KOSS

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  • Koss QZ900 Noise Reduction Headphones
    Item # SRSQZ900
    | Mfg # QZ900ACTIVE
    | UPC # 021299160077
    QZ900 headphones are the latest addition to the Koss Quiet Zone line and add a new level of noise reduction, performance, and comfort. The electronics package inside each ear cup is designed to monitor outside noise received through specifically mounted microphones in each ear cup.  Once this incoming noise can be analyzed, the Koss QZ900 circuit introduces a sound wave that is 180 degrees out of phase with the incoming signal. The result is...
    0 IN STOCK, EXPECTING MORE SOON
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