User Manual

7
Troubleshooting guide
Problem Solution
Ambientnoiseisnotreduced Adjustheadphones’position.
(Headphones may be incorrectly positioned on ears.)
 Turnpowerswitchoff,andonagain.
 (Ambientnoisemaybeoutofsynchronizationwith
noise-cancelling frequency.)
Headphonesproducerumblingnoise Adjustheadphones’position.
(Headphones may be incorrectly positioned on ears.)
Soundhasbecomedistorted Turndownvolumeofaudio/videoequipment.
(Volume may be too loud.)
Change battery in headphones.
(Battery may be drained.)
Driver 40 mm, active noise-cancelling
FrequencyResponse 10-25,000Hz
QuietPoint
®
Active Noise Reduction Up to 20 dB
Sensitivity 109 dB
Impedance 300ohms
MaximumInputPower 500mW
Battery AAA (alkaline)
Battery Life Up to 40 hours, typical (alkaline)
Weight 210g(7.4oz),withoutcableandbattery
Cables Detachable1.6m(5.2')with3.5mm(
1
/
8
")stereomini-plug;
 Detachable1.0m(3.3')with3.5mm(
1
/
8
") stereo mini-plug
ConnectorInput 3.5mm(
1
/
8
")
IncludedAccessories 6.3mm(
1
/
4
")stereoadapter;airlineadapter;AAAbattery;
 carryingcasewithattachedaccessorypouch
* Specificationsmeasuredwithheadphonesinactivemode.Specificationsaresubjectto
 changewithoutnotice.
ATH-ANC7b Specifications
*
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