Product Description From the Manufacturer Not only are the HD 598 aesthetically pleasing to the eyes but they also provide an impeccable sound quality and unrivalled comfort. These beige-coloured open, circumaural headphones come with high-gloss burl wood parts and matching ear pads for a sophisiticated, premium finish. With Sennheiser's innovative E.A.R. technology, audio signals are directly channelled into your ears. These headphones also incorporate a special diaphragm geometry that minimizes intermodulation distortion while delivering an impressive frequency response range, plus a highly constant compressed cellulose fleece to hold harmonic distortion to less than 0.1%. And to accentuate the already outstanding listening experience even further, their high-quality leatherette headband and velour ear pads provide outstanding wearing comfort, even for long listening sessions. Impeccable sound quality and unrivalled comfort High-end headphones use E.A.R. technology for outstanding sonic accuracy and clarityEargonomic Acoustic Refinement (E.A.R.) for High Performance These high-end open circumaural headphones use E.A.R. technology for outstanding sonic accuracy and clarity. Sennheiser's innovative "Eargonomic Acoustic Refinement" (E.A.R.) design channels audio signals directly into your ears. State-of-the-art, advanced Duofol diaphragms deliver transparency and minimal distortion, while highly optimised, field-strengthened neodymium ferrous magnet systems yield an excellent dynamic response. A surround reflector creates an extended spatial sound field for the lightweight aluminium voice coils chosen for high efficiency and excellent dynamics. The special diaphragm geometry reduces intermodulation distortion, while highly constant, compressed cellulose fleece reduces total harmonic distortion. About Sennheiser For more than 60 years the name Sennheiser has stood for the highest quality products and customised solutions across all areas of sound recording, transmission and reproduction. As one of the world's leading providers of integrated solutions for electro-acoustic products, systems and services, Sennheiser constantly meets the challenges of developing creative answers which satisfy the requests and requirements of customers. What's in the Box? Sennheiser HD 598 Audiophile Headphones, 3.5mm plug adapter, warranty. Technical Specifications Transducer type: Dynamic, open Headphone type: Circumaural Frequency response: 12 - 38,500 Hz Total harmonic distortion: < 0.1% (1 kHz/100 dB SPL) Sound pressure level (SPL): 112 dB Impedance: 50 Ohms Cable length: 3m Jack plug: 6.3mm Weight: 270g Product Description Not only are the HD 598 aesthetically pleasing to the eyes but they also provide an impeccable sound quality and unrivalled comfort. These beige-coloured open, circumaural headphones come with high-gloss burl wood parts and matching ear pads for a sophisiticated, premium finish. With Sennheiser‘s innovative E.A.R. technology, audio signals are directly channelled into your ears. These headphones also incorporate a special diaphragm geometry that minimizes intermodulation distortion while delivering an impressive frequency response range, plus a highly constant compressed cellulose fleece to hold harmonic distortion to less than 0.1%. And to accentuate the already outstanding listening experience even further, their high-quality leatherette headband and velour ear pads provide outstanding wearing comfort, even for long listening sessions.