Meze Audio Poet hifi headphones; wired; over ear; open back; magnetostatic; frequency range: 4 Hz - 96 kHz; impedance: 55 Ohms; sensitivity: 101 dB SPL/mW @ 1 kHz; Rinaro Isodynamic Hybrid Array Driver; harmonic distortion: <0,05 % @ 1 kHz; ear pads made of PU leather; headband made of suede leather and titanium Alloy frame; housings made of Magnesium; detachable, two sided, straight 2.5m copper PCUHD cable with 6.3mm Jack; delivery content: Poet headphone, 2.5 m cooper PCUHD cable with 6.3mm jack, ABS Hard Case, Cable pouch; weight: 350g; color: black/copper/silver