The AKG's K240 Studio is a pair of semi-open over-ear headphones built for professional applications like audio monitoring, mixing, mastering, and playback. Their proprietary Varimotion diaphragms and superior 30 mm XXL transducers provide a wide dynamic range, enhanced sensitivity, and high sound levels, while their semi-open design provides a robust bass range and highly clear highs. Musicians, producers, and engineers rely on this headphone to hear mixing subtleties with outstanding accuracy, making these headphones a staple in recording studios. Their self-adjusting headband gives an excellent fit, and their over-ear pads nicely wrap the ears provides comfort for long listening sessions, in addition to having excellent sound quality.