{"product_id":"sennheiser-hd-558-hd558-open-high-end-audiophile-headphones","title":"Sennheiser HD 558 (HD558) Open High End Audiophile Headphones","description":"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.\u003cbr\u003e\u003cbr\u003eFeatures :\u003cbr\u003e\u003cbr\u003eHigh-end open circumaural headphones with E.A.R. technology for outstanding bass and vocal projection \u003cbr\u003eSennheiser's innovative “Eargonomic Acoustic Refinement” (E.A.R.) design channels audio signals directly into your ears \u003cbr\u003eState-of-the-art, advanced Duofol diaphragms for transparency and minimal distortion \u003cbr\u003eHighly optimised, field-strengthened neodymium ferrous magnet systems for an excellent dynamic response \u003cbr\u003eSurround reflector for extended spatial sound field \u003cbr\u003eLightweight aluminium voice coils for high efficiency and excellent dynamics \u003cbr\u003eElegantly layered honeycomb finish on ear cup casings \u003cbr\u003eExtremely comfortable velour ear pads and headband \u003cbr\u003eExcellent connectivity, also with home Hifi equipment \u003cbr\u003e2-year warranty \u003cbr\u003eIncludes: 1 x HD 558, 1 x 3.5 mm adapter \u003cbr\u003e\u003cbr\u003eTechnical Data:\u003cbr\u003e\u003cbr\u003eTransducer principle: Dynamic, open \u003cbr\u003eEar coupling: Circumaural \u003cbr\u003eFrequency response: 15 – 28000 Hz \u003cbr\u003eTHD, total harmonic distortion: \u0026lt; 0.2 % (1 kHz\/100 dB SPL) \u003cbr\u003eSound pressure level (SPL): 112 dB \u003cbr\u003eImpedance: 50 O \u003cbr\u003eCable length: 3 m OFC single -sided, exchangeable \u003cbr\u003eJack plug: 6.3 mm \u003cbr\u003eWeight: 260 g \u003cbr\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":57409018822988,"sku":"SENNHEISERHD558","price":133.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6891\/2204\/files\/hd558.jpg?v=1777476831","url":"https:\/\/www.stoneaudio.co.uk\/products\/sennheiser-hd-558-hd558-open-high-end-audiophile-headphones","provider":"Stone Audio","version":"1.0","type":"link"}