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Koss QZ99 Passive Noise Reduction Headphones

Koss QZ99

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Model QZ99

UPC Code: 021299134122

Provantage Code:  KOSS12K

Condition:  Factory New

  • Product Type: Headphone
  • Maximum Frequency Response: 20 kHz
  • Minimum Frequency Response: 40 Hz
  • Form Factor: Ear-cup
  • Limited Warranty: Lifetime

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Koss QZ99 Specifications

    QZ99 Passive Noise Reduction Headphones


Summary


    Left View
    Features:
    • Frequency Response: 40-20,000 Hz
    • Passive Noise Reduction stereophone system isolates listener from ambient sounds
    • Ideal for use with racing scanners and metal detectors
    • Volume control on earcup for easy level adjustment
    • Stereo/Mono switch for added flexibility
    • Single entry, 8 foot coiled cord

At a Glance

    • Neodymium magnet structures deliver outstanding clarity and definition
    • Closed Pneumalite™ ear cushions and extra-secure headband seal ears, eliminate all ambient noise
    • Volume control on ear cup allows easy level adjustment
    • Stereo/mono switch extends user flexibility
    • Includes 8 foot, coiled, single-entry cord with 3.5 mm plug and 6.3 mm adapter
    • Covered under the Koss Stereophones Limited Lifetime Warranty

Overview

    New advances in materials and design have served to expand the performance of stereo phones. Koss Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible.

    The Koss QZ99 Passive Noise Reduction headphones were initially designed for racing radio scanner and metal detector users, with its superior isolating capabilities and secure over-the-head headband design. It has since become a favorite for audiophiles who crave the ability to cut out high levels of ambient noise. The QZ99 are not only for noise isolation, but also for sound quality.


    The QZ99 Passive Noise Reduction headphones sport neodymium magnet structures that deliver outstanding clarity and definition. The closed Pneumalite™ ear cushions and extra-secure headband create a tight seal around the ear eliminating all ambient noise. Durable and built to withstand the rigors of indoor and outdoor use, the Koss QZ99 also includes a volume control on the ear cup that makes adjusting sound levels a snap, and a stereo/mono switch that extends user flexibility. Sporty and strong with superior sound quality, these Passive Noise Reduction headphones are every audiophile's dream.

Features

    Comfortable

    Pivot Mechanism

    Built-in Clip

Miscellaneous

    • Passive Noise Reduction stereo phone system isolates listener from ambient sounds
    • Ideal for use with racing scanners and metal detectors
    • Ear Cushions: closed
    • Cord: Coiled, single entry


Specifications

General Information
Product NameQZ99 Passive Noise Reduction Headphones
Product TypeHeadphone
Technical Information
Connectivity TechnologyWired
Cable Length8 ft
Sound ModeStereo
Impedance60 Ohm
Minimum Frequency Response40 Hz
Maximum Frequency Response20 kHz
Sound Pressure Level102 dB
Interfaces/Ports
Host InterfacePhono

Mini-phone

Earpiece
Earpiece DesignOver-the-head

Over-the-ear

Earpiece TypeBinaural
Physical Characteristics
ColorBlack
Form FactorEar-cup

Circumaural

Width8.6"
Warranty
Limited WarrantyLifetime
Other Information
Earpiece ControlsVolume
Earpiece Sensitivity102 dB
 
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Koss Model QZ99