Audio Technica ATH-PACK4, Studio headphone pack

Descriptions Audio Technica ATH-PACK4, Studio headphone pack The Audio Technica ATH-PACK4 is a set of four M-Series headphones to cover all your professional monitoring and mixing needs - and at a reduced price, too. The pack includes one pair of ATH-M40X pro monitor headphones, which are tuned flat for an outstanding accurate audio monitoring across an extended frequency range. If you are an engineer on a session, the Audio Technica ATH-PACK4 is the best choice for you. The ATH-M40X headphones feature a 90 degree swiveling earcups, a collapsible design and two detachable cables (1.2 m - 3.0 m coiled and 3.0 m straight). The  Audio Technica ATH-PACK4 also includes three pairs of ATH-M20X pro monitor headphones that can be usef by musicians or other participating in a session. Another thing in ATH -PACK4 is its performance because it is tune for enhanced low-frequency. The M20x headphones are conveniently designed with a single-sided cable and, like the M40x, feature robust construction and circumaural earcups for excellent sound isolation and comfort. 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. Product Features of the ATH-PACK4 Studio headphone pack includes one pair of ATH-M40x headphones and three pairs of ATH-M20x headphones Cutting-edge engineering and robust construction 40 mm drivers with rare earth magnets and copper-clad aluminum wire voice coils Circumaural design contours around the ears for excellent sound isolation in loud environments For professional studio tracking and mixing Specifications Type Closed-back dynamic Driver Diameter  40 mm Magnet  Neodymium Voice Coil  CCAW (Copper-clad aluminum wire) Frequency Response  ATH-M40x: 15 - 24,000 Hz ATH-M20x: 15 - 20,000 Hz Maximum Input Power  ATH-M40x: 1,600 mW at 1 kHz ATH-M20x: 700 mW at kHz Sensitivity  ATH-M40x: 98 dB ATH-M20x: 96 dB Impedance  ATH-M40x: 35 ohms ATH-M20x: 47 ohms Weight  ATH-M40x: 240 g (8.5 oz), without cable and connector ATH-M20x: 190 g (6.7 oz), without cable and connector Cable  ATH-M40x: two interchangeable cables: detachable 1.2 m - 3.0 m   (3.9' - 9.8') coiled cable and detachable 3.0 m (9.8') straight cable ATH-M20x: 3.0 m (9.8') straight cable Accessories Included  ATH-M40x: Protective carrying pouch, 6.3 mm (1/4") screw-on   adapter ATH-M20x: 6.3 mm (1/4") snap-on adapter