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Koss QZ99 Over Ear Headphones overview

KSC75 SPORTCLIP HEADPHONE-Koss 180125 Ksc75 Sportclip(tm) Ear-clip Headphones

Manufacturers Product Description

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.

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General Information

Manufacturer Website Address
Brand NameKoss
Product TypeHeadphone
ManufacturerKoss Corporation
Manufacturer Part Number180125
Package TypeRetail
Product NameQZ99 Over Ear Headphones
Product ModelQZ99

Technical Information

Sound ModeStereo
Minimum Frequency Response40 Hz
Connectivity TechnologyWired
Impedance60 Ohm
Cable Length2.44 m
Maximum Frequency Response20 kHz
Noise CancelingYes
Sound Pressure Level102 dB


Earpiece DesignOver-the-head
Earpiece TypeBinaural

Physical Characteristics

Form FactorCircumaural
Width219.2 mm
Height217.4 mm


Host InterfaceMini-phone

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