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Headphones — Psb M4U 9

Description, images, technical data and specifications

Psb M4U 9
Image source — © Psb

The acoustic part of the headphones is based on dynamic radiators with 40 mm graphene-coated diaphragms, and the Bluetooth version 5.2 adapter provides support for SBC, AAC, and aptX Adaptive codecs. The built-in battery provides 18 hours of autonomy with the noise reduction system turned on and 25 hours without it. The headphones weigh 362 grams.

Specifications

  • Model name

    M4U 9

  • Transducer principle

    Dynamic or Isodynamic

  • Scheme

    Closed

  • Wearing style

    TWS

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

    10

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

    23 000

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

    N/A

  • Connection type

    Wireless

  • Connector (mm)

    N/A

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

    N/A

  • Impedance (Ohm (1 kHz))

    32

  • Playback time (hours)

    25

  • Weight (g)

    362

  • Official link

    https://www.psbspeakers.com/int/m4u-9-premium-wireless-anc-headphones

Psb M4U 8 MKII

More components

  • M4U TWM

    Headphones

    Psb M4U TWM

    M4U TWM — True Wireless Micro Planar in-ear headphones have received dual planar high and low frequency converters. The headphones also use aptX Adaptive Bluetooth, with clear tactile response buttons to make it easier to control playback and voice calls.

  • M4U 8 MKII

    Headphones

    Psb M4U 8 MKII

    The model has Immersive Room Feel technology, which is the second version of PSB's Room Full. This technology provides a scientifically developed transfer function that translates the warm, open sound of a live performance into the private world of headphones.

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