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Koss Passive Noise Reduc Stereophone / Mfr. No.: Qz99

Koss Passive Noise Reduc Stereophone / Mfr. No.: Qz99
Qty. Available: 10+
Item Number: kos-qz99
Vendor Number: QZ99
Vendor: Koss-Headphones
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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.

General Information

ManufacturerKoss Corporation
Manufacturer Part NumberQZ99
Manufacturer Website Address
Product NameQZ-99 Technology Stereo Headphone
Product TypeHeadphone

Technical Information

Connectivity TechnologyWired
Cable Length8 ft
Sound ModeStereo
Impedance60 Ohm
Minimum Frequency Response40 Hz
Maximum Frequency Response20 kHz


Earpiece DesignOver-the-head
Earpiece TypeBinaural
Earpiece ControlsVolume
Earpiece Sensitivity102 dB


Host InterfacePhono

Physical Characteristics

Form FactorEar-cup
Weight (Approximate)15 oz


Additional Information
  • 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


Limited WarrantyLifetime