Koss headphones give you crisp clear signals, solid dependable performance while eliminating outside noise. Padded ear cups give you all-day comfort. Comes with adjustable headband and curly cable for flexible length.

Part#: 178849 Specs: Frequency response: 15-25,000 Hz Impedance: 60 ohms Sensitivity: 103 dB SPL/1mW Features: Headband: Flexible headband lets you choose over-the-head or behind-the-head style Contents: On Ear headphones with foam ear cushions Carrying case with drawstring Straight, dual entry 4 foot cord Warranty: Limited Lifetime Warranty Overall: The Koss Sporta Pro are the perfect headphones for an active listener who needs to move from the living room to boardroom to locker room without missing a beat. Combining the sound reproduction of the Koss Porta Pro with a unique design that allows over-the-head or behind-the-head wearing, the Sporta Pro won?t interfere with hats or hairstyles ? a prime portable headphone. With Mylar elements ensuring accurate sound reproduction and... Less

Koss Cobalt Bluetooth HeadphonesCutting -edge Bluetooth technology enables hands-free, cord-free listeningBehind- the-head design for maximum comfortVolume control and mute switchUp to 8 hour of playback life with rechargeable embedded lithium-ion batteryCollapsibl e design for protective storageProvides a 30-foot range, you can move freely while taking a call, or listening to your favorite music or movies.The Cobalt package includes the stereophone, audio transmitter, USB audio dongle, USB charging cable, AC charging adapter, and audio extension cable.

The TD85 is a professional- quality headphone that delivers high-quality stereo sound in a durable yet lightweight construction.

Lightweight on ear stereophones that deliver deep bass and a wide frequenc response. Soft and comfortable ear cushions. RUK 40 Color Options To view RUK 40 (Color : Blue) - click here To view RUK 40 (Color : Red) - click here Key features Lightweight Dynamic elements deliver deep bass and a wide frequency response Pivoting ear plates Ear cushions: Supra‐aural Pressure Sealed Vinyl Leatherette Specs Frequency response: 20-25,000 Hz Impedance: 36 ohms Sensitivity: 98 dB SPL Distortion:

Part#: 179615 Specs: Frequency response: 20-20,000 Hz Impedance: 32 ohms Sensitivity: 100 dB SPL Features: Sound: Active Noise Reduction (ANR) headphone system reduces harmful and annoying low frequency sounds in noisy environments Volume: In-line volume control Cord: Unplugs for wire-free passive and active noise cancellation Structure: Fully collapsible Structure: Extra-soft, padded headband Contents: Headphones with closed leatherette ear cushion for added passive noise reduction Carrying case Straight, single entry 4 foot cord Warranty: Limited Lifetime Warranty Overall: QZ900 headphones are the latest addition to the Koss Quiet Zone line and add a new level of noise reduction, performance, and comfort. The electronics package inside each ear cup is designed to monitor outside... Less

The new Koss Noise Reduction headphone was designed for treasure hunters who operate their detectors in very noisy environments like oceans, city parks or any area that the outside noise is at a high level. Koss has designed this headset with a very good PASSIVE NOISE REDUCTION SYSTEM. Its this passive system that enables these phones to cloak over 90% of all outside noise. This headphone is very well made and will last for many years (so well made that Koss offers their lifetime warranty). This is one high quality set of headphones.

Part#: 176851 Specs: Frequency response: 40-20,000 Hz Impedance: 32 ohms Sensitivity: 90 dB SPL/1mW Battery time: Approx. 30 hours of continuous play using batteries. The headphones will work without batteries, but not feature noise canceling. Features: Sound: Noise canceling technology Sound: Employs both passive and active noise reduction (ANR) technology Structure: Fully collapsible Structure: Extra-soft, padded headband Contents: Headphones with soft vinyl closed ear cushions Straight, single entry 4 foot cord Warranty: Limited Lifetime Warranty Overall: Packing the one-two punch of passive and active noise reduction (ANR), the Koss Quiet Zone QZ PRO headphones are the noise cancelling headphones of choice for music lovers. Their comfort and collapsibility ? not to mention sound... Less

Lightweight on ear stereophones that deliver deep bass and a wide frequenc response. Soft and comfortable ear cushions. RUK 40 Color Options To view RUK 40 (Color : Silver) - click here To view RUK 40 (Color : Blue) - click here Key features Lightweight Dynamic elements deliver deep bass and a wide frequency response Pivoting ear plates Ear cushions: Supra‐aural Pressure Sealed Vinyl Leatherette Specs Frequency response: 20-25,000 Hz Impedance: 36 ohms Sensitivity: 98 dB SPL Distortion:

Headphones & Earbuds HDMI Cables & Adapters Mounts & Brackets iPod & MP3 Accessories Cables & Accessories Koss PRO DJ 100 Professional DJ Stereo Headphones BRAND NEW / FACTORY SEALED / AUTHORIZED DEALER DESCRIPTION The SportaPro is the perfect stereo headphone for music lovers who need to move from the boardroom to the locker room without ever missing a beat. Combining the same amazing sound reproduction capability of the Koss Porta Pro with a flexible headband design that permits the listener to wear it on top of or behind the head, the SportaPro is the perfect accessory for music lovers on the go. Product Description The Koss Pro DJ100 is ideal for professional disc jockey use. The Pro DJ100s stylish spun metal earcups swivel 180. Swiveling earcups allow for single or double ear... Less

Part#: 178336 Compatibility: Apple iPhones, other smartphones with a 3.5 mm jack Specs: Frequency response: 10-20,000 Hz Impedance: 16 ohms Sensitivity: 112 dB SPL Features: Microphone: In-line microphone Talk: Push to talk button Contents: In Ear headphones with slow memory ear cushions Extra memory cushions Carrying case Straight, single entry 4 foot cord Warranty: Limited Lifetime Warranty Overall: Connect to your smartphone in a new way with Koss iSpark, the latest in high fidelity in-ear headphones. Enhance your musical experience with the iSpark's incredible bass response. The unique in-ear headphone design directs sound into the ear canal for deep bass and extended frequency performance. With iSpark's slow memory ear cushions, you are guaranteed a great sound and a tailored... Less

Get great sound from your computer with the Koss Lightweight Headphones for Computers.

Koss Porta Pro headphones high quality sound set sound performance and comfort standards for portable personal listening worldwide when first introduced in 1984. Since then, to the delight of devout Porta Pro enthusiasts, Koss has preserved the original design and performance that made the Porta Pro a portable music icon.Designed for those with refined musical taste, the lightweight Koss Porta Pro headphones continue to be the most requested headphone on koss.com. Constructed from Mylar, the elements are extremely rigid, minimizing mechanical distortion and ensuring exceedingly accurate sound reproduction. Koss Porta Pros feature dynamic elements that deliver exceptionally rich, deep bass, and a remarkably wide frequency response to capture every nuance in your favorite movie or musical... Less

Part#: 176588 Specs: Frequency response: 16-22,000 Hz Impedance: 36 ohms Sensitivity: 102 dB SPL Features: Sound: Noise isolating studio quality Sound: Closed ear cups for vivid bass tones Structure: Padded sling with metal headband Structure: Swiveling ear cups Structure: Ear cups fold flat Material: Neodymium, iron and boron (rare-earth magnets), plus a dynamic element for extended frequency response Contents: In Ear headphones with silicon ear cushions 3 sized ear cushions (small, medium, large) Straight, dual entry 4 foot cord Warranty: Limited Lifetime Warranty Overall: Koss' sleek UR50 studio headphones are tailored toward a listening experience defined by excellent noise isolation, vividly smooth bass, and dependable, long-lasting comfort. Like other Koss studio headphones,... Less

Lightweight on ear stereophones that deliver deep bass and a wide frequenc response. Soft and comfortable ear cushions. RUK 40 Color Options To view RUK 40 (Color : Silver) - click here To view RUK 40 (Color : Red) - click here Key features Lightweight Dynamic elements deliver deep bass and a wide frequency response Pivoting ear plates Ear cushions: Supra‐aural Pressure Sealed Vinyl Leatherette Specs Frequency response: 20-25,000 Hz Impedance: 36 ohms Sensitivity: 98 dB SPL Distortion:

Part# 182973, 182981, 182999: Features: Lightweight Dynamic elements deliver deep bass and a wide frequency response Pivoting ear plates Ear cushions: Supra‐aural Pressure Sealed Vinyl Leatherette Specs: Frequency response: 20-25,000 Hz Impedance: 36 ohms Sensitivity: 98 dB SPL Distortion:

Koss Porta Pro Classic Portable On-Ear Headphones Black / Silver

Part#: 179590, 179631 Features: Lightweight Comfortable Ear cushions Specs: Frequency response: 15-20,000 Hz Impedance: 16 ohms Sensitivity: 110 dB SPL Plug: 3.5 mm Contents: In Ear stereophones with comfortable ear cushions 4 foot flat tangle-resistant cord with 3.5mm plug Warranty: Limited Lifetime Warranty

The UR 29 Collapsible Monitoring Headphones provide deep bass and treble clarity in a convenient, collapsible design. These high-fidelity, stereophonic headphones come with soft, leatherette ear cushions that provide both comfort and isolation of sound. The adjustable headband fits most head sizes, and an eight-foot power cord lets you easily reach nearby materials. Compatible with PC and Mac computers.

Koss Pro4AA headphones set the standard for full size professional headphones. They were introduced in 1970 as the first dynamic headphones to deliver true full frequency and high fidelity performance with impressive noise isolating capabilities. Retired in the late 80s, Koss swiftly returned the Pro4AA headphones to its product lineup due to overwhelming popular demand. They have since remained a staple of studio headphones in the radio and recording industries. Koss Pro4AAs meet the stringent demands of broadcast and recording professionals who require reliable equipment and superior performance. The full size professional headphones keep unwanted sounds out while letting every note in. Whether youre a sound professional or an audiophile, Pro4AAs deliver superior isolation, accurate... Less

Koss iSpark Stereo Earset - Wired Connectivity - Stereo - Earbud - BlackSpecificatio ns:Product Type: EarsetEarpiece Type: BinauralMinimum Frequency Response: 10 HzMaximum Frequency Response: 20 kHzColor: BlackConnectivity Technology: WiredBrand Name: KossForm Factor: OpenWireless Technology: Not ApplicableSound Mode: StereoHost Interface: Mini-phoneCable Length: 48"Product Type: EarsetEarpiece Design: EarbudEarpiece Type: BinauralMinimum Frequency Response: 10 HzMaximum Frequency Response: 20 kHzMicrophone Design: On-cableColor: BlackConnectivity Technology: WiredBrand Name: KossForm Factor: OpenManufacturer: Koss CorporationProduc t Name: iSpark Stereo EarsetWireless Technology: Not ApplicableSound Mode: StereoHost Interface: Mini-phoneCable Length: 48"Standard Warranty: Lifetime... Less

The Koss Sporta Pro are the perfect headphones for an active listener who needs to move from the living room to boardroom to locker room without missing a beat. Combining the sound reproduction of the Koss Porta Pro with a unique design that allows over-the-head or behind-the-head wearing, the Sporta Pro won?t interfere with hats or hairstyles ? a prime portable headphone. With Mylar elements ensuring accurate sound reproduction and minimal mechanical distortion, Koss Sporta Pros are a lightweight headphones that also feature computer- optimized rare-earth magnet structures (neodymium, iron and boron), which deliver uncommon sound clarity no matter what volume you listen at ? even with low-voltage DVD and MP3 players. The Sporta Pro?s comfortable ear cushions allow you to stay in... Less

QZ900 headphones are the latest addition to the Koss Quiet Zone line and add a new level of noise reduction, performance, and comfort. The electronics package inside each ear cup is designed to monitor outside noise received through specifically mounted microphones in each ear cup. Once this incoming noise can be analyzed, the Koss QZ900 circuit introduces a sound wave that is 180 degrees out of phase with the incoming signal. The result is what Koss engineers term "zero earth" at the point of the eardrum. Most low frequency distractions from airplanes, lawn mowers, fans or even office hum will be dramatically reduced by these noise canceling headphones. Koss QZ900 noise cancelling headphones will create less reason to turn up volume and overdrive the tiny amplifier in your portable... Less

Hey fans crank up the team spirit as your are rocking out with these cool Boston Red Sox Fan Jams Headphones by Koss. These over-ear headphones offer large ear cup speakers to make sure you can hear your tunes at maximum volume and the ear cups are cushioned to ensure a comfortable feel. Not to mention these headphones feature team colors and logo. These headphones are perfect for listening to your jams or relaxing and listening to your team score that victory. Lightweight portable headphones Single entry eight foot cord Adjustable headband for desired comfort Closed leatherette ear cushions Ideal for DJ Use and Lightweight for Portability Dynamic Element for Extended Frequency Response Soft Leatherette cushion for Added Comfort Closed Cushion System for Maximum Isolation... Less

Connect to your iPhone in a new way with the Koss iSpark: the latest in Hi-Fi stereophones from the trusted brand that introduced the first stereophone. Enhance your musical experience with the iSpark's incredible bass response. With the iSpark's slow memory ear cushions, you are guaranteed a custom fit every time. The iPhone compatible 3.5mm mini plug and 4 foot cord includes an inline microphone and button for accessing phone functions.The iSpark includes extra memory foam cushions and a glove soft carrying case.

With a frequency response of 15 to 25,000 Hz, the Koss KTX-PRO headset reproduces this broad range accurately. The in-line volume control button, in these Koss portable stereophones, lets you adjust the volume to suit your needs. For clear and loud sound, these Koss headphones have an impedance of 60 ohms. The cable length of the Koss KTX-PRO headset is about 5 feet, giving you enough mobility and comfortable wearing. For an enhanced listening experience, these Koss portable stereophones have a sling and open-ear design. The headband of these Koss headphones can be adjusted easily to fit your head size, so that you can wear it comfortably for longer hours.

Payment Shipping Returns Contact KOSS PRO-4AAT Studio Monitor Headphones The headphone that brought KOSS fame as a maker of quality headphones -- new and improved! KOSS PRO-4AAT Studio Monitor Headphones -- Earlier versions of this fine headphone helped set the standards for fine musical reproduction and comfort Titanium coated diaphragm Extra durable for studio broadcast use Closed, foam-filled ear cushions provide hours of comfort, maximum bass and complete acoustic isolation Voice coil for e

Koss Pro-3AA Stereo Headphones

The noise isolating ability of the Koss Mirage in-ear headphones make them an ideal option for music lovers who live at the gym. The custom comfort of silicone ear cushions (available in three sizes) and a variety of stylish colors (complementing the design of today?s MP3 players) all adds to your ability to take these in-ear headphones anywhere. From treadmills to airplanes, sidewalks to subways, the noise isolating Mirage in-ear headphones are no trick of the senses, but the perfect vehicle for the Sound of Koss. Key Features: Dynamic element positioned outside ear for extended frequency response Customized fit enhances isolation Includes small, medium and large silicone ear cushions Ear cushions eliminate unwanted ambient sounds Available in a wide variety of colors (blue, green,... Less

Listen to high quality digital music on the go with the Koss UR40. With a wide frequency response from 15-22,000Hz, these Koss headphones give you uniformly excellent sound quality over the range. Get reduced mechanical distortion and improved sound reproduction due to the titanium coating on these Koss stereophones diaphragm. Listen to your favorite tracks at exceptionally high volume, thanks to the neodymium iron boron rare earth magnet structure of the Koss UR40. Get crystal clear sound and improved signal transmission achieved due to the oxygen-free copper voice coils of these Koss headphones. These lightweight Koss stereophones let you enjoy your favorite music without burdening your ears.