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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