Take Control of Your Sound Never too hot. Never too high. Always just right. Designed for discerning musicians and engineers, the K182 professional closed-back monitor headphones deliver incredibly accurate sound. 50mm drivers keep it loud - even when using mobile devices - while the 10 Hz - 28 kHz frequency range provides a truly balanced mix. 3D-axis folding and comfortable, replaceable ear pads make these headphones an easy travel companion, no matter where your sound takes you.