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Koss PRO3 / AA Full Size (24 months)

Headphones Closed, leatherette earrings, 15Hz - 20kHz, impedance 60Ohm, sensitivity 100dB
The product is localised for GB
Price incl. VAT £75.90
Price excl. VAT £63.25
Extended warranty + 1 year £7.60 Extended warranty + 1 year
Ordered on request within 7 days Watch Availability
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Warranty 24 months Code:  JK124c Extended Warrant +75 months Product Number:  PRO3AA
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Koss PRO3 / AA Full Size (24 months) £75.90 Ordered on request within 7 days

Koss PRO3 / AA Full Size (24 months)

Domestic headphones of a completely enclosed design at first glance show their cutting edge design and quality workmanship. The design ensures a thorough isolation from the surroundings for unobtrusive listening. Increased stiffness minimizes mechanical distortion and ensures accurate sound reproduction.

Main advantages:

  • Perfect noise isolation from the surroundings
  • Full bass
  • Leather earrings
  • Folding construction
  • Tasteful design

Perfect isolation from the surroundings

Fitted clamshells with closed leatherette earrings provide perfect insulating properties. It creates a sealing ring around the ears, reduces ambient noise and improves bass. It creates a captivating backdrop for long listening. 

The head-bridge is suitably shaped and allows setting for everyone with maximum comfort. Composite construction is practical when traveling or storing. A massive detachable 2.4 m cable provides plenty of flexibility when moving. It is finished3.5mm jack with a gold-plated 6.5mm adapter .

Ear coupling
around the ears
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Without microphone
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connection type
3.5 mm Jack, 6.3 mm Jack
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Cable length
2.4 m
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Cable routing
Unilateral (in one shell)
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Headphone characteristics
Functions and Features
folding design
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Frequency out
15 Hz
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Frequency in
20,000 Hz
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100 dB/mW
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60 Ohm
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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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