Koss - QZ 5 Over-the-Ear Headphones - Black

Enjoy complete isolation from the outside world with these Koss passive noise reduction headphones. The flexible headband keeps these headphones comfortable on your head while creating an extra-tight seal around your ears to reduce ambient noise. And on-ear volume control ensures these Koss passive noise reduction headphones are easy and convenient to use even outside.
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What's Included

  • Koss QZ5; 6.3 mm (1/4") stereo adapter

Product Features

Over-the-ear design

For a secure fit.

Noise isolation

Helps minimize background sounds.

3.5mm connector

Enables flexible connection options.

40Hz - 20kHz frequency response

For faithful sound reproduction.

60 ohms impedance

To efficiently conduct power.

Dynamic transducer design

For reference-grade audio.

102dB/mW sensitivity

Delivers powerful sound.

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