HD 280 PRO are closed, circumaural wired headphones designed for professional monitoring. Although their use is broad, the 32 dB external noise cancellation makes these headphones suitable for possible work in very noisy environments. HD 280 PRO are closed, circumaural headphones designed for professional monitoring. Although their use is broad, the passive 32 dB external noise cancellation makes these headphones suitable for possible work in very noisy environments.FeaturesAccurate reproduction with linear frequency response, meets the high demands of professional monitoringLong service life thanks to durable construction and readily available spare partsVery good passive suppression of acoustic background noiseLightweight designComfortable to wear thanks to soft, circumaural earpiecesNeodymium magnets provide optimum sensitivity and wide dynamic rangeInterchangeable single-sided coiled cableSpace-saving design thanks to foldable, swivel earcups1 HD 280 PRO headphones1 screw-on 6.3 mm jack reducerWeight 285 gFrequency response 8 - 25000 HzSPL 1163 dBTHD 0.1%Impedance 64 Ohm3.5/6.3 mm jack reducer included