Audio-Technica ATH-R70 X reference headphones - over ear design, open back, 3D wing support, two-sided cable management, breathable fabric earpads, high-efficiency magnets, 45 mm drivers, frequency range: 5 - 40000Hz, max. input power 1000 mW@1 kHz, 470 Ohms impedance, 98 dB SPL, weight: 210 g (without cable), colour: black