Koss - QZ99
74,17 €
excl VAT
including eco-part : 0,07 €
Out of stock
Guarantee 99
years
Jessie
Louis
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Closed dynamic noise-canceling Headphones + passive volume control KOSS QZ99, A helmet that allows maximum insulation while offering its excellent craftsmanship.
ARTICLE N° 28995
Presentation
The design of the Koss QZ99 is inspired by models used on racetracks and airports. More than a style history, the shape of QZ99 seems to be dictated by its passive noise reduction function, so without using electronics. The size of the atria and the pressure exerted on the head sufficient to eliminate sounds
greater than 20 dB. The volume control is located on the headset. Built to withstand use indoors or outdoors, the QZ99 comes with a 3.5 mm and 6.35 mm.
greater than 20 dB. The volume control is located on the headset. Built to withstand use indoors or outdoors, the QZ99 comes with a 3.5 mm and 6.35 mm.
Features
Closed / open
Closed
Type of transmission
Wired
Noise cancellation
Passive
Acoustic pressure (dB)
≤ 100
Impedance
60 Ω
Weight
425 g
Frequency response, low limit
40 Hz
Frequency response, upper limit
20 kHz
Color
Black
Typology
Circum-aural
Packaging
Single unit
Other features
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KOSS QZ99
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Passive noise reduction headphones + volume control
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Transducer principle dynamic, closed
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Frequency response: 40 Hz - 20 kHz
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Impedance 60 Ohms
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Sensitivity: 102 dB (SPL)
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Total harmonic distortion: < 0.3%
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Jack Connector 6.35 / 3.5 mm
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Volume Control
-
Weight 425 g
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Straight Cable 2.4m
To find out more...
Headphones Koss Quiet Zone QZ99 provides an amazing passive noise reduction system. Originally designed for use with scanners radios for motor racing and metal detectors, the QZ99 has been a favorite for a wide range of listeners who have to cut high levels of ambient noise.
Built to withstand the rigors of an outdoor or indoor use, the QZ99 comprises a 3.5mm plug with 6.3mm adapter and will connect to most radio and scanners.
The QZ99 includes neodymium magnet structure for exceptional clarity and definition.
The Pneumalite closed cushions and the added pressure of the headband creating a complete seal around the ear eliminating ambient noise.
A volume control on the headset makes it easy to adjust the level if the sound source is out of range. Switch stereo / mono extends your user flexibility.
The QZ99 has a 2.4m coiled cable and simple.
Built qualitatively, the QZ 99 is guaranteed for life - the only guarantee of its kind in the industry
Built to withstand the rigors of an outdoor or indoor use, the QZ99 comprises a 3.5mm plug with 6.3mm adapter and will connect to most radio and scanners.
The QZ99 includes neodymium magnet structure for exceptional clarity and definition.
The Pneumalite closed cushions and the added pressure of the headband creating a complete seal around the ear eliminating ambient noise.
A volume control on the headset makes it easy to adjust the level if the sound source is out of range. Switch stereo / mono extends your user flexibility.
The QZ99 has a 2.4m coiled cable and simple.
Built qualitatively, the QZ 99 is guaranteed for life - the only guarantee of its kind in the industry
Spotlight on
Since the
coming of the MP3 player, Koss specialised itself in headphones for MP3
players. A wide range of earphones and headphones covering all the needs and
budgets, but always with great quality.
