{"product_id":"headphones-mic-stereo-over-ear-hd-400s-refurbished","title":"HD 400S Refurbished","description":"The HD 400S features a one-button smart remote conveniently located on the cable, which allows you to control music and take calls with ease, and the sturdy folding design makes these headphones durable and compact enough to be taken anywhere. Sennheiser dynamic drivers deliver a well-extended sound response with dynamic bass.   \u003cbr\u003e\u003cbr\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e18 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response (Microphone)\u003c\/td\u003e\n\u003ctd\u003e100 – 10,000 Hz (-10 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response (Headphones)\u003c\/td\u003e\n\u003ctd\u003e18–20,000 Hz (-10 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound pressure level (SPL)\u003c\/td\u003e\n\u003ctd\u003e120dB (1kHz\/1Vrms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD, total harmonic distortion\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5% (1kHz\/100dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEar coupling\u003c\/td\u003e\n\u003ctd\u003eOver-Ear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJack plug\u003c\/td\u003e\n\u003ctd\u003e3.5mm angled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable length\u003c\/td\u003e\n\u003ctd\u003e1.4m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer principle\u003c\/td\u003e\n\u003ctd\u003eDynamic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e217g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePick-up pattern\u003c\/td\u003e\n\u003ctd\u003eOmni directional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrophone sensitivity\u003c\/td\u003e\n\u003ctd\u003e-44dbV\/Pa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcoustics\u003c\/td\u003e\n\u003ctd\u003eClosed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e120 dB SPL @ 1 kHz, 1V RMS\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e ","brand":"Sennheiser-EMEA","offers":[{"title":"Default Title","offer_id":39581069344962,"sku":"B508598","price":39.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/9636\/8578\/products\/product_detail_x2_desktop_Sennheiser-Product-HD-400S-Black-Product-Image-1_0cd0645b-a2a3-407f-abe4-6f07ad4e4036.jpg?v=1747659759","url":"https:\/\/eu.sennheiser-hearing.com\/en-pt\/products\/headphones-mic-stereo-over-ear-hd-400s-refurbished","provider":"Sonova Consumer Hearing GmbH","version":"1.0","type":"link"}