The Koss QZ99 Passive Noise Reduction headphones were initially designed for racing radio scanner and metal detector users, with its superior isolating capabilities and secure over-the-head headband design. It has since become a favorite for audiophiles who crave the ability to cut out high levels of ambient noise. The QZ99 are not only for noise isolation, but also for sound quality.
The QZ99 Passive Noise Reduction headphones sport neodymium magnet structures that deliver outstanding clarity and definition. The closed Pneumalite™ ear cushions and extra-secure headband create a tight seal around the ear eliminating all ambient noise. Durable and built to withstand the rigors of indoor and outdoor use, the Koss QZ99 also includes a volume control on the ear cup that makes adjusting sound levels a snap, and a stereo/mono switch that extends user flexibility. Sporty and strong with superior sound quality, these Passive Noise Reduction headphones are every audiophile's dream.
- Covered under the Koss Stereophones Limited Lifetime Warranty
- Includes 8 foot, coiled, single-entry cord with 3.5 mm plug and 6.3 mm adapter
- Stereo/mono switch extends user flexibility
- Volume control on ear cup allows easy level adjustment
- Closed Pneumalite™ ear cushions and extra-secure headband seal ears, eliminate all ambient noise
- Neodymium magnet structures deliver outstanding clarity and definition
| Brand | |
|---|---|
| Brand | Koss Corporation |
| Networking & Connectivity | |
|---|---|
| Connectivity Technology | Wired |
| Audio | |
|---|---|
| Sound Mode | Stereo |
| Noise Canceling | Yes |
| Earpiece Type | Binaural |
| Earpiece Design | Over-the-ear |
| Maximum Frequency Response | 20 kHz |
| Minimum Frequency Response | 40 Hz |
| Impedance | 60 Ohm |
| Sound Pressure Level | 102 dB |
| Size / Dimensions | |
|---|---|
| Form Factor | Circumaural |
| General Features | |
|---|---|
| Manufacturer | Koss Corporation |
| Misc Ports | |
|---|---|
| Host Interface | Mini-phone (3.5mm) |
| Cables | |
|---|---|
| Cable Length | 8 ft |
| Packaging & Origin | |
|---|---|
| Package Type | Retail |
| Brand | Koss Corporation |
| UPC/GTIN | 021299134122 |
| MPN | 180125 |
| Unit Count | 1 Units |
| Warranty | Lifetime |
| Return Policy | This product is eligible for 14-day returns. See our return policy for details. |