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Noise-Cancelling Headphones

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Koss QZ-99 Noise Reduction Stereophone

Koss QZ-99 Noise Reduction Stereophone

(72 customer reviews)

List Price:	$59.99
Our Price:	$38.65 & this item ships for FREE with Super Saver Shipping.
You Save:	$21.34 (36%)

SKU:

021299134122-134122

In Stock

Usually ships in 1 business days

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Description:

New advances in materials and design have served to expand the performance of stereophones. Koss' Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible. New advances in materials and design have served to expand the performance of stereophones. Koss' Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most exciting products possible. FeaturesFrequency Response: 40-20,000 Hz Passive Noise Reduction stereophone system isolates listener from ambient sounds Ideal for use with racing scanners and metal detectors Volume control on ear cup for easy level adjustment Stereo/Mono switch for added flexibility Single entry, 8 foot coiled cord

Features:

•

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 Details:

Product Length:	9.0 inches
Product Width:	8.5 inches
Product Height:	4.25 inches
Product Weight:	1.6 pounds
Package Length:	8.98 inches
Package Width:	8.82 inches
Package Height:	4.17 inches
Package Weight:	1.59 pounds
Average Customer Rating:	based on 72 reviews

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Customer Reviews:

Average Customer Review: 4.0

( 72 customer reviews )
Write an online review and share your thoughts with other customers.

Most Helpful Customer Reviews

55 of 56 found the following review helpful:

Serious noise blockingJul 27, 2006
By Cisco Kid "Cisco Kid"
These headphones are basically a pair of noise blocking earmuffs with speakers inside.

These are NOT light, NOT small and not the most comfortable.

BUT they are the absolute best noise blocking headphones I have ever used. They are Noise blockers first, headphones second.

I use mine to listen to music while I mow my lawn, I also wear them during target practice. I would not use them for travelling or in the office but thats ok.

Every one who mows their own lawn, works in a machine shop, or works around very loud areas should own a pair of these. Protect your hearing and listen to music at the same time.

36 of 37 found the following review helpful:

Excellent for listening to narrationMar 18, 2002

The Koss QZ-99 is a very nice product, for certain things. I would never recommend this type of product, without knowing the context. I use it for listening to books on tape, on the street or in a gym, on an old portable tape player. Since I am just listening to narration, I care much more about outside sound being blocked out than I care about sound quality. If you use Bose headphones in this context, you are going to get much better sound, but that is a drawback: you will hear the crackles and rattles and pops on the your 8 year old Walkman and the 5 year old library book-on-tape. Noise reducing headphones can be too good. If I were listening to classical music on a CD player, in an airplane, a higher quality, and/or active noise reducing product would be better. But for my situation the Koss is very nice. I did not realize, until recently, that I could swivel the ear pads as well a lengthen and shorten the band between the pads. It works very well.

35 of 39 found the following review helpful:

They work(ed) great - PART IIFeb 20, 2002
By B. W. Chandler II "brucewayne"
I used them daily for two weeks before one ear started shorting out, that ear completely went blank after four weeks. They sure did work great those first 10 days or so.

They look tough but I doubt they could handle a weekend at NASCAR, for which I bought them for. I was using them for music and radio when they shorted out on me.

However, the warranty on them says "Lifetime, No Questions Asked!" ...So I will check that out, send them in, and see what happens. If Koss can get them back to me in a quick turnaround, I'll knock my rating back up to a 3.

I sent them in to the company and got an extremely quick turn-around, back and working good. Next test - NASCAR.

B.

28 of 33 found the following review helpful:

Slightly Sound ProofSep 29, 2001
By Dale Allen Crum "Dale Crum"
Overall I enjoy these headphones. I love the way the look and feel, the weight of them and the comfort factor. I have only a few complaints. 1: they are not as sound proof as I was hoping they would be. Random noises still manage to creep in and disturb the your listening. 2: Although they don't hurt at all to wear for long periods of time, if by chance, someone knocks on the ear piece you're in for a world of hurt my friend. 3: I bought a [less expensive] pair of headphones for [a few] dollars and noticed the bass and treble are slightly better than in the KOSS pair. At times I wondered if too much bass would blow them out or if they were really designed for music at all.

I'm not saying KOSS isn't a great headphone maker, but if your looking for something soundproof avoid these headphones. If your looking to block out ambient noise and the majority of sounds then these are definitely yours all the way. Very comfortable and well made, KOSS is an amazing company I was looking for total soundproof protection though. In the end I kept them and still use them for my music. I very much enjoyed this product and highly recommend it to anyone out there.

6 of 6 found the following review helpful:

Best Passive Noise Reduction Headphones, but Mediocre Sound QualityNov 21, 2007
By J. Henon
I live in the city next to a bridge and wanted headphones to block out the noise of tractor trailers and trains crossing the bridge. I tried some active noise canceling headphones, but soon found that they're really best for blocking out droning noise like being on an airplane.

So I found these and thought they'd be perfect for my needs. They definitely block random noises better than anything else I've tried, but the sound quality is tinny bordering on harsh. As others have stated, they're heavy, but I was expecting that. But the sound quality is so lacking in bass and even in the mids, that they're tiring to my ears. Playing with the eq helps make them less harsh, but also removes detail from the music. I also bought Panasonic's RP-HTX7PP because they got such good reviews and seemed like they might be passable for blocking noise.

After using them both, I'm returning the Koss's. The Koss' noise better than the Panasonics with no music on, but once you play music through both the richer sound of the Panasonic's make them almost the equal of the Koss's.

These headphones are used for people in noisy jobs that communicate via radio, ie. the ground people at the airport. So it might be that these headphones are optimized for voice communication, which makes them terrible for music.

See all 72 customer reviews on Amazon.com