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(P77500) Headphones
An ideal addition to classes on vibrations and waves, Noise Reduction Headphones are a simple-to-use device with a number of applications. They're a perfect way to demonstrate Active Noise Control in action and introduce discussions on waves, acoustics, superposition, and interface. This revolutionary Active Noise Reduction (ANR) stereo phone system reduces harmful and annoying low frequency sounds in noisy environments. Microphones in the headset "listen" to noise coming to your ears. Then a microchip creates a mirror image wave (of the same frequency and amplitude as the original, but 180 degrees out of phase), and sends it to the headphones. Result: Destructive interference cancels the noise.
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142818
- Frequency Response: 16hz To 23khz
- Sound Mode: Stereo Output
- Impedance: 60 Ohm
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143131
- Dynamic microphone
- Hands-free communication
- Optimized pick up pattern
- Deep bass
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A-130
Koss A-130 Professional Studio Stereophone
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A-250
Koss A-250 Professional Stereophone
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BUDZ Consumer Headphones
2 pair of buds in one wind-up case Ideal for sharing your music Lightweight in-the-ear design for comfort and portability Straight, dual entry 4 ft. cord with L-shaped 3.5mm plug 80Hz20kHz Includes wind-up spool carrying case.
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Cobalt™ Professional Wireless Headphones
The Cobalt™ allows complete wireless freedom plus the Full Sound of Koss. Going wireless has never been so easy. The Koss Cobalt uses frequency-hopping technology for interface-free audio. Providing a 30-foot range, you can move freely while taking a call, or listening to your favorite music or movies.
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CS100
- Frequency Response: Stereophone: 30-16,000 Hz
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CS6
- Frequency Response: 80-20,000 Hz
- Impedance: 32 ohms
- Sensitivity: 94 dB SPL/1mW
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CS6 Consumer Headphones
Koss offers the CS6 lightweight portable stereo headset for use with personal computers, home or portable audio systems. Its durable, plastic, adjustable headband fits most head sizes. Other features include foam ear cushions for open, hear-through sound, volume control for easy level adjustment and straight, single-entry 4-foot cord.
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CS80
- Frequency Response: Stereophone: 15-25,000 Hz
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CS95
- Frequency Response: Stereophone: 30-16,000 Hz
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ESP-950
Frequency Response: 8-35,000 Hz
Includes Electrostatic Sterophone, energizer, battery pack, leather carrying case, connecting cables, and 120 VAC adapter
Incorporates state of the art electrostatic transducers that operate on currentless electrostatic charges on push-pull capacitor plates to cause movement of the intervening, low-mass semiconductive diaphragm
Soft, vinyl closed ear cushion design for isolation
Pivoting ear cups and adjustable, detachable headband for comfort and convenience
Straight, dual entry 4 foot cord/6 foot extension
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HB 500 Infrared Cordless Stereophones
- Includes high fidelity sterophone, compact infrared transmitter and AC adapter. - Provides line of sight, cordless listening from your stereo, video or computer source. - Freedom of movement up to 500 square feet.
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HB-70
- Behind-the-neck design provides maximum comfort during extended wearing periods
- Ideal for home theater use
- 30' transmission range
- Auto on/off with signal for transmitter
- Uses 2 AAA batteries for approximately 30 hours of battery life
- Includes behind-the-neck headphones, compact infrared transmitter and AC adapter
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HB100
- Infrared (IR) transmitter
- RCA audio inputs
- Frequency Response: 20-20,000 Hz
- Impedance: 10,000 Ohms
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HB79 Consumer Headphones
The HB79 Infrared (line of sight) Stereophone system consists of a single channel wireless stereophone and a compact infrared transmitter. Incorporating infrared technology, the HB79 is ideal for home audio, video and computer use.
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HQ1
- Neodymium iron boron magnet
- High quality sound
- Frequency Response: 20-20,000 Hz
- Impedance: 32 ohms
- Sensitivity: 93 dB SPL/1mW
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HQ1 Consumer Headphones
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.
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HQ2 Consumer Headphones
It features a unique vibration circuit that enhances any gaming or audio experience. The closed headphone design provides superior isolation, making it ideal for interactive gaming, speech recognition, and telecommunication.
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i10
- Foam ear cushions for open, hear-through sound. - Adjustable headband for best fit. - Straight, dual entry 4 foot cord. - Includes 1/8"" and 1/4"" stereo plug for home and portable use.
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i20
- Dynamic Element for full Sound of Koss. - Foam ear cushions for open, hear-through sound. - Durable plastic headband adjusts for best fit. - Volume control on cord for easy level adjustment. - Includes 1/8"" and 1/4"" stereo plug for home and portable use.
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i40
- Lightweight, portable stereophone for music on the go. - Collapsible design for easy storage and portability. - Volume control on the cord for easy level adjustment. - Straight, dual entry 4 foot cord. - Includes 1/8"" and 1/4"" stereo plug for home and portable use.
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JR-170 Consumer Headphones
The JR170 operates on a 900 mHz radio frequency band. The system consists of a high quality, battery-operated stereophone, RF transmitter and AC adapter. Utilizing a radio signal, the JR170 allows listeners to move freely from room to room, even outdoors without the need for additional transmitters or experiencing a signal break. The signal can be transmitted through walls, ceilings and floors and is not affected by bright sunlight. Listeners can roam freely over 150 linear feet.
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JR50
- Provides cordless listening from you stereo, video or computer sound source
- RF signal transmits through walls or ceilings
- Multiple sound source capability when used with additional transmitters
- Closed ear cushions for better bass & iso
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KEB79 Consumer Headphones
Koss KEB79 Portable Isolation Earbuds combine excellent sound reproduction with maximum isolation to provide an outstanding listening experience. These highly portable earbuds use three sizes of cushions ensure a comfortable in-ear fit, sealing the ear to deliver deep bass.
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KSC 5
- Ultra lightweight portable ear bud design perfect for use with MP3 players or any portable AM/FM cassette or CD player. - Unique clip design fits comfortably around the ear, eliminating the headband. - Neodymium rare earth magnet and oxygen-free, copper voice coil delivers impressive sound in an ultra small package. - Straight, dual entry 4 foot cord.
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KSS10 Consumer Headphones
The Koss KSS10 Behind-the-Head Stereophone is a portable stereophone that utilizes a design that wraps behind the ears for maximum comfort. The foam ear cushions and dynamic element provide open, hear-through sound. Other features include a frequency response of50-20,000Hz and a 4 foot cord.
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KTX-PRO1
- Frequency response 15-25,000 Hz
- Titanium Coated High Polymer Titanium Diaphragm for Accurate Sound Reproduction
- Foam Ear Cushions for Open Hear Through Sound
- Volume Control on Cord for Easy Level Adjustment
- Reliable L Plug for Improved Durability and Reliability
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KTX8
- Frequency Response: 40-20,000 Hz
- Impedance: 32 ohms
- Sensitivity: 95 dB SPL/1mW
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MV1 Professional Headphones
Stereophone features titanium coating on a 2 mil. high polymer diaphragm OFC voice coilComputer optimized ferrite magnet structures provide deep bass and treble claritySound isolation eliminates ambiant noise and maximizes bassAdaptable steel and rubber headbandFoldable for convenient storage and travelIncludes case 8' cord 3.5mm with 6.3mm adapter
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P-3 Consumer Headphones
Don't miss a note when you're running or rollerblading with the Koss P/3 stereo headphones. With a rated bandwidth of 80 Hz to 20 kHz, the P/3 provides the low-distortion reproduction of home headphones. It includes convenient wind-up spool carrying case for protective storage, straight, dual entry 4-foot cord and reliable L plug for improved durability.
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PortaPro
A Portable headphone is a headphone that is used on-the-go. Portable headphones tend to be smaller, more lightweight, and may have features that lend themselves to listening on-the-go, like carrying cases or collapsible headbands.
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PORTAPRO2
These ultra lightweight portable earphones are great for travel. They collapse for easy packing, and their unique temporal pad design redirects pressure from the ear for maximum comfort. Ideal for MP3 and DVD use.
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Pro-3AA
- Closed ear cushions for maximum bass and isolation
- Titanium coated high polymer diaphragm for accurate sound reproduction
- Neodymium Iron Boron rare earth magnet structures
- Collapsible design for protective storage and maximum portability when listening on the go
- Oxygen free copper voice coils for signal clarity
- Straight, single entry 8 foot cord
- 3.5 mm plug and 6.3 mm adapter
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PRO-4AAT Consumer Headphones
Closed ear cushions. Built for maximum durability for studio and broadcast use. 10-25000 Hz frequency response.
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Pro3AA Professional Headphones
Delivering superb sound with a nod toward comfort, the PRO3AA Titanium is a professional quality stereophone that follows in the tradition of the broadcast and recording industry standard PRO4AA. During long recording and listening sessions wearers will appreciate the PRO3AA's ear-coddling leatherette ear cushions and its overall lighter-weight design just half the weight of the PRO4AA. With a crisp treble, warm natural mid-range, and taut bass, the PRO3AA delivers accurate sound reproduction that won't disappoint. The PRO3AA Titanium features dynamic elements for a wide frequency response from 15-20,000 Hz. A 2 mil. titanium coating on its diaphragms increases the rigidity of the element, minimizing mechanical distortion and ensuring exceedingly accurate sound reproduction. One-inch (25.4 mm) diameter oxygen-free copper voice coils improve signal transmission and conduction for cleaner, clearer sound.
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Quiet Zone™ QZ99 Consumer Headphones
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.
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QZ 5
- Stereophone features neodymium magnet structures for outstanding clarity and definition. - Passive Noise Reduction stereophone system isolates listener from ambient sound. - Ideal for use with racing scanners and metal detectors. - Unique head-strap, velcro design allows for a secure fit and immobilization of stereophones. - Single entry, 8 foot coiled cord. - Includes 6.4mm plug for home use.
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QZ-5 Consumer Headphones
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® design allows for a secure fit.
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QZ-50
- Low frequency noise
- Frequency Response: 30-20,000 Hz
- Impedance: 32 ohms
- Sensitivity: 98 dB
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QZ-999
- Frequency Response: 40-20,000 Hz
- Passive Noise Reduction stereophone system
- Ideal for use with racing scanners and metal detectors
- Volume control on earcup for easy level adjustment
- Stereo/Mono switch for added flexibility
- Impedance: 60 ohms
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QZ77 Headphones
The element is connected to a tubular port structure that is inserted on a soft expandable cushion into the ear canal. Soft foam "memory" cushions expand for a custom fit to improve isolation and enhance deep bass and treble clarity.
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QZ900
- Active Noise Reduction Stereophone
- Surrounding low frequency noise
- Frequency Response: 15-20,000 Hz
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QZPRO
Closed ear cushions deliver maximum bass performance and keep out noise. Collapsible for maximum portability and including protective storage, these stereophones are perfect for air travel. The volume control is on the cord, and two AAA batteries are required.
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QZPRO Consumer Headphones
Step into the Quiet Zone, Koss noise reduction technology, for the very best in stereo sound reproduction. Closed ear cushions deliver maximum bass performance and keep out noise. Collapsible for maximum portability and including protective storage, these stereophones are perfect for air travel. The volume control is on the cord, and two AAA batteries are required.
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R-200 Consumer Headphones
Koss R200 studio-quality headphones feature a dynamic element construction that utilizes neodymium iron boron magnet structures for accurate acoustic sound reproduction. Oxygen-free copper voice coils provide increased signal clarity, while padded, cloth-covered ear cushions deliver improved bass and maximum comfort. Included are a detachable, 8 foot, single entry coiled cord and 1/8-inch and 1/4-inch stereo plugs for home and portable use.
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SB45
- Multi-Media Stereophone
- Anisotropic ferrite magnet
- Built of durable plastic
- Oxygen free copper voice coils
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SB49 Consumer Headphones
Ideal for gamers who enjoy deep bass, the SB49 features a dynamic element constructed of anisotropic ferrite magnet structures the deliver high sensitivity and reduced distortion for premium sound at all volume levels.
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TD85
- High quality stereo sound
- Oxygen-free copper voice coils
- Frequency Response: 20-17,000 Hz
- Impedance: 60 ohms
- Sensitivity: 98 dB SPL/1mW
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TD85 Consumer Headphones
The TD85 is a full-size, professional-quality headphone that delivers high-quality stereo sound in a durable yet lightweight construction. Ideal for professional, commercial or home use, these headphones deliver a sound performance that captures every note while preventing sound leakage that can be distracting to others. Plus, these headphones are equipped with an adjustable headband that holds the earcups in place with a firm but gentle pressure.
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UR-10
- Frequency Response: 60-20,000 Hz
- Impedance: 32 ohms
- Sensitivity: 94 dB SPL/1mW
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UR15
- Lightweight
- full-sized stereo headphone
- Miniplug with Standard Plug Converter
- Frequency Response: 25-15,000Hz
- Weight: 5.8 Ounces
- 8 foot cord
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UR19
- Closed leatherette ear cushions provide excellent comfort, maximum isolation from ambient sound and deep bass response
- Adjustable headband for enhanced comfort
- Compact, collapsible design for maximum portability
- Straight, dual-entry cord with in-line volume control
- 1/8" stereo mini plug
- Frequency response: 25Hz - 15kHz
- Distortion: <0.3%
- Sensitivity: 92dB
- Impedance: 32 ohms
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UR20
- High fidelity Stereophone utilizes neodymium rare earth magnet and 16 micron mylar element for deep bass and treble clarity. - Flexible headband with sling allows for easy, single sided listening and maximum durability. Perfect for deejay use. - Straight, single entry 8 foot cord for home and portable use. - Includes 1/8"" and 1/4"" stereo plugs for home and portable use.
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UR21
- High quality sound performance
- Anisotropic ferrite magnets
- Oxygen-free copper voice coils
- Frequency Response: 40-20,000 Hz
- Impedance: 32 ohms
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UR29
- High fidelity stereophone utilizes an anisotropic magnet and 1.4 mil mylar element for deep bass and treble clarity
- Closed leatherette ear cushion for maximum isolation and deep bass
- Built for maximum durability for DJ and recording use
- Collapsible design for protective storage and maximum portability when listening on the go
- Straight, single entry 8 foot cord
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UR40
- Titanium element for impressive bass and treble clarity
- Closed ear cushions for deep bass and maximum isolation
- Collapsible headband design for portability and protective storage
- Straight, dual entry 4 foot cord
- 3.5mm plug
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