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Koss 160078 Qz900 Noise-canceling Headphones
dramatically reduces most low frequency distractions from airplanes lawn mowers fans or even the din of an office operates with or without active noise-canceling circuit engaged freq resp: 20 hz20 ...
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Koss Quiet Zone PRO Active Noise Reduction Headphones
Koss Quiet Zone PRO Active Noise Reduction Headphones, Collapsible Design, Active Cancellation Circuitry, Closed-Back Design, Adjustable Headband, Around-Ear Cushions, Uses 2 AAA Batteries, Single-Sided Cable, 3.5mm Plug with Airplane Adapter, Lifetime Warranty Quiet Zone PRO Noise Canceling Headphones Quiet Zone PRO Active Noise Reduction Headphones
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Koss KOSS ACTIVE NOISE CANCEL STEREOPHONE
Koss KDE/250 KOSS ACTIVE NOISE CANCEL STEREOPHONE
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Koss Singlesided Headphone Electret Noise Canceling Micropho - 155912
Singlesided Headphone Electret Noise Canceling Microphone.
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Koss QZ5 Noise Cancelling Headphones
Features Stereophone features neodymium magnet structures Passive Noise Reduction stereophone system Unique head-strap, VELCRO(r) brand closure design allows for a secure fit and immobilization of stereophones Single-entry, 8-foot coiled cord Includes 6.4mm plug for home use Frequency Response: 40-20,000 Hz Impedance: 60 ohms Weight: 15 oz Sensitivity: 102 dB SPL/1mW Distortion: .3% Cord: Coiled, Single Entry, 8 ft Plug: 3.5 mm/6.4 mm
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Koss QZ5 Noise Cancelling Headphones
The Koss(r) QZ5 noise-cancelling headphones utilize a Passive Noise Reduction stereophone system to isolate you from ambient sound, making them ideal for use with racing scanners and metal detectors. The neodymium magnet structures provide outstanding clarity and definition and the unique head-strap, VELCRO(r) brand closure design allows for a secure fit.
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Koss QZ900 Noise-Cancelling Headphones
"The QZ900 headphones are a great addition to the Koss Quiet Zone line and add a new level of performance and comfort. The electronics package inside each Koss QZ900 is designed to monitor outside noise received through specifically mounted microphones in each ear cup.Once this incoming noise can be analyzed, the Koss QZ/900 circuit introduces a sound wave that is 180° out of phase with the incoming signal. The result is what engineer's term ""zero earth"" at the point of the eardrum. This means that
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KOSS QZ900 Active Noise Cancellation Stereo Headphones
Noise-cancelling headphones reduce unwanted ambient sounds by means of active noise control (ANC). The idea is to reduce acoustic noise from interfering with your listening experience. The Koss QZ900 does this beautifully.
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Koss CS80 Behind-the-Head Headphones w/Noise Canceling Mic
Koss' behind-the-head headphones deliver maximum comfort while allowing users to wear hats or other head coverings. Ideal for computer games with sound cards, telephones, and voice activation and voice recognition software. Clear Voice Technology ensures the noise-canceling microphone delivers clear communication in noisy environments. Includes a straight, dual-entry, nylon-covered 8' cord. The headphone has two plugs, one for headphone use and the other for microphone use. Lifetime Limited Manufacturer's
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Koss Race Tracker Noise Canceling Sports Stereophones, Red
> Audio Systems and Components > Koss Koss Race Tracker Noise Canceling Sports Stereophones, Red Mfr. Part: 165648 SKU: KSRTRD Description The Koss Race Tracker Sports headphones features dual mount, rigid and flexible occipital lead. It is a device designed specifically for street Racer and other extreme sports and has a very solid construction and unique design. The passive noise reduction system allows for the highest noise isolation. Features An effective passive noise isolation system Rugged
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Koss QZ 900 - Headphones ( ear-cup ) - active noise canceling
The QZ/900 is the addition to the Koss Quiet Zone line and adds a new level of performance and comfort. The electronics package inside each Koss QZ/900 is designed to monitor outside noise received through specifically mounted microphones in each ear cup. Once this incoming noise can be analyzed, the Koss QZ/900 circuit introduces a sound wave which is 180 degrees out of phase with the incoming signal. The result is what engineer's term "zero earth" at the point of the eardrum. This means that most low
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Koss SB-45 Communication Headphones
*Koss Communication headphones are ideal for gamers who enjoy deep bass *Headset constructed of anisotropic ferrite magnet structures *Headphones feature high sensitivity and reduced distortion for premium sound at all volume levels *Boasts a frequency range from 18Hz to 20,000Hz *Delivers a full-range of sound that will bring your favorite games to life *Utilizing oxygen-free copper voice coils for improved signal transmission and conduction *Large, closed ear cups surround the ear for maximum isolation
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Koss Quiet Zone 2000 Noise-Cancelling Stereo Headphones
Koss Quiet Zone 2000 Noise-Cancelling Stereo Headphones, Collapsible Design, Up to 20dB of Noise Reduction, Neodymium NdFeB Magnets, Mylar Diaphragms, OFC Voice Coils, Adjustable Metal Headband, Foam Earpads, Uses 2 AA Batteries, 3.5mm Plug with Airplane Adapter, Lifetime Warranty Quiet Zone 2000 Noise Canceling Headphones Quiet Zone 2000 Noise-Cancelling Stereo Headphones
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Koss 160078 Qz900 Noise-canceling Headphones
Koss 160078 Qz900 Noise-canceling Headphones 7 in-stock (as of 11/09/2009 05:16 AM) Model: 160078 Shipping! Description dramatically reduces most low frequency distractions from airplanes, lawn mowers, fans or even the din of an office operates with or without active noise-canceling circuit engaged freq resp: 20 hz20 khz imp: 32_ sensitivity: 100 db spl removable 4-ft cord features in-line volume control 1 standard aaa battery provides approx 50 hours of active noise cancellation no-questions-asked lifetime
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Koss QZ77 Noise Canceling Earbud
Koss QZ77 Noise Canceling Earbud Koss QZ77 Noise Canceling Earbud QZ77 021299150764 Koss Shipping: » Description The QZ77 Noise Canceling Earbud features both Active Noise Reduction (ANR) and Passive Noise Reduction (PNR) technologywhich eliminate harmful and unwanted noise while still providing the ultimate in stereo sound. For years we have been striving to improve on the sound and portability of noise reduction products. TheKoss QZ77 provides maximum noise reduction in a compact design. The ANR
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Koss QZ5 Noise Cancelling Headphones
Koss QZ5 Noise Cancelling Headphones Item no: 1373608 The Koss® QZ5 noise-cancelling headphones utilize a Passive Noise Reduction stereophone system to isolate you from ambient sound, making them ideal for use with racing scanners and metal detectors. The neodymium magnet structures provide outstanding clarity and definition and the unique head-strap, VELCRO® brand closure design allows for a secure fit. Features Stereophone features neodymium magnet structures Passive Noise Reduction stereophone system
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Koss Corporation QZ 900 - Headphones ( ear-cup ) - active noise canceling
Marketing description is not available.
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Koss QZ5 Noise Cancelling Headphones
Features Stereophone features neodymium magnet structures Passive Noise Reduction stereophone system Unique head-strap, VELCRO(r) brand closure design allows for a secure fit and immobilization of stereophones Single-entry, 8-foot coiled cord Includes 6.4mm plug for home use Frequency Response: 40-20,000 Hz Impedance: 60 ohms Weight: 15 oz Sensitivity: 102 dB SPL/1mW Distortion: .3% Cord: Coiled, Single Entry, 8 ft Plug: 3.5 mm/6.4 mm
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