Pictures

50PRO SCORE
GIVE IT AN OVERALL RATING
2.5 1 5 0
2.5
8 VOTES

The Koss QZ99 are passive noise cancelling headphones.

Where to buy

Seller Price Seller Rating
Show more
Pros

Great for listening while surrounded by louder noises or consistent noises

1 agrees

Do a good job preventing any sound from escaping while in use, sound virtually silent to outside parties

1 agrees

Noise blocking is similar to some low-end active cancelation products, but does not require batteries

1 agrees

High degree of passive noise cancelling, outperforms most similar models in this price range in this aspect

1 agrees
  • Only 3 words are allowed.
Cons

Bass response is not as deep as expected with this type of headphone

1 agrees

Overall large form factor limits their portability and appropriateness in certain situations

1 agrees

Heavier than many similar products

1 agrees

Prolonged use tends to result in discomfort for most users

1 agrees
  • Only 3 words are allowed.
Edit

 

The Koss QZ99 are passive noise cancelling headphones. The QZ99 model are mid-range in the QZ noise cancelling product line, both in price and in technical specifications.  For a higher end product, try the QZ50 or the QZ2000. Designed to reduce the impact of environmental noise, these headphones use a processor to actively reduce low frequency repetitive noise. The headband goes behind the head and has closed ear cushions to reduce ambient noise.  The headphones come with a lifetime, no questions asked warranty.

Features
  • Frequency Response is 40 - 20,000 Hz
  • Impedance is 60 ohms
  • Sensitivity is 102db SPL/1mW
  • Distortion is
  • Cord is 8 feet long, straight with single entry
  • Lifetime Warranty
  • Passive noise canceling through fit of cushions around the ear
About Us