Koss
Koss QZ-99 Technology Stereo Headphone 134122
- SKU:
- 18149926
- MPN:
- qz99
- Availability:
- Usually ships the same or next business day. In stock at our PA warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 01/14/2026 01:09:08 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $55.29 each 55.29 |
| Buy 3 | and pay only $51.54 each 51.54 |
| Buy 4 - 9 | and pay only $50.57 each 50.57 |
| Buy 10 or above | and pay only $49.23 each 49.23 |
- Stock Update:
- 01/14/2026 01:09:08 PM PST
Description
This item is brand-new, factory sealed.
The Koss Quiet Zone QZ99 stereophone is an extra-durable stereophone that delivers amazing passive noise reduction. Designed initially for use w/racing radio scanners & metal detectors, the QZ99 has been a favorite for a wide range of listeners who need to cut high levels of ambient noise. Built to withstand the rigors of outdoor or indoor use, the QZ99 features both a 3.5 mm & 6.4 mm plug & will connect to most radios & scanners. The QZ99 features neodymium magnet structures for outstanding clarity & definition. Closed, Pneumalite ear cushions & extra-secure headband pressure create a complete seal around the ear eliminating all ambient noise from getting through. A volume control on the ear cup allows for easy level adjustment if the sound source is out of reach. A Stereo/Mono switch extends your user flexibility. The QZ99 features an 8-foot, coiled, single entry cord. Frequency Response= 40-20,000 Hz Impedance= 60 ohms Sensitivity= 102 dB SPL/1mW Distortion= <0.3% Cord= Coiled, Single Entry, 8ftFeatures
Package Contents:
- Connector coupler
Additional Information:
- Passive Noise Reduction stereophone system isolates listener from ambient sounds
- Ideal for use with racing scanners and metal detectors
Specs
| Physical Characteristics | |
| Form Factor | Ear-cup |
| Weight (Approximate) | 15 oz |
| Warranty | |
| Limited Warranty | Lifetime |
| Interfaces/Ports | |
| Host Interface | Phono |
| General Information | |
| Brand Name | Koss |
| Manufacturer Website Address | http://www.koss.com |
| Marketing Information | 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. |
| Product Type | Headphone |
| Product Name | QZ-99 Technology Stereo Headphone |
| Manufacturer | Koss Corporation |
| Manufacturer Part Number | 134122 |
| Earpiece | |
| Earpiece Sensitivity | 102 dB |
| Earpiece Controls | Volume |
| Earpiece Type | Binaural |
| Technical Information | |
| Minimum Frequency Response | 40 Hz |
| Maximum Frequency Response | 20 kHz |
| Connector Plating | Gold Plated |
| Cable Length | 8 ft |
| Sound Mode | Stereo |
| Impedance | 60 Ohm |
| Connectivity Technology | Wired |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Koss QZ-99 Technology Stereo Headphone 134122
$61.10