{"product_id":"sennheiser-hd-400-pro","title":"Sennheiser HD 400 PRO","description":"\u003cdiv lang=\"en\"\u003e\n\u003cp\u003e\u003cstrong\u003eSennheiser HD 400 PRO\u003c\/strong\u003e – open-back studio reference headphones with 38 mm dynamic transducers, lightweight design, and angled drivers for low distortion. It provides neutral sound reproduction, flexible cabling, and high comfort for editing, mixing, and mastering. On board, there is a specialized polymer diaphragm, velour earpads, and extensive performance functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSennheiser HD 400 PRO\u003c\/strong\u003e is an environment for sound creation designed for professional use. It features circumaural over-ear design with accurate and spacious soundstage, suitable for studios and creators. Flexible I\/O with coiled and straight cables enables a wide range of configurations – including new ones for the Sennheiser ecosystem.\u003c\/p\u003e\n\u003cp\u003eSound is deeply integrated: 120 ohm impedance for precise audio, wide frequency response, low THD for clarity. Monitoring can be done in real-time – for automatic tuning of sources. The headphones offer German engineering, replaceable parts, and advanced audio options.\u003c\/p\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOpen-back design for natural sound reproduction\u003c\/li\u003e\n\u003cli\u003eLightweight 240 g for extended comfort\u003c\/li\u003e\n\u003cli\u003eAngled transducers for low distortion at high SPL\u003c\/li\u003e\n\u003cli\u003eSpacious and accurate soundstage\u003c\/li\u003e\n\u003cli\u003eIncludes 1.8 m coiled and 3 m straight cables\u003c\/li\u003e\n\u003cli\u003e3.5 mm jack with 6.3 mm adapter\u003c\/li\u003e\n\u003cli\u003eVelour earpads for breathability\u003c\/li\u003e\n\u003cli\u003eProfessional tool for editing, mixing, and mastering\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTransducer Principle: Dynamic, open\u003c\/li\u003e\n\u003cli\u003eEar Coupling: Circumaural\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 6 Hz – 38 kHz (-10 dB)\u003c\/li\u003e\n\u003cli\u003eImpedance: 120 Ω\u003c\/li\u003e\n\u003cli\u003eSound Pressure Level (SPL): 110 dB (1 kHz \/ 1 V RMS)\u003c\/li\u003e\n\u003cli\u003eTotal Harmonic Distortion (THD): \u0026lt; 0.05 % (1 kHz \/ 1 V RMS)\u003c\/li\u003e\n\u003cli\u003eTransducer Size: 38 mm\u003c\/li\u003e\n\u003cli\u003eConnection: Wired\u003c\/li\u003e\n\u003cli\u003eCable: Coiled 1.8 m with 3.5 mm jack, straight 3 m with 3.5 mm jack\u003c\/li\u003e\n\u003cli\u003eConnector: 3.5 mm jack plug with 6.3 mm adapter\u003c\/li\u003e\n\u003cli\u003eEar Pad Material: Velour\u003c\/li\u003e\n\u003cli\u003eWeight (without cable): 240 g\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -5 °C to +45 °C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature: -20 °C to +70 °C\u003c\/li\u003e\n\u003cli\u003eRelative Humidity: \u0026lt; 90%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":58445613990220,"sku":"47562","price":235.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/9854\/1644\/files\/SennheiserHD400PRO1.jpg?v=1786985802","url":"https:\/\/noiseroom.lt\/lt\/products\/sennheiser-hd-400-pro","provider":"Noise Room","version":"1.0","type":"link"}