{"product_id":"hifiman-he400se-stealth-magnets-over-ear-open-back-full-size-planar-magnetic-wired-headphones-1","title":"HE400se Planar Magnetic Headphones – 20Hz-20kHz Frequency Response","description":"\u003ch2\u003eEliminate Audio Distortion\u003c\/h2\u003e\u003cp\u003eStandard dynamic drivers often fail to deliver the transient response needed for critical listening, resulting in muddied soundscapes. You deserve absolute clarity when reviewing your masters or enjoying high-fidelity tracks. Stop settling for veiled details that obscure your production or listening sessions.\u003c\/p\u003e\u003ch2\u003eThe HE400se Planar Magnetic Solution\u003c\/h2\u003e\u003cp\u003eThe HE400se introduces advanced planar magnetic technology to your desktop, utilizing a near-weightless diaphragm to achieve a lightning-fast transient response. With a frequency range of 20Hz-20kHz, these headphones ensure every microscopic detail in your audio is preserved without the distortion common in mass-market headsets. This open-back design creates an expansive soundstage that simulates the accuracy of a treated studio environment.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePlanar Magnetic Drivers - Near-zero distortion - Delivers unparalleled instrument separation and clarity.\u003c\/li\u003e\n\u003cli\u003eOpen-Back Design - Natural airflow - Reduces internal reflections for a wide, realistic soundstage.\u003c\/li\u003e\n\u003cli\u003eHigh Sensitivity - 91dB rating - Ensures excellent performance with standard amplifiers.\u003c\/li\u003e\n\u003cli\u003eLightweight Construction - Under 400g - Facilitates long-duration listening sessions without fatigue.\u003c\/li\u003e\n\u003cli\u003eErgonomic Earpads - Hybrid material - Increases comfort while providing passive noise isolation.\u003c\/li\u003e\n\u003cli\u003eHigh-Purity Cable - Oxygen-free copper - Minimizes signal loss during audio transmission.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConnectivity: 3.5mm TRS wired connection\u003c\/li\u003e\n\u003cli\u003eFrequency Range: 20Hz-20kHz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 91dB\u003c\/li\u003e\n\u003cli\u003eImpedance: 25 Ohms\u003c\/li\u003e\n\u003cli\u003eDriver Type: Planar Magnetic\u003c\/li\u003e\n\u003cli\u003eWeight: 390g\u003c\/li\u003e\n\u003cli\u003eCompatibility: iOS, Android, Windows, and macOS\u003c\/li\u003e\n\u003cli\u003eCertifications: CE, FCC, RoHS compliant\u003c\/li\u003e\n\u003cli\u003eColor: Matte Black\u003c\/li\u003e\n\u003cli\u003eBox Contents: Headphones, 3.5mm cable, 6.35mm adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho Is This For\u003c\/h2\u003e\u003cp\u003eThe HE400se is engineered for professional audio engineers, discerning audiophiles, and home studio producers seeking reference-grade sound. If you are a long-tail keyword researcher looking for the best planar magnetic headphones under 200 Euro, this unit provides the essential performance metrics required to elevate your monitoring chain.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Question\u003c\/h2\u003e\u003cp\u003e\u003cb\u003eDo planar magnetic headphones require a dedicated amplifier?\u003c\/b\u003e\u003cbr\u003eWhile the HE400se features a highly efficient 91dB sensitivity that allows it to work with most mobile devices, an external headphone amplifier is recommended to fully unlock the transient speed and depth of the planar magnetic drivers. A dedicated DAC\/Amp chain will ensure the optimal power delivery needed for peak high-fidelity performance.\u003c\/p\u003e\u003cp\u003eExperience the precision of studio-grade planar magnetic audio today before our current batch of Stealth and Non-Stealth versions is fully allocated.\u003c\/p\u003e","brand":"Tidesmit","offers":[{"title":"Stealth Version \/ Russian Federation","offer_id":57095680131417,"sku":"TDS-HDSET-00499-001","price":193.17,"currency_code":"EUR","in_stock":true},{"title":"Non Stealth Version \/ Russian Federation","offer_id":57095680164185,"sku":"TDS-HDSET-00499-002","price":115.65,"currency_code":"EUR","in_stock":true},{"title":"Stealth Version \/ China Mainland","offer_id":57095680196953,"sku":"TDS-HDSET-00499-003","price":193.17,"currency_code":"EUR","in_stock":true},{"title":"Non Stealth Version \/ China Mainland","offer_id":57095680229721,"sku":"TDS-HDSET-00499-004","price":115.65,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/7271\/6121\/files\/S51f889c3ec254521a7fe7c4cc0379bddI.webp?v=1768764104","url":"https:\/\/sdive0-cu.myshopify.com\/products\/hifiman-he400se-stealth-magnets-over-ear-open-back-full-size-planar-magnetic-wired-headphones-1","provider":"Tidesmit","version":"1.0","type":"link"}