{"product_id":"fiio-ft15","title":"FiiO FT15 101mm Planar Magnetic Open-Back Headphones","description":"\u003ch2\u003eFiiO FT15 101mm Planar Magnetic Open-Back Headphones\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eLarge-scale planar sound, refined for serious listening.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe FiiO FT15 is a full-sized open-back planar magnetic headphone built around a massive 101mm driver and FiiO's fourth-generation self-developed planar technology. With an ultra-thin 800nm diaphragm, patented diamond coating, chip-level voice-coil manufacturing, and a lightweight carbon-fiber headband, the FT15 delivers a spacious, detailed presentation without demanding a massive amplifier.\u003c\/p\u003e\n\u003cp\u003eIts North American FAS-grade solid black walnut earcups add a distinctive natural finish, while the included cryo-treated 6N OCC cable and multiple adapters make it easy to connect the FT15 to desktop and portable audio equipment.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive 101mm planar magnetic driver\u003c\/strong\u003e — A 6,443.5mm² effective vibration area creates a broad, speaker-like presentation with deep low-frequency extension and strong control over complex music.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-thin 800nm diaphragm\u003c\/strong\u003e — The extremely thin diaphragm is designed for fast transient response, fine micro-detail retrieval, and natural musical separation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented diamond-coated diaphragm\u003c\/strong\u003e — The coating improves rigidity and helps suppress high-frequency split vibrations for a clean, transparent treble response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28nm chip-level voice-coil manufacturing\u003c\/strong\u003e — The advanced vacuum electroplating process provides consistent voice-coil adhesion and structural stability for coherent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented uniform isodynamic magnetic field design\u003c\/strong\u003e — The dual-sided asymmetrical magnetic circuit supports accurate driver control and a balanced, dynamic sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-to-drive performance\u003c\/strong\u003e — With 24Ω impedance and 95dB\/mW sensitivity, the FT15 can perform well from quality portable DAC\/amps as well as dedicated desktop systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNorth American FAS-grade solid black walnut earcups\u003c\/strong\u003e — Each earcup has a natural wood grain and a premium character that makes every pair distinctive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight carbon-fiber headband\u003c\/strong\u003e — The 425g chassis is carefully optimized for extended listening comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium cryo-treated 6N OCC cable\u003c\/strong\u003e — The included cable uses high-purity single-crystal copper treated with liquid nitrogen and terminates in a 4.4mm balanced plug.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo earpad options\u003c\/strong\u003e — Includes suede and protein-leather earpads so you can fine-tune the comfort and feel of your listening setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver type\u003c\/th\u003e\n\u003ctd\u003eOpen-back planar magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDriver size\u003c\/th\u003e\n\u003ctd\u003e101mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiaphragm\u003c\/th\u003e\n\u003ctd\u003e800nm ultra-thin diaphragm with diamond coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eImpedance\u003c\/th\u003e\n\u003ctd\u003e24Ω at 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e95dB\/mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e7Hz–40kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeadphone connectors\u003c\/th\u003e\n\u003ctd\u003eDual 3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded cable\u003c\/th\u003e\n\u003ctd\u003e6N liquid-nitrogen-treated OCC copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard termination\u003c\/th\u003e\n\u003ctd\u003e4.4mm balanced plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdapters included\u003c\/th\u003e\n\u003ctd\u003e6.35mm adapter and 4-pin XLR adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeadphone weight\u003c\/th\u003e\n\u003ctd\u003e425g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEarcup material\u003c\/th\u003e\n\u003ctd\u003eNorth American FAS-grade solid black walnut wood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFiiO FT15 planar magnetic headphones\u003c\/li\u003e\n\u003cli\u003e6N OCC liquid-nitrogen-treated cable with 4.4mm balanced termination\u003c\/li\u003e\n\u003cli\u003e6.35mm adapter\u003c\/li\u003e\n\u003cli\u003e4-pin XLR adapter\u003c\/li\u003e\n\u003cli\u003eSuede earpads\u003c\/li\u003e\n\u003cli\u003eProtein-leather earpads\u003c\/li\u003e\n\u003cli\u003eCustom-developed Yaoli linen headphone storage case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eListening Notes\u003c\/h2\u003e\n\u003cp\u003eThe FT15 uses an open-back architecture, which helps create a more spacious soundstage but allows sound to pass in and out of the earcups. It is best suited to quiet listening environments. Although it benefits from a clean, capable source, its high sensitivity and low impedance make it easier to drive than many full-sized planar headphones.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/f4bbf6d65bc010757c0c0828ced3232c.jpg?v=1789712818\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/076d92eb02c000fbae97a12aee05925f.jpg?v=1789712823\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/d027654222347a43b97f24a4cfa7b704.jpg?v=1789712835\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/aa1c366af1d60eeae17c65f003c4e4a6.jpg?v=1789712850\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/13283e9100e61ecdde46b68c64353d5c.jpg?v=1789712863\" alt=\"\"\u003e\u003c\/p\u003e","brand":"FiiO","offers":[{"title":"Balck","offer_id":50798313210095,"sku":"1005009947332988-Purpleheart Balck","price":490.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/360_20260918142308177.jpg?v=1789712679","url":"https:\/\/thehificat.com\/products\/fiio-ft15","provider":"The HiFi Cat","version":"1.0","type":"link"}