AKG K240 MK2 Headphones: Hi, I'm Walter Rearick, from AKG Acoustics giving you some basic explanations about our premium studio headphone line. We do have the K240 MK2 headphone available. This is a headphone based on a very legendary headphone design which we do have available for the studio market. The K240 is the semi-open circumaural design head phone. So it circumaural means it covers the ear completely, and semi-open you see the rear sound entries here, it is responsible for the very open characteristic design of these headphones. The speaker element, being hidden behind this little fabric here, features our patented Varimotion speaker design. Thats AKG patent in order to guarantee the utmost flattest frequency response, and high profile acoustics. The headphones feature a single attached cable, makes the headphone very easy to use for almost any recording and monitoring situation you can imagine.