The ATH-R70x is Audio-Technica’s first pair of open-back reference professional headphones. Together with the ATH-M70x, they stand as a flagship model in A-T’s lineup of professional studio headphones. Featuring specially designed drivers and acoustically transparent housings fashioned from aluminum honeycomb mesh, these headphones provide an accurate and natural open-back sound. They also incorporate a new, improved design of our popular 3D wing support system to provide even greater comfort during the prolonged use often required in professional settings.FeaturesHigh-efficiency magnets and pure alloy magnetic circuit design reduce distortion and ensure accurate and extended high-frequency responseCarbon composite resin improves structural rigidity to provide detailed transient responseAcoustically transparent, aluminum honeycomb-mesh housings provide a natural and spacious open-back soundBreathable fabric earpads and improved wing support provide long-wearing comfortFeather-light weight (approx. 210 g w/o cable) and robust construction make headphones perfectly suited for professional useUnique, dual-sided detachable locking cable is L/R signal independent, always ensuring proper stereo orientationSpecificationsHeadphonesTypeOpen-back referenceDriver Diameter45 mmFrequency Response5 – 40,000 HzMaximum Input Power1,000 mW at 1 kHzSensitivity98 dBImpedance470 ohmsWeight210 g (7.4 oz), without cable and connectorAccessories IncludedProtective carrying pouch