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
More components
Headphones
Psb M4U TWM
Headphones
Psb M4U 8 MKII
