Koss QZ/900 Review

Koss QZ/900Excellent clarity coupled with extra comfort

Deep rich lows and sparkling highs in a stereophone you'll want to take along everywhere. In fact the noise cancelling ability is so good in the new 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.


It may be a bit expensive for the people to buy the stuff but you can easily go for it because of its high quality performance level.

A Koss QZ/900 product is priced at $150.57.

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Check the Amazon website here for more information on this product.


Koss QZ/900 Review

Stay on the move with high-quality audio playback

The QZ/900 operates with or without its active noise cancelling 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.

The QZ900, latest addition to the Koss Quiet Zone line – adds a new level of performance and comfort. Designed to monitor outside noise received through specially mounted microphones in each ear cup. Koss QZ900 circuit introduces a sound wave which is 180° out of phase with the incoming signal. The result is "zero earth" at the point of the eardrum and dramatic reduction of most low frequency distractions, resulting in deep rich lows and sparkling highs, noise canceling ability so good you'll need less volume for greater efficiency and less distortion from overdriving the tiny amplifier in your portable electronics.

QZ900 operates with or without active noise canceling circuit engaged. Features a removable cord and an on line volume control and 1 standard AAA battery which provides approximately 50 hours of active noise cancellation. 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 that is 180 degrees out of phase with the incoming signal. 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.

Where to Purchase:

Check Out the the Amazon Website Here.

Technical Info:

Frequency Response    20 – 20,000Hz
Impedance    32 ohms
Sensitivity    100 dB SPL
Distortion    
Cord    Straight, Single Entry, 4ft

See the Amazon website for Koss QZ/900

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