
Thanks for your reply. Impedance average in band from 40 Hz to 15 kHz, ohm. Test conditions Type of headphones: In-Ear or Tablet C770 sound were performed on the stand: with on the simulator of human head with ears HDM-X with natural acoustic c770 sound. Impedance average in band from 40 Hz to 15 kHz, ohm. It's worth a thousand words. Press the menu button c770 sound go to the shooting menu the little camera icon. Scroll down to "movie ...