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Koss PRO3/AA Full Size (24 months)

Headphones - closed, leatherette ear cups, 15Hz-20kHz, impedance 60 Ohm, sensitivity 100dB
The product is localised for GB
Price incl. VAT £78.90
Price excl. VAT £65.75
Extended warranty + 1 year £7.90 Extended warranty + 1 year
Ordered on request within 7 days Watch Availability
Hassle-free One-click buying using preset Shipping and Payment options.
Warranty 24 months Code:  JK124c Extended Warrant +75 months Product Number:  PRO3AA Manufacturer's Website: (EN)
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Koss PRO3/AA Full Size (24 months) £78.90 Ordered on request within 7 days

Koss PRO3/AA Full Size (24 months)

At first sight, the Koss PRO3/AA fully enclosed home headphones strike you with their top-notch design and high-quality processing. They have been designed to ensure a thorough isolation from the surrounding noise for undisturbed listening. The increased toughness of the Koss PRO3/AA's minimises mechanical distortion, allowing accurate sound reproduction.

Key features:

  • Outstanding isolation from surrounding noise
  • Deep bass
  • Leather ear cups
  • Foldable
  • Stunning design

Perfect isolation from surrounding noise


The PRO3/AA's closed leatherette ear cups attached to its fork slide provide the perfect insulation, creating a sealing ring around the ears, reducing ambient noise, improving bass and guaranteeing a captivating sound experience even when listening for a long time.

The PRO3/AA's headband is shaped so as to ensure maximum comfort for any head. You're also sure to appreciate its foldable construction that's especially useful when travelling or for easy storage. The PRO3/AA's massive detachable 2.4m cable with a 3.5mm jack and a 6.5mm gold-plated adapter allows practically unrestricted movement

Ear coupling
around the ears Done!
Closed Done!
Without microphone Done!
connection type
3.5 mm Jack, 6.3 mm Jack Done!
Cable length
2.4 m Done!
Cable routing
Unilateral (in one shell) Done!
Headphone characteristics
Functions and Features
folding design Done!
Frequency out
15 Hz Done!
Frequency in
20,000 Hz Done!
100 dB/mW Done!
60 Ohm Done!
Silver 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 PRO3/AA Full Size (24 months). Chcete doručit zboží do Česka? Prohlédněte si Koss PRO3/AA Full Size (24 měsíců). Chcete doručiť tovar na Slovensko? Prezrite si Koss PRO3 / AAA Full Size (24 mesiacov). Für Versand nach Österreich, besuchen Sie bitte Koss PRO3 / AA Full Size (24 Monate). Magyarországra történő kiszállításért tekintse meg ezt a termékoldalt: Koss PRO3 / AA Full SIze (24 hónap).

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