Koss QZ-99 Technology Stereo Headphone

by Koss

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ITEM# 10283179
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    Included Warranty: Lifetime
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ITEM#: 10283179

Koss QZ-99 Technology Stereo Headphone - Wired - 60 Ohm - 40 Hz 20 kHz - Gold Plated - Binaural - Ear-cup - 8 ft Cable


Style Over-the-Head
Feature Noise Canceling
Condition New
Dimensions 9.0x9.0x4.0
Warranty Lifetime
Model Number 134122
Country of Origin China
  • Most Helpful

  • Amazing quality for a great price!
    Verified Purchase

    I am a student with a shared study space that is convenient, but less than quiet most days. The noise cancelling on these headphones is phenomenal. People have to be positively screaming for me to hear them with these on. Sound quality is excellent as well and the volume knob on one of the earshells is really convenient.

    Read More
  • Best passive I have had
    Verified Purchase

    Hey all, I am a professional drummer who is always looking for quite ways to practice. I currently have an electronic Drum Set that I use to practice with while at home. These head phones work great with it. It cuts out the tapping sounds the sticks make on the rubber pads. I will also wear them an hour at a time and there is never any discomfort. Bass and treble come through really well and the volume adjustment on the headphones themselves come in handy when I need that extra boost of volume. The only downside is the cord, its coiled but it can stretch out. Its not really an issue, I'm just not a fan of coiled wires.

    Read More
  • Awsome
    Verified Purchase

    These headphones have great sound. They have a switch for stereo or mono so the sound is premiere for both music and just voice. The volume control on the side of the headphone is very useful when you need to here someone talk to you or to control when you are not in a loud situation like mowing. I am truley satisfied with everything about these headphones.

    Read More
  • New Stereo Headphones
    Verified Purchase

    My husband and I just got new headphones for our stereo, and now when we listen to our cassettes and CDs, they sound so clear! This is the best thing we ever bought, and I'm so glad we got it from O.

    Read More
  • Noise Cancelling is Right!
    Verified Purchase

    When I put these headphones on, I can look right at someone talking to me & not hear one word! I ordered them for work, where the noise & chatter is a distraction. THESE ARE PERFECT! The audio quality is not stellar. As suggested by the details page, where it says "Ideal for use with racing scanners and metal detectors" (not music). Don't get me wrong, the sound is fine for music, but nothing to brag about. For awesome sound AND awesome passive noise cancellation, you'll have to upgrade. I had a pair of Audiology headphones that were about the same price, and they broke after 4 months. Koss is good quality; I hope to enjoy these for a long time!

    Read More
  • Most Recent

  • Verified Purchase

    This user earned $2.00 in rewards for writing this review.Learn More

    Purchased as Christmas present for teen-aged granddaughter. She absolutely loves them, as do her parents. Her father is an audiophile and found the performance unbelievably good for headphones in this price range.

    Read More
  • Verified Purchase

    This user earned $1.00 in rewards for writing this review.Learn More

    These headphones have a great sound and excellent noise canceling capability Highly recommend. I use them in home and for travel.They are a big help on lengthy overseas flights.

    Read More
  • Verified Purchase

    This user earned $1.00 in rewards for writing this review.Learn More

    The sound is clear, full and well balanced. Outside noise is effectively diminished. The tone is lovely. A very high quality listening device for the price.

    Read More
  • Very comfortable
    Verified Purchase

    Excellent product. Great bass response. i use with my PC to listen to music as i work and to keep from disturbing my wife.

    Read More
  • Koss ax 99 noise deadening
    Verified Purchase

    Stereo headphones good sound

    Read More

Questions & Answers

  • Q:

    "How much noise cancelling? Are they 100 percent?"

    Have an Answer? Be the first to answer this question!
  • Q:

    "Can they be used for the ipad2"

    Have an Answer? Be the first to answer this question!
  • Q:

    "tight - can they be adjusted?"

    • A:

      Yes, you can adjust the headphone up and down to help fit it on the eat better. However, you cannot make them wider.

  • Q:

    "Will the plug fit an I-Phone as well as a Nokia?"

    • A:

      The Koss QZ-99 headphones use a standard 3.5mm auxiliary input. This will work with both of your devices.

  • Q:

    "Hey I am from India how can I get this product in India please tell me"

    • A:

      Hello , we suggest you visit the International section of our website and select the destination country. Our international site will help narrow your search and only display inventory available for delivery to your selected country. For more information on international orders, please follow the below provided link. Thanks for shopping with us! https://help.overstock.com/app/answers/detail/a_id/5752

  • Q:

    "Can this item be used to plug into your desktop computer tower? Thank you"

    • A:

      Hello Vee63, yes, this can be plugged into your desktop computer tower. Thank you for shopping with us!

  • Q:

    "Why did you choose this product?"

    • A:

      i liked the price...

    • A:

      good reviews for noise cancelling

    • A:

      reputation of koss products, is a very reliable one.

    Read more Read less

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Shipping & Returns

Contact Information

Usually leaves our warehouse in 1-2 business days. *

Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
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Standard Return Policy for Electronics:

The items must arrive at our warehouse within 30 days of purchase. You must return items in their original condition to qualify for a full refund. We will issue a partial refund of up to 70 percent if returned items have been opened, used, or returned late. More Details

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.