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Headphones — Koss QZ99

Description, images, technical data and specifications

Koss QZ99
Image source — © Koss

These are durable, full-size closed-type monitor headphones with a passive noise reduction system that perfectly isolate from external sounds thanks to large gel-filled ear pads.

Specifications

  • Model name

    QZ99

  • Transducer principle

    Dynamic or Isodynamic

  • Scheme

    Closed

  • Wearing style

    Over-ear

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

    40

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

    22 000

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

    N/A

  • Connection type

    Wired

  • Connector (mm)

    3.5mm

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

    102

  • Impedance (Ohm (1 kHz))

    60

  • Playback time (hours)

    N/A

  • Weight (g)

    N/A

  • Official link

    https://koss.com/products/qz99

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