Equipped with unique E.A.R. technology, the Sennheiser HD 598 headphones deliver peerless audio quality. The Ergonomic Acoustic Refinement (E.A.R.) design of these Sennheiser headphones ensures the sound travels straight into your ears for optimum performance. The Duofol diaphragms in this Sennheiser headset minimize the standing waves, responsible for delivering superior sound reproduction. The neodymium ferrous magnet systems in these Sennheiser headphones produce a powerful bass and extended treble. The large and soft velour ear pads of the Sennheiser HD 598 provide ultimate comfort for extended listening. The compressed cellulose fleece in this Sennheiser headset minimizes the distortion for crisp, clear sound and better fidelity. 

Technical Specifications 

Transducer principle: Dynamic, open 
Ear coupling: Circumaural 
Frequency response: 12 - 38500 Hz 
THD, total harmonic distortion: less than 0.1 % (1 kHz/100 dB SPL) 
Sound pressure level (SPL): 112 dB 
Impedance: 50 
Cable length: 3 m OFC single -sided, exchangeable 
Jack plug: 6.3 mm 
Weight: 270 g