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Closed studio headphone, equalized to meet diffuse field EQ requirements Innovative bass-reflex-system Robust spring steel headband Single-sided cable Soft headpad Gold plated stereo mini jack (3.5 mm) and 1/4" adapter (6.35 mm) Applications: The DT 770 PRO is a closed dynamic headphone and was designed for critical music and sound monitoring in an open environment. The transducers are fitted to adjustable yokes which should be positioned to fully enclose the ear. This will provide the optimum ear/speaker position for accurate sound monitoring. The coiled cord can be extended to a maximum of 3 m and is terminated with a high-quality gold plated mini-jack and a 1/4" stereo jack adapter. Technical Specifications: Transducer type Dynamic Operating principle Closed Frequency response 5 - 35,000 Hz Nominal impedance acc. to IEC 60268-7 250 ? /System Nominal SPL acc. to IEC 60268-7 96 dB Nominal THD acc. to IEC 60268-7 0,2% Power handling capacity acc. to IEC 60268-7 100 mW Sound coupling to the ear Circumaural Ambient noise isolation 18 dB (A) Average pressure on ear acc. to IEC 60268-7 3.5 N Weight without cable 270 g 
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