ProStereo

ProStereo F4 Hi-Res Audio Headphones

ProStereo™ F4 has met the Hi-Res Audio headset certification requirements set by the Japan Audio Society. Its ultra-wide frequency range of 5Hz up to 70kHz produces a detailed tone no matter in the face of high frequency or bass, which is with great advantages when compared to the same level of products on the market.
 

Product Specification

Product name
ProStereo F4 Hi-Res Audio Headphones
Price(HK$)HK$398
Model numberF4
ColourCopper
FormatIn-ear
Weight(g)18.4g
Cable length1.2m
Earphone Plug3.5mm
Driver

9mm dynamic driver

Frequency Range(Hz)5Hz-70kHz
Sensitivity(dB/mW)102 ± 3 dB
Impedance(ohm)16 Ω
Control talkY
Water resistant levelN/A
Inside the box

ProStereo™ F4 High-Res Audio Headphones
4 pairs Earbuds (SS,S,M,L sizes)
Carrying Pouch
Quick Start Guide

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