Sennheiser    
Professional monitoring Headphone    
HD380 Pro    
    
These professional monitoring headphones deliver accurate sound reproduction and a sound pressure level of up to 110 dB. The closed, circumaural design provides up to 32 dB ambient noise attentuation.     
    
    
Overview    
"The HD 380 Pro professional monitoring headphone is designed to exceed the demands of the professional environment. The HD 380 Pro provides an extended frequency response with increased sound pressure level (up to 110 dB) for accurate sound reproduction in demanding applications. Not only that, but the lightweight, secure and rugged design offers a comfortable listening experience for long recording sessions.
 Accessories include a detachable, 3.2-foot coiled cable (extendable up to 9.8 ft.), a carrying case, and a screw-type 1/4"" (6.3 mm) jack adapter."    
    
    
Features    
"Closed, circumaural design for excellent passive attenuation of ambient noise (up to 32 dB)
 Exceptionally lightweight and comfortable for extended listening
 Replaceable single-sided, coiled cable with 1/8 inch (3.5mm) jack connector and screw type 1/4"" adapter
 Reduced comb filter effects and distortion due to E.A.R. (Ergonomic Acoustic Refinement) and Duofol diaphragms
 Includes slimline carrying case
 Built-tough with a 2 YEAR warranty!
 Compatible (listen only) with latest generation of tablets
 Replaceable earpads (part # 523310)"    
    
    
What's in the box?    
"1 HD 380 pro
 1 replaceable single sided, coiled cable with a 3.5mm jack connector
 1 screw-type 1/4"" adapter
 1 carrying case"    
    
    
    
    
Technical Data    
Impedance    54 Ω 
Connector    3.5 mm Jack, straight
Frequency response    8 - 27000 Hz 
Max. sound pressure level    110 dB (1 kHz, 1 Vrms)
THD, total harmonic distortion    < 0,1% (1 kHz, 100dB SPL) 
Ear coupling    circum-aural 
Cable length    1 m coiled, extendable up to 3m 
Transducer principle    dynamic, closed
Power supply    500 mW 
Weight w/o cable    220 g