The Audio Technica ATH R70x is a professional open back reference over ear headphone designed for critical listening mixing and mastering. It features 45 mm large aperture drivers with a wide frequency response of 5 Hz to 40 kHz and a high impedance of 470 ohms delivering accurate and natural sound reproduction. The acoustically transparent aluminum honeycomb housing and carbon composite resin structure ensure low resonance and a spacious soundstage. Weighing approximately 210 g without the cable it offers long wearing comfort with its 3D Wing Support system and breathable earpads. A detachable dual sided cable ensures correct stereo orientation and connection reliability making it ideal for studio professionals.