{"product_id":"fosi-audio-i5-open-back-planar-magnetic-headphones","title":"Fosi Audio i5 Open-Back Planar Magnetic Headphones","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eActive Noise-Cancellation\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eFosi Audio\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCategory\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEarphones \u0026amp; Headphones\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCharging Method\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCable\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCodecs\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCommunication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWired\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eConnectors\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.5 MM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eControl Button\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDriver Diameter\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e97mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eEarcups Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOpen-back\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFrequency Response Range\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e10Hz – 500kHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFunction\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMonitor Headphone, Gaming, HiFi, DJ, Office\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHeadphone Pads Material\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMemory Foam\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eImpedance Range\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e28Ω\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIs Wireless\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eLine Length\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1.5m\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMagnet Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNeodymium (44 × N50)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMetal, Leather, Plastic, Silicone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMax Output\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e500mW\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eNumber Of Drivers\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2 (Planar Magnetic)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage List\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUser Manual, 3.5mm Jack Adapter\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSensitivity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e98 dB\/mW @ 1kHz\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSound Isolating\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eStyle\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWired Headphone \u0026amp; Headset\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eVocalism Principle\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOrthodynamic \/ Planar Magnetic\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eWeight\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e550g\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000000920131\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style='background-color:rgb(252, 220, 0);font-size:26px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eClick the poster below for fast shipping from our overseas warehouse.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg width=\"944\" height=\"393\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2c419e9440754b88a0728160bfbbf807E.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv class=\"detailmodule_media\"\u003e\u003cdiv class=\"video-container-5000275940099\"\u003e\u003cdiv class=\"detail-video\" id=\"5000275940099\" data-previewurl=\"https:\/\/ae01.alicdn.com\/kf\/S6275bedab6e942f8933318acece70fd5D.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003ch2\u003eFosi Audio i5 — Where Precision Meets Pure Sound\u003c\/h2\u003e\n\n\u003cp\u003eStep into a world of audiophile-grade listening with the Fosi Audio i5 Open-Back Planar Magnetic Headphones. Engineered for those who demand more from their music, the i5 delivers an expansive, holographic soundstage that places you at the heart of every performance. Whether you're mixing in the studio, gaming late into the night, or simply losing yourself in your favourite album, the i5 transforms every listening session into an immersive sonic journey.\u003c\/p\u003e\n\n\u003cp\u003eCrafted with meticulous attention to detail, the i5 pairs a handcrafted walnut wood chamber with a CNC-milled aluminium frame and genuine sheepskin headband — a marriage of natural warmth and industrial precision. The breathable memory foam earpads and multi-axis pivoting earcups conform effortlessly to your head, ensuring hours of fatigue-free comfort. This is a headphone built not just to be heard, but to be worn and cherished.\u003c\/p\u003e\n\n\u003cp\u003eAt its core, the i5 houses a 97mm nano-thin planar magnetic driver — one of the largest in its class — delivering resolution and clarity that reveals the finest musical details. Backed by 44 N50 neodymium magnets and an acoustically transparent open-back grille, the i5 achieves a studio-grade soundstage with breathtaking accuracy and depth.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e97mm Ultra-Large Planar Magnetic Driver\u003c\/strong\u003e — 2μm nano-thin diaphragm with sputtered silver alloy coating for exceptional clarity and long-term sonic consistency\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansive Soundstage\u003c\/strong\u003e — Open-back acoustically transparent grille minimises resonance for a wide, holographic listening experience\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e44 × N50 Neodymium Magnets\u003c\/strong\u003e — Ensures fast transient response and studio-grade accuracy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eErgonomic Comfort Design\u003c\/strong\u003e — Memory metal headband, multi-axis pivoting earcups, silicone micro-adjustment sliders, and breathable memory foam earpads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefined Craftsmanship\u003c\/strong\u003e — Handcrafted walnut wood chambers, CNC-milled aluminium frame, genuine sheepskin headband with signature S-design accents\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response: 10Hz – 50kHz\u003c\/strong\u003e — Captures the full spectrum of sound from deep sub-bass to ultra-high frequencies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpedance: 28Ω | Sensitivity: 98 dB\/mW\u003c\/strong\u003e — Compatible with a wide range of amplifiers and DACs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Cable Options\u003c\/strong\u003e — Available with 3.5mm standard or 4.4mm balanced cable for superior stereo separation and noise rejection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight: 550g\u003c\/strong\u003e — Substantial yet balanced build quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eModel Name： i5\u003cbr\u003eDevice Type：Full-size Open-back Wired Headphones\u003cbr\u003eTransducer Type：Planar Magnetic Drivers\u003cbr\u003eMaximum Sound Pressure Level：\u0026gt;120 dB SPL\u003cbr\u003eFrequency Response：10Hz – 50kHz\u003cbr\u003eTHD：\u0026lt; 1% @ 100 dB SPL\u003cbr\u003eSensitivity：98dB\/mW @ 1kHz\u003cbr\u003eImpedance：28Ω\u003cbr\u003eRecommended Power：\u0026gt; 250mW\u003cbr\u003eMinimum Recommended Power：\u0026gt; 100mW\u003cbr\u003eWeight: 550g\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size:22px\"\u003eQ\u0026amp;A\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003cstrong\u003eQ1: Are the i5 headphones currently being sold the old version or the new version?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eAll i5 headphones currently available for sale are the new version. The new i5 features a sealing ring, which optimises the low-frequency response.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ2: What precautions should be taken when using i5 headphones?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eA. Avoid compressing the ear pads hard.\u003c\/div\u003e\n\u003cdiv\u003eB. Do not press or poke the interior of the ear pads with fingers to prevent damage to the planar driver.\u003c\/div\u003e\n\u003cdiv\u003eC. Do not wear metal earrings or similar items while using the i5, as it contains magnets.\u003c\/div\u003e\n\u003cdiv\u003eD. Do not use speaker amplifiers to drive the i5.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eQ3: What are the advantages of the 4.4mm jack compared to the 3.5mm jack?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e4.4mm = balanced, more power, better stereo separation, less noise, sturdier plug.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e3.5mm = unbalanced (single-ended), more universal, but limited in power and noise rejection.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sac694c09885946929e81d6a0b7f92442V.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S5558c79820704533b55c6176e025456fe.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf1563f8f7e734383a2a18f28e8d552c5E.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7fa88a8f6fb94322a4b3d13a55690005N.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S22b044ad3fbd4dd78adc1975d4142349k.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sc3a0d70d28394ff986a1d6f7dc7c1442x.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S240d87876c964c619d5506945b3d3c580.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3e6818507b584b68819e6b98825f1004D.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7f0cd85522fe40b6bd6410a05f4587c5X.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S14ae827411434df59a959d8d792c54d9a.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S539671fca4a94c02affbab8c82c2c6d0m.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6de37eacff7c4451ba1dce76adf38151v.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb4d439a6e6f94983b6ac2e7d994b1396U.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S42c5225a71814d1199d879e5c9e3a08af.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sbce4a3dbfa574e5cadbbb63d0f6f4a09n.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3eeb4b5b22ea4720bdb61448d8a520fbp.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S68d4632b551749b8899eccb889f9e286N.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7870f0756d5a4d879bffcb0d97635250F.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0c33eb1afcd348f58eb66ac8bf02286ao.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sdbfd6dbea2414563bf0f9070fd2db24ck.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000024963203\" type=\"custom\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"TheFashionFever","offers":[{"title":"I5 Deluxe Edition \/ China Mainland","offer_id":52299562123581,"sku":"14:193#I5 Deluxe Edition;200007763:201336100","price":1219.2,"currency_code":"USD","in_stock":true},{"title":"I5 With bag \/ China Mainland","offer_id":52299562156349,"sku":"14:29#I5 With bag;200007763:201336100","price":1179.98,"currency_code":"USD","in_stock":true},{"title":"4.4MM Standard cable \/ China Mainland","offer_id":52299562189117,"sku":"14:691#4.4MM Standard cable;200007763:201336100","price":1199.98,"currency_code":"USD","in_stock":true},{"title":"4.4mm Graphene cable \/ China Mainland","offer_id":52299562221885,"sku":"14:1052#4.4mm Graphene cable;200007763:201336100","price":1259.98,"currency_code":"USD","in_stock":true},{"title":"I5 and ZH3 \/ China Mainland","offer_id":52299562254653,"sku":"14:350850#I5 and ZH3;200007763:201336100","price":1499.2,"currency_code":"USD","in_stock":true},{"title":"I5 Standard \/ China Mainland","offer_id":52299562287421,"sku":"14:350853#I5 Standard;200007763:201336100","price":1179.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/5454\/0605\/files\/Se39d22b41f5b4735b21890d36ce52598e.webp?v=1785076719","url":"https:\/\/www.thefashionfever.com\/products\/fosi-audio-i5-open-back-planar-magnetic-headphones","provider":"TheFashionFever","version":"1.0","type":"link"}