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Product description

Open-Back In-Ear Monitor Fosi Audio IM4

A new exploration designed for long-lasting comfort in sound and fit.

Fosi Audio Im4

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. fosi audio im4 Merchant Video

Fosi Audio IM4 Open-Back IEM Earphones

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

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Fosi Audio IM4 Open-Back IEM Earphones Merchant Video

• 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
• 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
• Ergonomic & 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
• 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
• 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