{"product_id":"fosi-audio-im4","title":"Fosi Audio IM4 Open-Back In-Ear Monitor","description":"\u003ch3\u003e\u003cspan\u003eA new exploration designed for long-lasting comfort in sound and fit.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower sound with 10mm driver\u003c\/li\u003e\n\u003cli\u003eBoost dynamics via N52 magnets\u003c\/li\u003e\n\u003cli\u003eExpand space with open-back design\u003c\/li\u003e\n\u003cli\u003ePerfect Pairing with\u003cspan\u003e\u0026nbsp;\u003cstrong\u003eDS3 Mini Audio DAC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cvideo playsinline=\"true\" autoplay=\"autoplay\" loop=\"loop\" preload=\"metadata\" poster=\"\/\/fosiaudio.com\/cdn\/shop\/files\/preview_images\/659b2e8b799f4694a78bccc68ea86dd0.thumbnail.0000000000_800x.jpg?v=1763015948\"\u003e\u003csource src=\"https:\/\/fosiaudio.com\/cdn\/shop\/videos\/c\/vp\/659b2e8b799f4694a78bccc68ea86dd0\/659b2e8b799f4694a78bccc68ea86dd0.HD-1080p-7.2Mbps-62566434.mp4?v=0\" type=\"video\/mp4\"\u003e\u003cimg src=\"https:\/\/fosiaudio.com\/cdn\/shop\/files\/preview_images\/659b2e8b799f4694a78bccc68ea86dd0.thumbnail.0000000000_800x.jpg?v=1763015948\"\u003e\u003c\/video\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_1.jpg?v=1776049375\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"High-Performance\" class=\"word\"\u003eHigh-Performance\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Dynamic\" class=\"word\"\u003eDynamic\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Unit\" class=\"word\"\u003eUnit\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eEngineered with an optimized dynamic driver and acoustic tuning for detailed sound (THD\u0026lt;1%)\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eDual-Magnet Dual-Cavity\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4.jpg?v=1776049406\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Rich\" class=\"word\"\u003eRich\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Sound\" class=\"word\"\u003eSound\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Details\" class=\"word\"\u003eDetails\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eA 10mm Be-PU driver for dense mid-Lows, brilliant highs, and a wide, detailed soundstage.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eBe-PU Diaphragm\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_9.jpg?v=1776049427\" alt=\"香港代理 Fosi Audio IM4 入耳式耳機\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan class=\"word\" data-word=\"Hi-performance\"\u003eHi-performance\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"word\" data-word=\"Single\"\u003eSingle\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"word\" data-word=\"Driver,\"\u003eDriver,\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"word\" data-word=\"Pure\"\u003ePure\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"word\" data-word=\"Excellence\"\u003eExcellence\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eNo driver stacking, just pure sound. IM4's single dynamic driver delivers coherent, layered, and authentically tuned audio.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eSingle Dynamic Driver\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_11.jpg?v=1776049453\" alt=\"香港代理 Fosi Audio IM4 入耳式耳機\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_6.jpg?v=1776049485\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\n\u003cdiv aria-current=\"true\" data-index=\"3\" class=\"slideshow-word flex flex-col justify-between gap-6\"\u003e\n\u003cdiv class=\"banner__box banner__box--small\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Perfect\" class=\"word\"\u003ePerfect\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Balance\" class=\"word\"\u003eBalance\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"of\" class=\"word\"\u003eof\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Acoustic\" class=\"word\"\u003eAcoustic\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Space\" class=\"word\"\u003eSpace\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eDual-chamber control: a 9-port front for balance, a sealed rear for treble extension.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eDual-Chamber Design\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"slideshow-dots flex items-end justify-between\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"slideshow-dots flex items-end justify-between\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"slideshow-dots flex items-end justify-between\"\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_3.jpg?v=1776049520\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"slideshow-dots flex items-end justify-between\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Ensure\" class=\"word\"\u003eEnsure\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"pure\" class=\"word\"\u003epure\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Signal\" class=\"word\"\u003eSignal\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Transmission\" class=\"word\"\u003eTransmission\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003e4-strand 392-core 5N OFC silver-plated cable: excellent signal transmission and a stable gold-plated connection.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e5N OFC Cable\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"slideshow-dots flex items-end justify-between\"\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_8.jpg?v=1776049545\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"slideshow-dots flex items-end justify-between\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Pocket-sized,\" class=\"word\"\u003ePocket-sized,\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Expansive\" class=\"word\"\u003eExpansive\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Soundscape\" class=\"word\"\u003eSoundscape\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eWide-open construction minimizes internal reflections and pressure buildup for an open, natural sound.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eOpen-Back Design\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_2.jpg?v=1776049575\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"slideshow-dots flex items-end justify-between\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Acoustic\" class=\"word\"\u003eAcoustic\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Damping\" class=\"word\"\u003eDamping\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"for\" class=\"word\"\u003efor\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Pure\" class=\"word\"\u003ePure\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Sound\" class=\"word\"\u003eSound\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eThe rear chamber is filled with sound-damping material to eliminate resonance peaks and harshness.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eAcoustic Damping\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_18.jpg?v=1776049686\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan class=\"word\" data-word=\"Ergonomic\"\u003eErgonomic\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"word\" data-word=\"Build\"\u003eBuild\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"word\" data-word=\"for\"\u003efor\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"word\" data-word=\"Comfort\"\u003eComfort\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eA Universal, comfortable fit, engineered from millions of ear scans for a secure and lightweight feel.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eErgonomic Design\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Balanced\" class=\"word\"\u003eBalanced\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Tuning\" class=\"word\"\u003eTuning\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Across\" class=\"word\"\u003eAcross\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Genres\" class=\"word\"\u003eGenres\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003ePunchy bass, clear mids, and a spacious, sibilance-free treble. The IM4 is tuned for relaxed listening.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eBalanced Tuning\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cstrong\u003ePicture 1 without Ear Tips\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cstrong\u003ePicture 2 with Balanced Ear Tips\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003ePicture 3 with Bass Ear Tips\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003ePicture 4 with Deep Bass Ear Tips\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cstrong\u003eOrange line: Aluminum alloy Tube\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cstrong\u003eRed line: Brass Tube\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_16.jpg?v=1776049643\" alt=\"香港代理 Fosi Audio IM4 入耳式耳機\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_17.jpg?v=1776049648\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg alt=\"香港代理 Fosi Audio IM4 入耳式耳機\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/Fosi_Audio_IM4_10.jpg?v=1776049693\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Enjoy\" class=\"word\"\u003eEnjoy\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"All-day\" class=\"word\"\u003eAll-day\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Comfort\" class=\"word\"\u003eComfort\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eEach earbud weighs only 7g, ensuring pressure-free comfort for long listening.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eHollow Structure Design\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cimg src=\"https:\/\/fosiaudio.com\/cdn\/shop\/files\/12_3-1_3bca20b7-d1aa-435e-931a-47ed21ad74c1.jpg?v=1762251249\u0026amp;width=800\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Two\" class=\"word\"\u003eTwo\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Bold\" class=\"word\"\u003eBold\u003c\/span\u003e\u003cspan class=\"whitespace\"\u003e\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-word=\"Finishes\" class=\"word\"\u003eFinishes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"description slideshow-text-responsive\"\u003eBlack exudes understated elegance, while silver shines with refined brilliance.\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003eElegant Colors\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\u003cbr\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Finishes\" class=\"word\"\u003eProduct\u0026nbsp;details\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"description subheading slideshow-text-responsive\"\u003e\n\u003cul\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eDual Magnet \u0026amp; Dual Chamber for Hi-Fi Sound: Experience audiophile clarity. Our IEM earphones feature an N52 dual magnet for powerful control and a dual-chamber design for balanced sound,The 10mm beryllium driver delivers wide soundstage and crisp details.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eBalanced \u0026amp; Fatigue-Free Tuning:The open-back design and acoustic damping wool reduce resonance and harshness, creating a relaxed, wide sound. The hifi earbuds are expertly tuned for balanced bass, mids, and treble, making them ideal for audiophiles.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eErgonomic \u0026amp; Lightweight Comfort: Designed for all-day comfort. Its housings feature a smooth metal finish that's hypoallergenic and pleasant to the touch. With each earpiece weighing only 7g, these are among the most comfortable in-ear monitors for extended wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003ePremium CNC Aluminum crafts:Show Excellent build quality and minimalist aesthetics. The shell is precision-machined from a block of aluminum. The unique orange metal grille and logo add a distinctive, setting IEMs apart in both style and substance.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003eCustomizable Sound \u0026amp; Detachable Cable:Tailor your audio experience. The IEMs set includes 3 types of eartips (Bass, Deep Bass, Balanced) and two sound nozzles (Brass, Aluminum) to fine-tune bass and treble. The 2-pin 0.78mm detachable cable to 3.5\/4.4mm.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"heading leading-none title-sm slideshow-text-responsive\"\u003e\u003cspan data-word=\"Finishes\" class=\"word\"\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-word=\"Finishes\" class=\"word\"\u003e\u003cstrong\u003eShell Material:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e6063 CNC Aluminum Alloy\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eDriver Unit:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e10 mm N52 Dual-Magnet Dual-Cavity Dynamic Driver\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eDiaphragm:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003ePU Beryllium-coated Diaphragm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eSensitivity:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e109dB\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eImpedance:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e21Ω\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eFrequency Response:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e20Hz–20kHz\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eCable:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e4-core 392-strand 5N OFC Silver-plated Copper Cable\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eConnector:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e2-PIN 0.78mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eAudio Jack:\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e3.5 mm Gold-plated Plug\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWeight (per earbud):\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e7g ±0.5g\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWeight (incl. cable):\u003cspan\u003e\u0026nbsp;\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e38g ±1g\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-word=\"Finishes\" class=\"word\"\u003e\u003cspan\u003eWhat‘s in the box？\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFosi Audio IM4 Earphones\u003c\/li\u003e\n\u003cli\u003e3.5mm Cable\u003c\/li\u003e\n\u003cli\u003eCarrying Pouch\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003cli\u003eQuick Guide\u003c\/li\u003e\n\u003cli\u003eBrass Nozzle\u003c\/li\u003e\n\u003cli\u003eBalanced Ear Tips\u003c\/li\u003e\n\u003cli\u003eBass Ear Tips\u003c\/li\u003e\n\u003cli\u003eDeep Bass Ear Tips\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp\u003e1 year warranty\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Fosi Audio","offers":[{"title":"Obsidian (Black)","offer_id":50829858537705,"sku":null,"price":899.0,"currency_code":"HKD","in_stock":true},{"title":"Gakaxy (White)","offer_id":50829858570473,"sku":null,"price":899.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/5424\/8169\/files\/03_aa4382f3-0249-42c1-aa1c-903031e4f5ff.png?v=1776049905","url":"https:\/\/www.futex.hk\/en\/products\/fosi-audio-im4","provider":"Futex","version":"1.0","type":"link"}