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Product Details
NC-811 : Active Noise Reduction Headphones
 
Short Description
Features:
-Provide a quieter environment to enhance audio entertainment
-Full-size design completely cover ears for greater effectiveness
-Build-in noise reduction circuit
-Perfect for the on-the-go traveller
Product Details

-Driver Unit: 40 mm Cobalt magnet

-Impedance: 32 ohm +/- 10%

-sensitivity: 93 dB +/- 3dB

-Frequency Response: 20 Hz - 20K Hz

-Active Noise Reduction: 12+/- 1 dB at 300 Hz

-Power Requirement: 1x AAA battery

-Battery Life: Up to 32 hrs(Active Noise Reduction only)

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