing the headphones. Release the Mute button to resume normal operation.
Using the 2-Prong Airline Adapter
Some older aircraft have audio/visual systems that use dual headphone jacks in the armrests of their seats. To use your iB50 headphones with this type of A/V system, insert the plug of the headphone cable into the jack of the included
Travel Pouch
To keep your headphones clean, store them in the included travel pouch when not in use. The L and R earpieces fold flat for convenient storage.