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Headphones — Koss PRO4AA

Description, images, technical data and specifications

Koss PRO4AA
Image source — © Koss

The legendary full-size closed studio headphones, which have been produced since 1970 and are known for their natural, precise and deep sound, as well as their rigid construction and excellent sound insulation. These "classics of the genre" are great for recording, broadcasting, and just audiophiles.

Specifications

  • Model name

    PRO4AA

  • Transducer principle

    Dynamic or Isodynamic

  • Scheme

    Closed

  • Wearing style

    Over-ear

  • Frequency response low +/- 10dB (Hz)

    10

  • Frequency response high +/- 10dB (Hz)

    25 000

  • Max. sound pressure level (dBSPL (1 kHz @ 5% THD))

    95

  • Connection type

    Wired

  • Connector (mm)

    6,3 mm

  • Sensitivity (dBSPL (1 kHz/ 1 mW)))

    N/A

  • Impedance (Ohm (1 kHz))

    250

  • Playback time (hours)

    N/A

  • Weight (g)

    N/A

  • Official link

    https://koss.com/products/pro4aa

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