Fosi Audio IM4 Dynamic Driver In-Ear Monitor
Dual Magnet & 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...
- Dual Magnet & 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.
- Balanced & 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.
- Ergonomic & 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.
- Premium 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.
- Customizable Sound & 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.
Open-Back Design.
Clearly Immersive.
Minimizes internal reflections and pressure buildup,
delivering a more open, natural sound with reduced fatigue.
Find The Sound That Fits You
Choose from 3 ear tip sizes, 3 ear tip styles, and 2 sound nozzles: aluminum for reduced sibilance and added bass, or brass for clearer mids and treble.
Tuned For Long Listening
Carefully tuned for balanced sound with clear vocals, smooth highs, and fatigue-free listening.
Ergonomic Fit For Your Ears
Designed from millions of ear shape data, the ergonomic housing ensures a secure fit and all-day comfort.
7g Lightweight Design
The hollowed structure cuts weight to
ensure pressure-free comfort.
Skin-Friendly Finish
The all-aluminum body offers a smooth touch
that's gentle on the skin.

