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-plugs;
Detachable 1.0 m (3.3') with 3.5 mm (
1
/
8
") stereo mini-plugs
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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