1.0 out of 5 stars
Don’t waste your money
These headphones are DREADFUL. Yes, the construction is brilliant and they are quite comfortable considering they’re girth, but the bass is NON-EXISTENT.

5.0 out of 5 stars
Fantastic noise reduction – pleasing audio
I needed some way to fill my “mowing time” with more than watching the landscape go by. These headphones and my I-river (prehistoric Ipod type device) allow me to listen to NPR…

4.0 out of 5 stars
total sound block out! poor bass
These headphones block outside noise better than any other headphone I’ve worn since I was a small kid and they had those huge 70s headphones.

5.0 out of 5 stars
Fantastic passive headphones
I bought these headphones for use in a small room with many very loud fans. I only had a minute to shop so I went to the fastest shopping site, Amazon of course.

4.0 out of 5 stars
Excellent for the buck
These puppies are very heavy, it’s the only major draw back. Noise reduction is excellent. Better than all the other noise cancelling ones I’ve owned.

5.0 out of 5 stars
Quality at a nice price point
I’ve had a pair for 4 months now, and they are just as solid as ever. My only complaint is the Stereo/Mono switch, which is surprisingly simple to hit by accident.

5.0 out of 5 stars
Koss QZ-99 review
They are fantastic. the price is right and the quality is excellent. they block out noise well. I have very noisy room mates but when i place my Koss QZ-99’s on they are blocked out and I am…

5.0 out of 5 stars
Huge Giant Headphones
These are passive noise reduction headphones, so they are huge and bulky. They appear well made. The noise reduction is very excellent.

5.0 out of 5 stars
Satisfied
I am pleased with the product. It is a fantastic value for the price and works like it is supposed to.

4.0 out of 5 stars
Fantastic for the price
I bought these mainly for the warranty, as I’ve used many excellent headphones that would just quit shortly after the warrant period.