Headphones AKG K240 MKII:Professional Headphones with Varimotion DiaphragmsThe AKG K240 MKII professional semi-open headphones build on the success of their predecessor, the AKG K240 Studio model, which has become the gold standard in recording studios. These headphones feature advanced 30mm XXL transducers with patented Varimotion variable-thickness diaphragms that deliver a wide dynamic range, enhanced sensitivity, and premium sound levels with tight bass, precise mids, and crystal-clear highs.Enjoy Unrivalled Comfort—AKG K240 MKIIWith a high sensitivity of 104 dB and a low impedance of 55 Ohm, you can easily use the AKG K240 MKII headphones with less powerful sound sources (e.g. mobile phones) without any hassle. Not only have the headphones been designed to withstand the demands of countless trying hours in the recording studio, but their self-adjusting headband provides an ideal fit and their over-ear pads nicely envelop the ears.AKG K240 MKII Headphones—Key FeaturesCircumaural headphones with semi-open designAKG K240 MKII feature a professional XLR connectorPatented 30mm XXL transducers with Varimotion diaphragmsBalanced frequency responseInterchangeable cables and ear padsSelf-adjusting headband for maximum comfortReliable and durable constructionExtensive Accessories IncludedThe AKG K240 MKII headphones also feature a professional mini XLR connector and come with a 3m straight cable, a 5m coiled cable, and two sets of velvet and leatherette ear pads. And as you would expect from any decent pair of headphones, there is also a 3.5mm to 6.3mm convertible jack plug.