• Frequency response (+/-3 dB) 20Hz-20kHz
• THD (94 dB SPL @ 1 kHz)
<1%
• Active noise cancellation
92%
1
– 99%
2
– 22dB
3
(up to 22dB)
• Passive sound isolation
35dB
• Transducer
Dynamic 40 mm, Neodymium magnet
• Impedance
(unpowered) 32 Ohm
(powered) 300 Ohm
• Power
Single AAA Battery
• Audio Playback
Up to 50 hrs of use
• Low power indication
Flashing LED
• Dimensions
174 x 163 x 80 mm
• Mass
< 180 g
1
92% - Linear reduction in noise pressure
2
99% - Linear reduction in noise energy
3
22dB - Logarithmic reduction in noise pressure
Noise cancellation is absent
• Make sure there is a fresh battery installed
• Ensure the power switch is on and the LED is illuminated
There is a crackling noise or a loss of noise cancellation
• Ensure that the headphones ear pads are placed correctly over your ears
• Replace the battery with a new one
Audio volume is low or not existent
• Make sure the detachable Audio Cable is properly inserted into the headphone
and audio source
• Check the audio volume on your audio source
The LED is not illuminated or is flashing
• Replace the battery
TROUBLESHOOTING
TECHNICAL SPECIFICATIONS
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