Sennheiser    
HD 518 - Over Ear Headphone    
Featuring ground-breaking audio technology and an open circumaural design, these headphones provide a rich audio experience. What's more, the grille design commands attention.    
    
    
Overview    
"The HD 518 open, circumaural headphones prove that quality and affordability can go hand in hand.
 They are fitted with Sennheiser’s innovative E.A.R. technology to ensure accurate channeling of audio signals into your ears while their sophisticated Duofol diaphragms reduce unwanted resonances to an absolute minimum.
 To amplify your listening pleasure even further, their generously padded earpads and headband cushion provide outstanding wearing comfort, even for long listening sessions."    
    
    
Features    
"High-end open circumaural headphones with E.A.R. technology for excellent sound reproduction with deep rich bass
 Sennheiser's innovative ""Eargonomic Acoustic Refinement"" (E.A.R.) design channels audio signals directly into your ears
 State-of-the-art, advanced Duofol diaphragms for transparency and minimal distortion
 Highly optimised, field-strengthened neodymium ferrous magnet systems for an excellent dynamic response
 Lightweight aluminium voice coils for high efficiency and excellent dynamics
 Soft, crackle-free ear pads and headband cushion provide outstanding listening comfort
 Distinctive grille-like ear cup casing design
 Excellent connectivity, also with home Hifi equipment
 2-year warranty"    
    
    
What's in the box?    
"1 HD 518
 1 3.5 mm adapter"    
    
    
    
Technical Data    
Wearing style    Headband 
Color    titan 
Impedance    50 Ω 
Frequency response    14 - 26000 Hz
Sound pressure level (SPL)    108 dB (1 kHz/1 Vrms) 
THD, total harmonic distortion    < 0,2 % (1 kHz/100 dB SPL) 
Jack plug    6.3 mm 
Weight    255 g