KOSS QZ99
Passive Noise Reduction Stereophone
Quiet Zone QZ99
Passive Noise Reduction
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.
Frequency Response 40-20,000 Hz
Impedance 60 ohms
Sensitivity 102 dB SPL/1mW
Distortion <0.3%
Cord Coiled, Single Entry, 8ft |