Koss QZ-99 Noise Reduction Stereophone
- Passive noise reduction stereophone system isolates listener from ambient sounds
- Volume control on earcup for easy level adjustment
- Ideal for use with racing scanners and metal detectors
- Stereo/mono switch for added flexibility
- Single-entry, 8-foot coiled cord
Product Description
The QZ-99 Noise Reduction Stereophone features revolutionary Passive Noise Reduction stereophone system that isolates listener from ambient sounds. It is ideal for use with racing scanners and metal detectors. The features include volume control on earcup for easy level adjustment, Stereo/Mono switch for added flexibility and single entry, 8 foot coiled cord.
Amazon.com Product Description
The Koss QZ99 headset is a passive noise-reduction stereophone system that isolates the listener from ambient sounds, allowing clear and focused listening of the intended aural signal. Ideal for use with racing scanners and metal detectors, it includes a volume control on the earcup for easy level adjustment, a stereo/mono switch for added flexibility, and a single entry, 8 foot coiled cord.
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Koss QZ-99 Noise Reduction Stereophone
- Electronics: 0 pages
- Publisher: Koss
- Label: Koss
- Studio: Koss
- Average Customer Review:
 based on 27 reviews
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Avg. Customer Review:
0 of 0 people found the following review helpful:
Customer Rating: 
Summary: Big Giant Headphones 2008-11-19
Comment: These are passive noise reduction headphones, so they are big and bulky. They appear well made. The noise reduction is very good. If I'm listening to music, I basically can't hear what is going on around me if it isn't very loud. This is the effect I was looking for, to be able to tune out the world around me.
I also have the Koss QZ-5 headphones and I find they are lighter and fit tighter around the head. They are also less likely to fall off. However, the QZ-5 have the metal strap at the back, so it is impossible to rest my head on something while I use the headphones.
Given a choice between the two, if resting one's head is a requirement, then I would suggest that the QZ-99 is a better choice. If not, the QZ-5 is a better choice for that reason. Both work equally well.
0 of 0 people found the following review helpful:
Customer Rating:
Summary: Satisfied 2008-10-16
Comment: I am happy with the product. It is a great value for the price and works like it is supposed to.
0 of 0 people found the following review helpful:
Customer Rating:
Summary: Great for the price 2008-09-20
Comment: I bought these mainly for the warranty, as I've used many good headphones that would just quit shortly after the warrant period. A lifetime warranty is very helpful.
As for the headphones themselves, they surpassed my expectations for a forty dollar set. I was really impressed by the sound isolation. I'm taking these to college dorms, where sound echos like crazy, and these headphones muffle up the environment noise quite a bit.
The fit is about average. I could feel it pressing against my head, but the ear cups were very large and ample for my ears.
The sound is above average. It's not the best ever, but it's definitely good for the price paid. This is NOT for bass enthusiasts. The bass is pretty non existent compared to DJ headphones. But I listen to a lot of vocals, and they come through pretty clearly.
Overall, I'd recommend these to anyone who doesn't need bass. I took off one star just for the bass, but really I'd give it four and a half, since bass isn't too important to me.
0 of 0 people found the following review helpful:
Customer Rating:
Summary: Good headphones 2008-09-15
Comment: really I don't see why these deserve anything less than a 5 star, so that's what I'm going to give.
I like how tight these headphones are and the fact that other people can't hear anything you're listening to, even at full volume. The sound isn't perfect, but it's good enough. And they look very cool ;)
0 of 0 people found the following review helpful:
Customer Rating:
Summary: Good Product 2008-08-30
Comment: At first look it don't look that good. Once I started actually using it, I liked it very much. The volume control knob on the side of the earphone and the ear comfort was nice and comfortable. I have only had it a few weeks, so you should ask me in a year how I feel. As a general rule the other headphones I had only lasted a year. I hope this one lasts much longer because I really like it.
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Koss QZ-99 Noise Reduction Stereophone
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