The closed-back HD 25-1 II purpose-designed, expert monitoring earphones offer high attenuation of background noise. Capable of handling extremely high sound pressure levels and of exceptionally robust building, these earphones carry out exceptionally well in high-noise environments, e.g. ENG, sound reinforcement, studio monitoring and audio equipment screening. The capsule is rotatable for one-ear listening. Perfect keeping track of earphones for cameramen and DJs. Features: Specs: Really light-weight and comfortable, even if used for long periods High maximum sound pressure level 65. small impedance for universal compatibility Tough, removable steel cable television Neodymium ferrous magnet systems and light-weight aluminium/copper voice Cable length: Approx 5 ft. (1.5 m.) Contact pressure: Approx. 2.5 N Ear coupling: On-the-ear Frequency response (earphones): 16 - 22,000 Hz Jack plug: 3.5/ 6.3 mm stereo Load rating: 0.2 W Small impedance: 70 O Noise pressure level (SPL): 120 dB (SPL) Total harmonic distortion (THD): < 0.3 % Transducer concept: Dynamic, closed Weight w/o cable television: Approx.4.9 oz.(140 g).