Hifi Boy OS V3

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  • Hifi Boy OS V3
  • Hifi Boy OS V3
  • Hifi Boy OS V3
  • Hifi Boy OS V3
  • Hifi Boy OS V3



  • Balanced Armature & Dynamic Hybrid Driver- OSV3 adopts a 2 Balanced Armature and 1 Dynamic Driver 2 way cross over configuration. The 7mm composite Dynamic Driver is responsible for the bass and atmosphere while the Balanced Armature drivers is responsible for the mid & high frequency.
  • Resin cavity- OSV3 housing is hand made using resin cavity for a beautiful shiny appearance.
  • Extremely easy to drive- OSV3 is easily driven by most devices in the market.
  • OSV3’s shape design referenced is based on a lot of ear type, earphone used streamline, perfectly fit the human ear, superior comfort.
  • Silver-plated cable- High-spec silver wire with 18K gold-plated 0.78mm pins, make the sound more balanced and enduring.


  • Drivers: 2 Balanced Armature & 1 Dynamic Driver (Ultra-high frequency Balanced Armature + high frequency Balanced Armature + 7mm strong magnetic composite diaphragm Dynamic Driver )
  • Impedance: 19 Ohm
  • Sensitivity: 109 dB
  • Frequency response 20Hz-20KHz
  • Cable Length: 1.2 m
  • Plug: 3.5mm rhodium-plated
  • Wire: 5N OFC silver-plated cable
  • Connector: 2pin 0.78mm


  • Eartips
  • Carry case


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