KOSS Over-Ear Noise Cancelling Headphones (QZ900) - Black/ Silver - Online Only

  • Model #: 179615
  • Web Code: 10201757
$227.98

Overview

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.

More Information

  • Revolutionary Active Noise Reduction headphone system reduces harmful and annoying low frequency sounds in noisy environments
  • Closed leatherette ear cushion for added passive noise reduction
  • Cord unplugs to enjoy passive and active noise cancellation wirelessly
  • Straight single-entry 4 foot cord with in-line volume control
  • Folds flat for portability; carrying case included
  • Covered under the Koss Stereophones Limited Lifetime Warranty

What's in the Box?

  • Pair Of Headphones
  • Detachable Audio Cord
  • Carrying Case

Manufacturer's Warranty:

  • Parts - 1 Year(s)

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  • Headphone Style
    Over-Ear
  • Band Style
    Over-the-Head
  • Sports & Fitness Ear Clip
    No
  • Sound Isolating
    Yes
  • Noise Cancelling
    Yes
  • Wireless
    No
  • Bluetooth
    No
  • RF Wireless
    No
  • DJ Style
    No
  • Professional Grade
    No
  • Water/Sweat Resistant
    No
  • Inline Volume Control
    Yes
  • iPod/iPhone Control
    No
  • Built-in Mic
    No
  • Folding
    Yes
  • Cord Length
    1.21 m
  • Plug Material
    Gold
  • Plug Size
    3.5 mm
  • Plug Shape
    Straight
  • Ear Cushion Material
    Foam
  • Power Source
    1 x AAA
  • Frequency Response
    20-20000 Hz
  • Impedance
    32 Ohm
  • Sensitivity
    100 dB SPL
  • Colour
    Black; Silver
  • Weight
    458.1 g
  • What's in the Box
  • Warranty Parts
    1 Year(s)


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Customer Reviews

1.5 / 5
Based on 2 review(s) More about Customer Reviews

Ratings in Detail

  • 5
    0
  • 4
    0
  • 3
    0
  • 2
    1
  • 1
    1

Positive vs. Critical Reviews

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0 Reviews

Critical 100%

2 Reviews

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  • from Hamilton, ON
2.0

Poor Durability

These work reasonably well, but are fragile. You will need to send them in to be repaired every few years. Bose work better and are more durable.


  • from Calgary, AB
1.0

Do Not Buy, Poor hinge design.

Swivel hinges are plastic with a thin metal pin for durability. They break extremely easily, i have already replaced these headphones 3 times under warranty, shipping them is about to cost more than the headphones themselves. Be extremely careful if you purchase this product.


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