Audeze LCD-5 Open System headphone - open-back, over-ear design, 90 mm drivers, neodymium magnets (N50), planar magnetic, Fluxo magnet array, FAZOR Waveguide, Nano-Scale Parallel Uniforce, impedance 14 ohms, frequency rate 5 - 50000 Hz, max. SPL >130 dB, total-harmonic-distortion (THD) <0,1 % @ 100 dB, leather ear pads and headband, includes 1,9 m cable with 6,3 mm plug, 2x mini-XLR and aluminum case, weight 420 g