audio-sound @ hatena

An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.

(News) JQ 4Upro: HiFi 4BA 1DD Five Drivers Hybrid in Ear Earphones

JQ 4Upro

JQ 4Upro


5-driver hybrid IEM JQ U4pro is now available.



  • 1 DD + 4BA Configuration
  • Exquisite Appearance
  • Ergonomic Design
  • High Quality Cable



  • Sensitivity: 112dB
  • Frequency Response: 10-22kHz
  • Impedance: 19Ω
  • Connectors: 0.78mm 2 Pin


1 DD + 4BA Configuration

The JQ 4Upro earphone has excellent driver configurations. It adopts 4 drivers and 1 dynamic driver with 3 way crossover technology. It has one driver for low frequency ,2 drivers for mid-high frequency and 2 drivers for extra-high frequency. JQ 4Upro has made advantage of this type of driver to present you a shockingly satisfactory sound effect.


Exquisite Appearance

Handmade isn’t only about technique but also our attitude and aesthetics towards handmade earphones. Each pair of JQ 4Upro is carefully crafted by our artist with unique pattern. Built with German imported resin, the shell is durable and stable as well.



Ergonomic Design

Based on large data of human ears, JQ 4Upro is built with a special shape to fit your ear securely and also comfortable. It can also greatly decrease the noise. With it, you can enjoy longtime, no disturbance music, anytime anywhere.



High Quality Cable

Cable is the least to be overlooked components in a HiFi earphones set. Thus we have chosen the high quality cable along with the braiding technique. The cable can great reduce the distortion and improve transition. Detachable feature provides future upgradeability. You can either change the cable with a new one or just replace with a preferred cable.



Price & Availability

The JQ U4 Pro is now available at Linsoul and other retailers. The price is $239.99.


JQ 4Upro

JQ 4Upro

JQ 4Upro