HFI57 is a professional dynamic headphones with closed-back earpieces, particulary suited for the use as monitor headphones in recording applications. The sophisticated 57mm. drivers offer an extended reponse 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.

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
Weight: w/o cable 289 g