The HD 280 Pro is Sennheiser's most significant closed, around-the-ear headphone to be introduced in years. Designed to exceed the demands of the professional environment, the HD 280 Pro boasts extremely robust construction combined with the sound quality, modular design and aggressive noise isolation that is necessary in the field. The unique collapsible design, combined with swiveling ear cups, offers maximum flexibility in any application. Includes: 1/4 inch adapter Features High ambient noise attenuation Accurate, linear sound reproduction Soft earpads for a comfortable fit Folding and rotating earcups for space-saving transport Tough, single-sided cable Specs Color black Wearing style Headband Frequency response (Headphones) 8 - 25000 Hz Sound pressure level (SPL) 113 dB THD, total harmonic distortion 0,1 % Contact pressure 6 N Ear coupling circumaural Jack plug 3,5 / 6,3 mm stereo Connection cable Coiled Cable (min. 1.3m / max. 3m) Transducer principle dynamic, closed Weight w/o cable: 285 g Nominal impedance 64 Ω Load rating 500 mW
