QZ 99 PASSIVE (Koss)
The Koss Quiet Zone™ QZ99 stereophone is an extra-durable stereophone that delivers amazing passive noise reduction. Designed initially for use with racing radio scanners and 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 and 6.4 mm plug and will connect to most radios and scanners.
The QZ99 features neodymium magnet structures for outstanding clarity and definition.
Closed, Pneumalite™ ear cushions and 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.
Features:
- Frequency 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 earcup for easy level adjustment
- Stereo/Mono switch for added flexibility
- Single entry, 8 foot coiled cord
Specifications
- Frequency Response: 40-20,000 Hz
- Impedance: 60 ohms
- Weight: 15 oz.
- Sensitivity: 102 dB SPL/1mW
- Distortion: <0.3%
- Cord: Coiled, Single Entry, 8ft
- Plug: 3.5 mm/6.4 mm
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