{"product_id":"fosi-audio-i5-open-back-planar-magnetic-headphones-open-box","title":"Fosi Audio i5 Open-Back Planar Magnetic Headphones (Open Box)","description":"\u003ch2\u003eHiFi Headphones for Passionate Audiophiles\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e97mm Diaphragm\u003c\/li\u003e\n\u003cli\u003eWalnut Wood\u003c\/li\u003e\n\u003cli\u003eMagnetic Array\u003c\/li\u003e\n\u003cli\u003eAluminum Frame\u003c\/li\u003e\n\u003cli\u003eSputtered Coating\u003c\/li\u003e\n\u003cli\u003eDetachable Cables\u003c\/li\u003e\n\u003cli\u003eGenuine Suede\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eImmersive Listening\u003c\/strong\u003e \u003cstrong\u003ePure Original Sound\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eCrafted with an ultra-thin diaphragm using nano-level technology, an invisible high-powered magnetic system, and precision acoustic design, the i5 delivers high resolution and low distortion for a truly lifelike listening experience.\u003c\/p\u003e\n\u003ch3\u003e97mm Ultra-Large Diaphragm\u003c\/h3\u003e\n\u003cp\u003eThe ultra-thin diaphragm, crafted with nano-level precision, delivers faster response, enhanced detail, and a more natural, clear, and layered sound.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"i5's Diaphragm\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/gempages_477252102637224875-47c9ca79-0a50-4450-a2b6-711655950602.jpg?v=1755286751\"\u003e\u003c\/p\u003e\n\u003ch3\u003eSputtered Coating Technology\u003c\/h3\u003e\n\u003cp\u003eUtilizing advanced targeted sputtering technology, a highly conductive silver metal voice coil as thin as 1.3μm is precisely coated onto the diaphragm. This process significantly enhances sound refinement while ensuring durability, keeping excellent audio performance consistently stable over time.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"i5's Sputtered Coating\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/gempages_477252102637224875-2db2efdd-814b-44b2-a158-96af9e804cf5.jpg?v=1755286873\"\u003e\u003c\/p\u003e\n\u003ch3\u003eSymmetrically Arranged High-Strength Magnetic Matrix\u003c\/h3\u003e\n\u003cp\u003eEach driver unit features 22 pieces of N50-grade neodymium magnets arranged symmetrically, ensuring precise and stable diaphragm vibration. This design enables accurate and swift dynamic response, effectively reducing nonlinear distortion to produce purer, more natural sound, faithfully reproducing the essence of music.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Magnetic Array\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/gempages_477252102637224875-61fe5c00-ad26-48c4-b823-6b87b07a7bee.jpg?v=1755286962\"\u003e\u003c\/p\u003e\n\u003ch3\u003eRigid High-Transparency Acoustic Mesh\u003c\/h3\u003e\n\u003cp\u003eThe high-transparency rigid rear mesh structure provides stable air pressure damping and linear feedback. It smooths out frequency spikes and reduces nonlinearity, achieving an open, airy soundstage with ultra-low acoustic resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Acoustic Mesh\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/gempages_477252102637224875-097342e0-67bc-4141-9406-015a168f3fe7.jpg?v=1755287032\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eErgonomic Design\u003c\/strong\u003e \u003cstrong\u003eLong-Lasting Comfort\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eDesigned to follow the natural contours of the head, the i5 ensures a secure yet gentle fit. Even during extended listening sessions, it remains comfortable and pressure-free, letting you enjoy your music without distraction.\u003c\/p\u003e\n\u003ch3\u003eDual-Axis Ear Cup Arms\u003c\/h3\u003e\n\u003cp\u003eAllows seamless vertical and horizontal rotation for a custom fit to different head shapes, enhancing both comfort and stability.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"gempages_477252102637224875-d1679a78-5451-48c8-a18d-ef3d07f2af9b\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/gempages_477252102637224875-d1679a78-5451-48c8-a18d-ef3d07f2af9b.jpg?v=1755287189\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStepless Silicone Adjustment\u003c\/h3\u003e\n\u003cp\u003eThe headband features a silicone adjustment slider with a damped, smooth feel, enabling easy and precise positioning based on personal preference.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"gempages_477252102637224875-7618d036-a76a-4bb2-844a-1d10418956a4\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/gempages_477252102637224875-7618d036-a76a-4bb2-844a-1d10418956a4.jpg?v=1755287249\"\u003e\u003c\/p\u003e\n\u003ch3\u003eDurable Memory Metal Headband\u003c\/h3\u003e\n\u003cp\u003eMade of high-strength memory metal, the headband maintains its shape over time. Lightweight and flexible, it reduces pressure and enhances comfort.\u003c\/p\u003e\n\u003ch3\u003eBreathable Skin-Friendly Earpads\u003c\/h3\u003e\n\u003cp\u003eCrafted with perforated leather and breathable fabric, the earpads stay cool and soft. Memory foam inside ensures all-day comfort without overheating.\u003c\/p\u003e\n\u003ch3\u003eRefined Craftsmanship, Where Aesthetics Meet Quality\u003c\/h3\u003e\n\u003cp\u003eA refined fusion of premium materials and elegant design, delivering a look that exudes sophistication, texture, and distinctive character.\u003c\/p\u003e\n\u003ch3\u003eGenuine Suede Leather Headband\u003c\/h3\u003e\n\u003cp\u003eSoft and refined for a more comfortable fi\u003c\/p\u003e\n\u003ch3\u003eLuxurious Walnut Wood Frame\u003c\/h3\u003e\n\u003cp\u003eEach pair features a unique natural grain.\u003c\/p\u003e\n\u003ch3\u003eCNC-Machined Aluminum Frame\u003c\/h3\u003e\n\u003cp\u003eLightweight yet sturdy with a metallic finish\u003c\/p\u003e\n\u003ch3\u003eS-Shaped Decorative Accent\u003c\/h3\u003e\n\u003cp\u003eElegant and flowing, inspired by musical notes\u003c\/p\u003e\n\u003ch3\u003eDetachable Cable Design\u003c\/h3\u003e\n\u003cp\u003eThe i5 features a detachable cable design with standard 3.5mm connectors on both sides, and is compatible with our available 3.5mm and 4.4mm headphone cables.\u003c\/p\u003e\n\u003ch2\u003eWhat‘s in the box？\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ei5 Headphone\u003c\/li\u003e\n\u003cli\u003e6.35mm Adaptor\u003c\/li\u003e\n\u003cli\u003e3.5mm Cable\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Type\u003c\/td\u003e\n\u003ctd\u003eOpen-Back Wired Headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Type\u003c\/td\u003e\n\u003ctd\u003ePlanar Magnetic Drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Sound Pressure Level\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;120 dBSPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e10Hz - 50kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1% @100 dBSPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e98dB\/mW @ 1kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Impedance\u003c\/td\u003e\n\u003ctd\u003e28Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Power\u003c\/td\u003e\n\u003ctd\u003e≥ 500mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Recommended Power\u003c\/td\u003e\n\u003ctd\u003e100mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e550g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fosi Audio","offers":[{"title":"Default Title","offer_id":51887575171305,"sku":"i5 (OB)","price":467.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/fosi-audio-0-i5-thumb.png?v=1755288316","url":"https:\/\/audio46.com\/pt\/products\/fosi-audio-i5-open-back-planar-magnetic-headphones-open-box","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}