{"product_id":"fosi-audio-im4-open-back-iem-earphones-in-ear-monitor-wired-earbuds-10mm-single-dynamic-driver-iems-for-audiophiles-gaming-and-studio-3-5mm-2-pin-0-78mm-detachable-cables-n52-dual-magnets","title":"Fosi Audio IM4 Open-Back IEM Earphones in Ear Monitor Wired Earbuds 10mm Single Dynamic Driver IEMs for Audiophiles Gaming and Studio 3.5mm 2-Pin 0.78mm Detachable Cables N52 Dual Magnets","description":"\u003cp\u003e- High-Fidelity Sound: The IM4 features a premium 10mm beryllium-coated diaphragm single dynamic driver for high resolution and natural three-band transition. The driver utilizes a dual-chamber structure and N52 dual-magnet circuit to deliver natural sound\n- Spacious Soundstage: Featuring an open-back design, the IM4 delivers airy, wide-open playback for relaxed, fatigue-free listening. Instruments spread out nicely, and vocals don’t feel boxed in, making long sessions effortless\n- Ergonomic \u0026amp; Lightweight: The IM4 is designed using a large ear-shape database to ensure it naturally conforms to your ear. With a smooth full-metal housing and weighing just 7g per bud, it delivers a comfortable, barely-there fit for all-day listening\n- Family Design: Featuring Fosi Audio’s signature design language, the shell is crafted from full-aluminum alloy with precision CNC machining and detailed metal sand-blasting for a refined, smooth touch\n- Customizable Sound: Includes three sets of ear tips (balanced, bass, deep-bass) of three sizes, and two types of nozzles (brass, aluminium alloy) for tailored tuning. With detachable 2-Pin 0.78 mm connectors, you can swap in your preferred cables also\n\u003c\/p\u003e\u003cp\u003eProduct description\u003c\/p\u003e\u003cp\u003eOpen-Back In-Ear Monitor\u003c\/p\u003e\u003cp\u003eFosi Audio IM4\u003c\/p\u003e\u003cp\u003eFosi Audio Im4\u003c\/p\u003e\u003cp\u003efosi audio im4\u003c\/p\u003e\u003cp\u003eFosi Audio IM4 Open-Back IEM Earphones\u003c\/p\u003e\u003cp\u003eFosi Audio IM4 Open-Back IEM Earphones\u003c\/p\u003e\u003cp\u003eA new exploration designed for long-lasting comfort in sound and fit.\u003c\/p\u003e\u003cp\u003eFosi Audio IM4 Open-Back IEM Earphones, in Ear Monitor Wired Earbuds, 10mm Single Dynamic Driver, IEMs for Audiophiles, Gaming and Studio, 3.5mm 2-Pin 0.78mm Detachable Cables, N52 Dual Magnets\u003c\/p\u003e\u003cp\u003eEngineered with an optimized dynamic driver and acoustic tuning for detailed sound (THD\u0026lt;1% ).\u003c\/p\u003e\u003cp\u003eA 10mm Be-PU driver for dense mid-Lows, brilliant highs, and a wide, detailed soundstage.\u003c\/p\u003e\u003cp\u003eNo driver stacking, just pure sound.IM4's single dynamic driver delivers coherent and layered audio.\u003c\/p\u003e\u003cp\u003eDual-chamber control: a 9-port front for balance, a sealed rear for treble extension.\u003c\/p\u003e\u003cp\u003e4-strand 392-core 5N OFC silver-plated cable: signal transmission stable gold-plated connectors.\u003c\/p\u003e\u003cp\u003eUniversal, comfortable fit, engineered from millions of ear scans for a secure and lightweight feel.\u003c\/p\u003e\u003cp\u003eThe rear chamber is filled with sound-damping material to eliminate resonance peaks and harshness.\u003c\/p\u003e\u003cp\u003eWide-open construction minimizes internal reflections,pressure buildup for an open, natural sound.\u003c\/p\u003e\u003cp\u003ePunchy bass, clear mids, and spacious, sibilance-free treble. IM4 is tuned for relaxed listening.\u003c\/p\u003e\u003cp\u003eEach earbud weighs only 7g, ensuring pressure-free comfort for long listening.\u003c\/p\u003e\u003cp\u003eBlack exudes understated elegance, while silver shines with refined brilliance.\u003c\/p\u003e\u003cp\u003eTriple-tunable ear tips in three sizes adapt to ears, allowing you to customize the bass response.\u003c\/p\u003e\u003cp\u003eTailor your sound: an aluminum nozzle for warm bass or a brass one for clear mids and treble.\u003c\/p\u003e\u003cp\u003eBraided cable with a 3.5mm plug, easily upgrade to 3.5mm or 4.4mm cables for flexible customization.\u003c\/p\u003e","brand":"MobileNest","offers":[{"title":"Default Title","offer_id":47331495608573,"sku":"B0FXLVLV1M","price":146.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/6538\/2141\/files\/61n99MDtV4L._AC_SX679.jpg?v=1774770768","url":"https:\/\/mobilenest1.com\/products\/fosi-audio-im4-open-back-iem-earphones-in-ear-monitor-wired-earbuds-10mm-single-dynamic-driver-iems-for-audiophiles-gaming-and-studio-3-5mm-2-pin-0-78mm-detachable-cables-n52-dual-magnets","provider":"MobileNest","version":"1.0","type":"link"}