Product Description

HFI57 is a professional dynamic headphones with closed-back earpieces, particularly suited for the use as monitor headphones in recording applications. The sophisticated 57mm. drivers offer an extended response with a sound reproduction faithful to the source.
It is fitted with 2mt. single cable with 3.5mm mini-jack and 6.3mm adapter. The 32ohm impedance makes it compatible with all models of smartphones and tablets.


  • Quality Professional Headphones
  • Extended Response
  • 57mm Drivers
  • 2m Cable
  • Includes 3.5mm Jack with 6.3mm Adaptor

What’s in the box

  • Proel HFI57 Closed-Back Headphone


Type Circumaural headphones, Closed-back
Driver size 57 mm
Frequency range 20 – 25000 Hz
Sound pressure level (SPL 102 dB
Power handling capability 200mw
THD, total harmonic distortion 0,10%
Nominal impedance 32 ohm
Jack plug 3,5/6,3 mm stereo
Cable length 2 m


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