DT 770 PRO Reference headphone for control and monitoring applications, closed, now also with Limiter (optional) Features Closed, diffuse-field studio headphone "Bass reflex" technology for improved bass response Comfortable fit due to rugged, adjustable, soft padded headband construction Robust, easy serviceable construction as all parts are replaceable Single-sided cable NEW - Limiter (Optional) Velour, circumaural ear pads Versions DT 770 PRO, 80 ohm DT 770 PRO LTD with Limiter, 80 ohm DT 770 PRO, 250 ohm DT 770 PRO LTD with Limiter, 250 ohm Technical Specifications Transducer type Dynamic Operating principle Closed Weight without cable 270 g Frequency response 5 - 35,000 Hz Nominal impedance acc. to IEC 60268-7 80 Ω 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 approx. 18 dB (A) Connection Gold plated stereo jack plug (3.5 mm) and 1/4" adapter (6.35 mm) Length and type of cable 3 m / straight cable Nominal headband pressure approx. 3.5 N