Headphones — Fosi Audio IM4
Description, images, technical data and specifications
Fosi Audio IM4
Image source — © Fosi Audio
The design of the Fosi Audio IM4 in—ear headphones is based on a broadband radiator with a 10 mm diameter polyurethane diaphragm with beryllium coating and an N52 neodymium magnetic system in a two-chamber acoustic housing.
Specifications
Model name
IM4
Transducer principle
Dynamic or Isodynamic
Scheme
Open
Wearing style
In-ear
Frequency response low +/- 10dB (Hz)
20
Frequency response high +/- 10dB (Hz)
20 000
Max. sound pressure level (dBSPL (1 kHz @ 5% THD))
N/A
Connection type
Wired
Connector (mm)
3,5mm, 4.4mm
Sensitivity (dBSPL (1 kHz/ 1 mW)))
109
Impedance (Ohm (1 kHz))
21
Playback time (hours)
N/A
Weight (g)
N/A
Official link
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