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.
Technical Details
- 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

Users reviews:
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Amazon reviews:
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.
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.
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 ;)
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