Authorized dealers for Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home

Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
Altitudo Audio — online and in-store — Winnipeg, Manitoba, Canada (website)
Apos Audio — online and in-store — Oakland, California, United States (website)
Audeos — online and in-store — Żywiec, Województwo śląskie (website)
Audio 46 — online and in-store — New York, New York, United States (website)
Audio Domain — in-store — Stadtbezirke I, Nordrhein-Westfalen, Germany (website)
Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
AUDIOPHONICS — in-store — Bordeaux, Nouvelle-Aquitaine, France (website)
AV Cables — online and in-store — Hornsyld, Denmark (website)
B&H Photo — online and in-store — New York, New York, United States (website)

and 12 more verified dealers

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home #1

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 1

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 2

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 3

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 4

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 5

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 6

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 7

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 8

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 9

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 10

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 11

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home variant 12

Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home

Power sound with 10mm driver
Boost dynamics via N52 magnets
Expand space with open-back design
Perfect Pairing with DS3 Mini Audio DAC
IM4 IEM Accessories: 4.4mm Balanced, 3.5mm with Mic

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.

Fosi Audio IM4 Earphones
3.5mm Cable
Carrying Pouch
User Manual
Quick Guide
Brass Nozzle
Balanced Ear Tips
Bass Ear Tips
Deep Bass Ear Tips

Dealers selling Fosi Audio near you

Authorized dealers for Fosi Audio Fosi Audio IM4 Open‑Back Wired Earbuds – All‑Day Comfort for Work, Commute, or Home

Acoustic Technologies — online and in-store — Montréal, Québec, Canada (website)
Altitudo Audio — online and in-store — Winnipeg, Manitoba, Canada (website)
Apos Audio — online and in-store — Oakland, California, United States (website)
Audeos — online and in-store — Żywiec, Województwo śląskie (website)
Audio 46 — online and in-store — New York, New York, United States (website)
Audio Domain — in-store — Stadtbezirke I, Nordrhein-Westfalen, Germany (website)
Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
AUDIOPHONICS — in-store — Bordeaux, Nouvelle-Aquitaine, France (website)
AV Cables — online and in-store — Hornsyld, Denmark (website)
B&H Photo — online and in-store — New York, New York, United States (website)