Koss QZ900 noise reduction headphones Active

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  • fragile! 3 1 December 89  

    Koss QZ900 noise reduction headphones Assets (Electronics)
    it been 2 years since I made the acquisition of this helmet, and I was not disappointed unto this day. he escaped from the hands and the little mechanism that rotates the headphones broke. apparently this is a recurring problem over sav ... in France
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  • Good anti noise headphones  

    Koss QZ900 noise reduction headphones Assets (Electronics)
    This is a good product that does what it should do in terms of noise reduction. In my opinion essential when spending time in airplanes or trains. The effect is very impressive and, paired with your smartphone / MP3 player is a great headset for list
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  • disappointing 1275  

    Koss QZ900 noise reduction headphones Assets (Electronics)
    I was disappointed by this helmet, noise reduction summarizing a blast very unpleasant and permanent in the headphones when the function is activated. Moreover, this helmet is not really wireless, you can activate only the noise reduction in wireless
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  • Very good helmet 33  

    Koss QZ900 noise reduction headphones Assets (Electronics)
    I hesitated between different helmets reduce its Christmas between the bose, Dr. Dre, the ATH ANC7b, sony etc ... The problem with all this is that you can try, or the FNAC only not are testing 50 helmets. So I decided to take the Koss, Sony seemed n
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