Stereo_Electronics 0 Report post Posted November 26, 2010 Sennheiser HD 558 With their special internal Surround Reflector, the HD 558 open, circumaural headphones are able to generate an extended spatial sound field, making them ideal for listening to home cinema as well as music. They are also fitted with Sennheiser’s innovative E.A.R. technology which ensures accurate channeling of audio signals into your ears, as well as sophisticated Duofol diaphragms which reduce unwanted resonances to an absolute minimum. The HD 558 come with skin caressing velour ear pads and headband cushion which provide outstanding wearing comfort, even for long listening sessions. Features -High-end open circumaural headphones with E.A.R. technology for outstanding bass and vocal projection -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 -Surround reflector for extended spatial sound field -Lightweight aluminium voice coils for high efficiency and excellent dynamics -Elegantly layered honeycomb finish on ear cup casings -Extremely comfortable velour ear pads and headband -Excellent connectivity, also with home Hifi equipment -2-year warranty Specs Transducer principle - Dynamic, open Ear coupling - Circumaural Frequency response - 15 – 28000 Hz THD, total harmonic distortion - < 0.2 % (1 kHz/100 dB SPL) Sound pressure level (SPL) - 112 dB Impedance - 50 Ω Cable length - 3 m OFC single -sided, exchangeable Jack plug - 6.3 mm Weight - 260 g Share this post Link to post Share on other sites
