Fosi Audio IM4 Open-Back HiFi IEM Earphones, 10mm Beryllium Driver, N52 Dual Magnet & Dual Chamber, 2-Pin Detachable Cable 3.5/4.4mm Balanced, Custom Tuning, Ergonomic Fit for Music/Gaming (Silver)

Price: ₹11,599 - ₹9,999.00
(as of Mar 09, 2026 14:37:21 UTC – Details)


IM4 designed exclusively for discerning audio enthusiasts, IM4 Premium In-Ear Monitors set a new standard for high-fidelity sound and refined performance. Engineered with an N52 dual magnet system for precise audio control and a dual-chamber acoustic design to ensure balanced frequency response, the 10mm beryllium driver delivers an expansive soundstage and meticulous detail reproduction—capturing every nuance of your favorite recordings with audiophile-grade clarity. To prioritize extended listening comfort, each earpiece weighs a mere 7 grams and features a hypoallergenic, smooth metal housing. This ergonomic design ensures gentle contact with the skin, eliminating fatigue even during prolonged use, while maintaining a sleek, professional aesthetic.
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.