KRK released monitor-type headset KRK KNS8400 of studio level. Their earpads contain 40 mm drivers, that are powered by neodymium magnets. They are able to reproduce 5 Hz – 23 kHz sounds frequencies and their impedance : is 36 Ohms, sensitivity : 97 dBa / 1 mWt, and max output power : 1000 mWt. Headset is connected to sound source with 2.5 m long detachable cable with 3.5 mm mini-jack gold plated connector. Cable also has detachable volume control unit. Earpuffs isolate ears from background sounds with max volume 30 dBa; they and headband are covered with soft material, that allow comfortable long-time use. Pressure of headset does not exceed 4 N for head of average size. Dimensions of headset are 94 mm x 267 mm x 244 mm ( depth x height x width ); their weight is 230 g. Package contains : KRK KNS8400 headset itself, detachable cable and volume control unit, and user’s guide.