Sennheiser HD 280 PRO: Closed dynamic stereo headphones designed for monitoring. They have a linear sound reproduction, are foldable and have rotating earcups, have suppression of ambient noise up to 32 db, neodymium magnets, single-sided twisted cable and solid construction with replaceable parts. They have an impedance of 64 ohms, frequency response 8-25000 Hz and sensitivity of 102 db SPL. Connection with a 3.5 stereo jack connector or reduction to 6.3 mm stereo jack connector. Weight: 220 g. Color: Black.