The Audio Technica ATH-M20x Headphones are a great introduction to the critically acclaimed M-Series line. Modern design and high-quality materials combine to deliver a comfortable listening experience, with enhanced audio and effective isolation. An excellent choice for tracking and mixing. 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. Key Features: Driver Diameter: 40mm Voice Coil: Copper-clad aluminium wire Frequency Response: 15-20,000 Hz Maximum Input Power: 700 mW at 1 kHz Sensitivity: 96 dB Impedance: 47 ohms Weight: 190g without cable and connector Cable: 1.2m straight Accessories Included: 6.3mm snap-on adapter For more information, please visit the manufacturer's website.