50
Koss QZ99
$60.00
Released January, 2007
The Pros:High degree of passive noise cancelling, outperforms most similar models in this price range in this aspect. Great for listening while surrounded by louder noises or consistent noises. Noise blocking is similar to some low-end active cancelation products, but does not require batteries.
The Cons:Heavier than many similar products. Prolonged use tends to result in discomfort for most users. Overall large form factor limits their portability and appropriateness in certain situations.
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.
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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 < 0.3%
- Cord is 8 feet long, straight with single entry
- Lifetime Warranty
- Passive noise canceling through fit of cushions around the ear
User Reviews (1)
Pros & Cons
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1
High degree of passive noise cancelling, outperforms most similar models in this price range in this aspect
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1
Great for listening while surrounded by louder noises or consistent noises
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1
Noise blocking is similar to some low-end active cancelation products, but does not require batteries
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1
Do a good job preventing any sound from escaping while in use, sound virtually silent to outside parties
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1
Heavier than many similar products
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1
Prolonged use tends to result in discomfort for most users
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1
Overall large form factor limits their portability and appropriateness in certain situations
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1
Bass response is not as deep as expected with this type of headphone
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