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www.koss.com/

Koss Corporation is US-based headphone manufacturer. Established in 1953, the company introduced to the world the first high fidelity stereophones. Learn more

About vendor

Koss was founded in 1953 as a hospital TV rental company by John Koss. When looking for new ideas to kickstart the company, John teamed up with engineer Martin Lange. Almost by accident the two of them came upon the headphone idea as a result of an attempt to market a portable phonograph. What made this product unique was the privacy switch feature, which gave listeners the opportunity to listen to the first Koss SP/3 Stereophones.

Until then headphones had only been used in communications applications. In 1958 the design was introduced at a hi-fi trade show in Milwaukee, and it became an instant success. Soon after the trade show, Koss went into business manufacturing and marketing stereophones.

In the following years Koss developed a number of iconic models that are still being sold to this day and loved by millions. Such are the company’s most legendary series Porta Pro, first introduced in 1984. Other notable examples include Pro/4AA launched in 1970, as well as the 1990-s inventions: KSC35, UR 20 and The Plug.

Koss technologies were copied by the competition. In 2020, Koss sued Apple, Bose, JLAB Audio, Plantronics Inc., and Skullcandy for patent infringement, eventually settling with Apple in 2022 for an undisclosed amount.

Since 1989, all headphones manufactured in North America by Koss come with a limited lifetime warranty covering normal use by the initial owner. 

The Koss family still owns more than 75% of the firm.

Vendors catalogue

Koss UR20 DJ Style Over-Ear

SKU: 194697.101

64 GEL*

in stock

Type: wired; Cable length/radius: 2.4 m; Appointment: headset for PC, for mobile devices; Intentional impedance: 32 Om; Frequency range: 30-20 000 Гц; Sensitivity: 97 dB; Color: black;

Koss Headphone UR10 Over-Ear

SKU: 196990.101

27 GEL*

in stock

Type: wired; Cable length/radius: 1.2 m; Appointment: headset for PC, for mobile devices; Design: covering; Intentional impedance: 32 Om; Frequency range: 60 - 20000 Гц; Sensitivity: 94 dB; Color: silver;

Koss UR40 Over-Ear

SKU: 197063.101

108 GEL*

in stock

Type: wired; Cable length/radius: 1.2 m; Appointment: headset for PC, for mobile devices; Intentional impedance: 60 Om; Frequency range: 15-22 000 Гц; Sensitivity: 98 dB; Weight: 172 g;

Koss KSC32iGRY Fit Mic Grey

SKU: 194887.101

42 GEL*

in stock

Koss FitClips utilize an original and unique design that ensures the perfect fit. Using a new in-ear ported design, the elements rest comfortably in the ear to create the ideal seal for the ultimate listening experience. The Koss FitClips feature an in line, one touch microphone. Listeners are given the choice of three sizes of ear cushions designed to fit perfectly in every ear. Soft flexible clips rest comfortably around the ear to guarantee the music never stops. FitClips are available in four vibrant colors featuring a sweat-resistant coating for active use and unmatched durability.

Koss KPH8w On-Ear White

SKU: 195687.101

26 GEL*

in stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Design: covering; Intentional impedance: 32 Om; Frequency range: 80 – 18 000 Гц; Sensitivity: 94 dB; Color: white;

Koss KPH8k On-Ear Black

SKU: 195603.101

27 GEL*

in stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Design: covering; Intentional impedance: 32 Om; Frequency range: 80 – 18 000 Гц; Sensitivity: 94 dB; Color: black;

Koss KPH7w On-Ear White

SKU: 192865.101

20 GEL*

in stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Intentional impedance: 32 Om; Frequency range: 80-18 000 Гц; Sensitivity: 91 dB; Color: white;

Koss KPH7b On-Ear Blue

SKU: 192849.101

19 GEL*

in stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Intentional impedance: 32 Om; Frequency range: 80-18 000 Гц; Sensitivity: 91 dB; Color: blue;

Koss KE5w White

SKU: 192881.101

10 GEL*

in stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Intentional impedance: 16 Om; Frequency range: 60-20,000 Гц; Sensitivity: 96 dB; Color: white;

Koss BT232i In-Ear Clip Wireless Mic

SKU: 196651.101

80 GEL*

in stock

Type: wireless; Cable length/radius: 10 m; Appointment: for mobile devices; Mounting type: behind-the-ear arc; Frequency range: 18–20 000 Гц; Sensitivity: 104 dB; Color: gray;

Koss CS200i 3.5mm

SKU: 197055.101

67 GEL*

in stock

Type: wired; Cabling: one-sided; Cable length/radius: 1.2 m; Appointment: headset for PC, for IP-phones; Frequency range: 20–22 000 Гц; Sensitivity: 102 dB; Color: black;

Koss CS100 2*3.5mm

SKU: 194811.101

55 GEL*

in stock

Type: wired; Cable length/radius: 2.4 m; Appointment: headset for PC, for IP-phones; Intentional impedance: 32 Om; Color: gold and black;

Koss Porta Pro Classic Collapsible On-Ear

SKU: 192485.101

87 GEL*

expected

Type: wired; Cable length/radius: 1.2 m; Design: folding; Intentional impedance: 60 Om; Frequency range: 15-25 000 Гц; Sensitivity: 101 dB; Weight: 79 g; Color: black and silver;

Koss Headphones BT115i Wireless Mic

SKU: 196750.101

69 GEL*

out of stock

Type: wireless; Cable length/radius: 10 m; Frequency range: 18-20000 Гц; Sensitivity: 110 dB; Color: gray and black;

Koss UR23iK Over-Ear Mic Black

SKU: 195083.101

49 GEL*

out of stock

Type: wired; Appointment: headset for PC, for mobile devices; Design: full-size; Intentional impedance: 34 Om; Frequency range: 20 - 20 000 Гц; Sensitivity: 94 dB; Weight: 234 g; Color: black;

Koss The Plug Noise Isolating Classic

SKU: 196635.101

38 GEL*

out of stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Mounting type: in-ear; Intentional impedance: 16 Om; Frequency range: 10–20 000 Гц; Sensitivity: 112 dB; Weight: 7 g; Color: black;

Koss KSC75 On-Ear Clip

SKU: 192576.101

52 GEL*

out of stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Mounting type: behind-the-ear arc; Intentional impedance: 60 Om; Frequency range: 15-25 000 Гц; Sensitivity: 101 dB; Weight: 26 g; Color: silver;

Koss KPH7k On-Ear Headphones, 3.5 mini-jack, 1.2m, Black

SKU: 192592.101

14 GEL*

out of stock

The ultra-lightweight Koss KPH7 on-ear headphones fully deliver the signature Koss sound. Providing incredible sound quality, they are perfect for people who need ultra-light headphones. The Koss KPH7 on-ear headphones are equipped with dynamic elements for an extended frequency response. They feature a modern design. The Koss KPH7 is ideal for portable MP3 players or iPods.

Koss Headphones KPH7 Over-Ear Wireless Mic

SKU: 196213.101

73 GEL*

out of stock

Closed-back, portable design, Bluetooth 5.0, 18+ hour battery life, On-board microphone, Integrated on-board controls, Folds flat for easy portability, Adjustable headband. When your listening at home or on the go, the Koss KPH7 Wireless delivers all the excitement of a live performance.

Koss KPH30iK On-Ear

SKU: 195124.101

74 GEL*

out of stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Intentional impedance: 60 Om; Frequency range: 15-25 000 Гц; Sensitivity: 101 dB; Color: black;

Koss KE9iW In-Ear Headphones, 3.5 mini-jack, Mic, White

SKU: 192617.101

24 GEL*

out of stock

Koss KEB9i is a modern combination of style and sound in one device. The innovative shape of the headphone housing provides a perfect fit with a touch of a finger.

Koss KE9iK In-Ear Headphones, 3.5 mini-jack, Mic, Black

SKU: 192526.101

24 GEL*

out of stock

The Koss KEB9i is a modern blend of style and sound all in one package. An innovative angled port ensures the perfect fit at the touch of a finger. The ingenuity of the KEB9i brings you closer to the music you love. The legendary Sound of Koss takes care of the rest.

Koss KEB9iGry Mic Grey

SKU: 192451.101

24 GEL*

out of stock

Type: wired; Cable length/radius: 1.2 m; Appointment: for mobile devices; Intentional impedance: 16 Om; Frequency range: 18–20 000 Гц; Sensitivity: 110 dB; Color: gray;

Koss KE6iB In-Ear Headphones, 3.5 mini-jack, Mic, Blue

SKU: 192360.101

24 GEL*

out of stock

Koss KEB9i is a modern combination of style and sound in one device. The innovative shape of the headphone housing provides a perfect fit with a touch of a finger.