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Koss QZ 900 - Headphones ( ear-cup )

Mfg Part #: QZ900

Koss QZ 900 - Headphones ( ear-cup )

The QZ/900 is the addition to the Koss Quiet Zone line and adds a new level of performance and comfort. The electronics package inside each Koss QZ/900 is designed to monitor outside noise received through specifically mounted microphones in each ear cup. Once this incoming noise can be analyzed, the Koss QZ/900 circuit introduces a sound wave which is 180 degrees out of phase with the incoming signal. The result is what engineer's term "zero earth" at the point of the eardrum. This means that most low frequency distractions from an airplane, lawn mower, fan, or even the din of an office can dramatically reduced. Once the QZ/900 reduces the outside noise, the sound of Koss takes center stage. Deep rich lows and sparkling highs in a stereophone you'll want to take along everywhere. In fact the noise canceling ability is so good in the QZ/900 that you'll find less need to turn up the volume and overdrive the tiny amplifier in your portable electronics. This means greater efficiency, less distortion and all the excitement of a live performance. The QZ/900 operates with or without its active noise canceling circuit engaged. A handy removable cord features an in line volume control and one standard AAA battery provides approximately 50 hours of active noise cancellation.

MSRP$249.99 
Our Price$151.79
Availability
as of 12:46pm 11/24/2009
7 In Stock
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ConditionNew and Factory Sealed 
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General Specifications

General Specifications

ManufacturerKoss
Manufacturer Part #QZ900
Cost Central Item #10377348
Product DescriptionKoss QZ 900 - Headphones ( ear-cup ) - active noise canceling
Product TypeHeadphones - wired
Headphones TypeHeadphones - binaural
Headphones Form FactorEar-cup
Connectivity TechnologyWired
Sound Output ModeStereo
Response Bandwidth20 - 20000 Hz
Active Noise CancelingYes

Extended Specifications

General

Product TypeHeadphones
Additional FeaturesNoise canceling circuit

Headphones

Headphones TypeHeadphones - binaural
Headphones Form FactorEar-cup
Connectivity TechnologyWired
Sound Output ModeStereo
Active Noise CancelingYes
Response Bandwidth20 - 20000 Hz
Sensitivity100 dB
Impedance32 Ohm

Connections

Connector Type1 x headphones

Miscellaneous

Cables Included1 x headphones cable - integrated - 4 ft

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