Sony Noise Cancelling Headphone MDR-ZX110NC

DRIVER UNIT: 30 mm dynamic � Dome type MAGNET: Neodymium IMPEDANCE (OHM): Power ON 220 ohm, OFF 45 ohm (at 1kHz) DIAPHRAGM: PET FREQUENCY RESPONSE: 10�22,000Hz SENSITIVITIES (DB/MW): 115 dB/mW � Power on, 110 dB/mW � Power off CORD LENGTH: 1.2 m PLUG: Gold-plated L-shaped stereo mini WEARING STYLE: Headband, On-ear