The Mackie MC-250 are closed-back, over-ear reference headphones offering passive noise isolation and extended low-frequency reproduction for recording and mixing engineers as well as musicians. Large 50mm drivers in a precision-tuned enclosure deliver a wide frequency response of 10 Hz to 20 kHz. The padded earcups and padded adjustable headband ensure comfortable wearing for long performances and sessions. For convenient storage and transport, the MC-250 headphones utilize a collapsible folding design, which enables them to fit neatly in the supplied soft carry bag.