ProStereo F4 Hi-Res Audio Headphones   

Hi-Res Audio products have become increasingly popular in recent years, whether in product selection or price positioning has also been adjusted. when compared to a few years ago. However, ProStereo™ has been taking a positive attitude in promoting Hi-Res Audio, like the newly launched ProStereo™ F4 with high price ratio and tasteful design to reduce distance of general public with high music quality. With the promotion of major mobile phone manufacturers in Hi-Res Audio Mobile, its application is greatly improved.



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Fully complies with the Hi-Res Audio! certification requirements of the Japan Audio Society

The overall low-key and neutral-based, with a personalized brown aluminum alloy shell, can be isolated from the impact of external electromagnetic and thus reduce the role of music resonance effectively

Built-in professional microphone multi-function control keys for high-definition call, volume control and voice recognition, etc^., plus Hi-Fi high-resolution audio quality, so compatible with the latest mobile phone

Other Features




Drivery Type: 9mm Dynamic Driver

Sensitivity (dB/MW):102.5 ± 3 dB/mW
Frequency Range (Hz): 5 Hz – 70 kHz
Max. Input Power: 10mW

Cable length: 1.2 meters
Weight: 18.4 grams
Impedance: 17 Ω


Box Content

ProStereo™ F4 Headphones
Earbuds (SS,S,M,L sizes)
Premium carrying pouch
Quick Start Guide


!The product with this logo is conformed to High-Resolution Audio standard defined by Japan Audio Society. This logo is used under license from Japan Audio Society.

ProStereo™ is a brand held by i.Tech Dynamic Global Distribution Ltd.