Authorized Dealer. TypeClosed-back dynamicDriver Diameter40 mmMagnetNeodymiumVoice CoilCopper-clad aluminum wireFrequency Response15 – 22,000 HzMaximum Input Power1,300 mW at 1 kHzSensitivity96 dBImpedance47 ohmsWeight220 g (7.8 oz), without cable and connectorCable3.0 m (9.8?), straight, left-side exitAccessories IncludedProtective carrying pouch, 6.3 mm (1/4?) screw-on adapterAudio-Technica ATH-M30x Professional Monitor HeadphonesThe M-Series Audio-Technica ATH-M30x Professional Monitor Headphones combine modern engineering and high-quality materials to deliver a comfortable listening experience, with enhanced audio clarity and sound isolation. Tuned for highly detailed audio, with strong mid-range definition, these versatile monitoring headphones are ideal in a variety of situations. Designed primarily for studio tracking and mixing, they offer added features for increased portability, making them a great choice for field recording.More About the M-Series Headphones Critically acclaimed M-Series professional monitor headphones deliver accurate audio and outstanding comfort, perfect for long sessions in the studio and on the go. Contoured earcups seal tight for excellent sound isolation, with minimal bleed. And the pro-grade materials are durable, yet comfortable. Find out why online reviewers, top audio engineers, and cult followers agree, M-Series is an unmatched combination of audio and build-quality that gets the job done. Hour after hour, year after year.Technical InformationWith enhanced audio clarity and sound isolation, the Audio-Technica ATH-M30x Professional Monitor Headphonesare tuned for highly detailed audio. Featuring strong mid-range definition, these versatile monitoring headphones are ideal in a variety of situations. Designed primarily for studio tracking and mixing, they offer added features for increased portability, making them a great choice for field recording.Audio-Technica M Series SpecificationsATH-M20xATH-M30xATH-M40xATH-M50xATH-M70xFrequency Response15 Hz - 20,000 Hz15 Hz - 22,000 Hz15 Hz - 24,000 Hz15 Hz - 28,000 Hz5 Hz - 40,000 HzDriver Size40 mm40 mm40 mm45 mm45 mmSensitivity96 dB96 dB98 dB98 dB97 dBMaximum Input Power700 mW1300 mW1600 mW1600 mW2,000 mWImpedance47 Ω47 Ω35 Ω38 Ω35 ΩCollapsibleNoNoYesYesNoEarcup Swivel15° Both Directions15° Both Directions15° In / 90° Out90° Both Directions90° Both DirectionsCable9.8' straight9.8' straight3.9 - 9.8' coiled, 9.8' straight9.8' straight, 3.9 - 9.8' coiled, 3.9' straight9.8' straight, 3.9' - 9.8' coiled, 3.9' straightWeight6.7 oz7.8 oz8.5 oz10 oz9.9 oz