Technical Data Frequency response 17–22,000 Hz Transducer principle dynamic, open Nominal impedance 32 Ω Characteristic SPL 106 dB at 1 kHz, 1 V rms THD <0.3 % at 1 kHz Ear coupling supraural Contact pressure approx. 3.2 N Weight (without cable) approx. 9.4 oz Connector 1/8"stereo mini jack plug with adapter to 1/4" stereo jack plug Connection cable 3 m, detachable