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Headphones — Koss Porta Pro

Description, images, technical data and specifications

Koss Porta Pro
Image source — © Koss

The iconic portable overhead headphones of the open type, which have been produced since 1984 and are still loved by music lovers for their vintage design, lightness and excellent sound. They are known for deep, rich bass, wide stage and high sensitivity, and their legendary folding design with the proprietary ComfortZone system ensures comfort even when worn for a long time.

Specifications

  • Model name

    Porta Pro

  • Transducer principle

    Dynamic or Isodynamic

  • Scheme

    Open

  • Wearing style

    Over-ear

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

    15

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

    25 000

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

    N/A

  • Connection type

    Wired

  • Connector (mm)

    3.5 mm

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

    101

  • Impedance (Ohm (1 kHz))

    60

  • Playback time (hours)

    N/A

  • Weight (g)

    N/A

  • Official link

    https://koss.com/products/porta-pro

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