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Koss PRO4 / S Full Size (24 months)

Headphones - Collapsible, 10Hz - 25kHz, 35Ohm impedance, 99dB sensitivity, removable cable and portable case
The product is localised for GB
incl. VAT £148.90
excl. VAT £124.08
Extended warranty + 1 year £14.89 Extended warranty + 1 year
Return products within 60 days £7.44 Possibility to return products within 60 days
In stock 4 pcs
Hassle-free One-click buying using preset Shipping and Payment options.
Warranty 24 months Code:  JK124e Extended Warrant +75 months Product Number:  PRO4SB
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Koss PRO4 / S Full Size (24 months) £148.90 In stock 4 pcs

Koss PRO4 / S Full Size (24 months)

Koss around your ear headhpones PRO4/S Full Size are designed for professionals who are involved in making music. They are Suitable for study and creative environment because of the accurate, undistorted sound. Rugged design and durable materials complete the very elegant design of this model.

The main Advantages:

  • Effective noise isolation from the environment
  • Valuable materials
  • Closed cushions perfect seal Creates a perfect audio backdrop
  • Folding design

Undisturbed reproduction


Headphones are equipped with D-shaped cushions, which follow the shape of the ear. Isolate the sound from the environment and as a result background noise is elimniated. Aluminum shells contain memory foam that is wrapped in soft leather. This combination is signed for structural strength and comfort. Similarly, on the headband, the metal base is coated with a breathable foam. It Is suitable for extended wear with no signs of discomfort.

Detachable cable


Pro4S headphones are equipped with detachable cable options. When carrying it,  you will also appreciate its folding design and storage case, which is included.

Ear coupling
around the ears Done!
Closed Done!
Without microphone Done!
connection type
3.5 mm Jack Done!
Cable length
1.4 m Done!
Cable routing
Unilateral (in one shell) Done!
Headphone characteristics
Frequency in
25,000 Hz Done!
Frequency out
10 Hz Done!
Functions and Features
folding design, A detachable cable Done!
99 dB/mW Done!
35 Ohm Done!
Black Done!
More Specifications

Legendary producer headphones KOSS was founded by John C. Koss in 1953 in Milwaukee. Reputation the company built steadily throughout the second half of the twentieth century. In 1969 headphones appearing in Air Force One. In the era of the Beatles, the company scores points with its Koss Beatlephone. Milestone occurred in 1989. The company introduced perhaps the most popular headphones of all time - Koss Porta Pro, which is unchanged nowadays. At the time, the quality of the products the company already well known. Yet all surprised by an unprecedented step taken in 1989. Even then, the legendary society was so sure of exquisite quality of its products that all of its products launched in exchange for a negligible fee absolute lifetime warranty that lasts to this day.

At present, headphones KOSS considered the best on the market. The offer is wide enough so your favourite portfolio to find musicians, gamers, athletes, travelers, students and everyone who needs or wants the best.

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Specifications can be changed without notice. Images are for illustrative purposes only. Retail Price (MSRP) means the manufacturer's/supplier's suggested retail price.

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For shipping to other EU countries visit this page Koss PRO4 / S Full Size (24 months). Chcete doručit zboží do Česka? Prohlédněte si Koss PRO4/S Full Size (24 měsíců). Chcete doručiť tovar na Slovensko? Prezrite si Koss PRO4/S Full Size (24 mesiacov). Für Versand nach Österreich, besuchen Sie bitte Koss PRO4 / S in voller Größe (24 Monate). Magyarországra történő kiszállításért tekintse meg ezt a termékoldalt: Koss PRO4/S Full Size (24 hónap).

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