Fosi Audio IM4
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Fosi Audio IM4 Open-Back In-Ear Monitor - IM4-Obsidian IM4-Black | $99.99 |  | |||
Fosi Audio IM4 Open-Back In-Ear Monitor - IM4-Galaxy IM4-Silver | $99.99 | | |||
Fosi Audio Fosi Audio IM4 Hifi Wired Earphones Open-Back Dynamic Drivers IEM Headphones For Music Monitoring Gaming Earbuds | $124.99 |  | |||
Video reviews
A new $100 FAVORITE OPEN BACK | Fosi Audio IM4 OPEN BACK IEM Headset Review
23 December 202514 495 view
Fosi Audio IM4 Open Back In Ear Monitor
14 January 202610 969 view
Fosi IM4 IEM Review - $99 Open-Back Choose-Your-Own-Adventure IEM
13 October 20252 408 view
那个做了很多前端的Fosi Audio，做了一款开放式监听耳塞？！Fosi IM4测评分享
20 October 20251 209 view
Fosi Audio IM4 Kopfhörer * Unboxing + Review * Vorteile und Nachteile des offenen Konzepts
18 November 20251 005 view
Fosi Audio IM4 Review: A Quirky $100 Debut IEM
19 December 2025995 view
Fosi Audio IM4 - When the DEBUT HIT the TOP: BEST budget OPEN-BACK IEMs UNDER 100$
11 November 2025610 view
I LOVE these IEMs! Here's why... - Fosi Audio IM4 Review
13 February 2026260 view
We recommendCompare using chart →
студийные, in-ear, wired, detachable cable, 3.5 mm, 1.2 m, no microphone, 20 – 20000 Hz, 5 Ohm
студийные, in-ear, wired, detachable cable, 3.5 mm, 1.25 m, no microphone, 20 – 20000 Hz, 15 Ohm
студийные, in-ear, wired, detachable cable, 3.5 mm, 1.25 m, no microphone, 20 – 20000 Hz, 14 Ohm
in-ear, wired, detachable cable, 3.5 mm, 4.4 mm (Pentaconn), 1.3 m, no microphone, 15 – 40000 Hz, 16 Ohm
студийные, in-ear, wired, detachable cable, 3.5 mm, no microphone, 8 – 40000 Hz, 20.5 Ohm, L-plug
in-ear, wired, detachable cable, 3.5 mm, 4.4 mm (Pentaconn), 1.2 m, no microphone, 20 – 20000 Hz, 33 Ohm, battery: with case + эффектвный
студийные, in-ear, wired, detachable cable, 3.5 mm, 1.3 m, no microphone, 20 – 18000 Hz, 20 Ohm, L-plug
студийные, in-ear, wired, detachable cable, 3.5 mm, no microphone, 7 – 40000 Hz, 13.8 Ohm, L-plug
in-ear, wired, detachable cable, 3.5 mm, 1.6 m, no microphone, 22 – 17500 Hz, 17 Ohm, L-plug