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Fosi Audio IM4 Open-Back IEM Wired Earbuds, in Ear Monitor Earphones, 10mm Single Dynamic Driver, IEMs for Audiophiles, Gaming and Studio, 3.5mm 2-Pin 0.78mm Detachable Cables, N52 Dual Magnets | Envi

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ColorSilver

Detalle de producto

$121.94

Fosi AudioVendido por Amazon · enviado por EnviPrime gratisEnvío gratis

Fosi Audio IM4 Open-Back IEM Wired Earbuds, in Ear Monitor Earphones, 10mm Single Dynamic Driver, IEMs for Audiophiles, Gaming and Studio, 3.5mm 2-Pin 0.78mm Detachable Cables, N52 Dual Magnets

4,6215 reseñas

$121.94

Entrega garantizadaEn stock

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Sobre este producto

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. 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. 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. 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. 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.

Marca: Fosi Audio
Modelo: B0FXLVLV1M
Categoría aduanal: Electronics

Reseñas

4,6

215 reseñas

13 con comentario

552%
443%
35%
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1

TruePTrot
Excellent Fit and Superlative Fidelity...
Being a newly to the world of IEMs and reading extensive reviews, I was initially concerned about these having an open-backed style and would sound lite, but my first use dispelled that. The long and short of it, the single dynamic driver Fosi Audio IM4 has clear, crisp, uppers and mids with powerful low bass fidelity for an IEM of this price point (even edging out my multi-driver Simgot EW300s).These are also very comfortable and fit amazing well while using their stock silicone tips and seal my inner ear with very little post adjustment.Very happy with the Fosi Audio IM4.Ver másVer menos
1 persona la encontró útil
Kindle Customer
23 de mayo de 2026
Great Sound for the Money!
For the money this are awesome. Great sound overall. Very well balanced. They can run well on flat eq or be tuned to your personal tastes. While only using a single driver still performs well with various instruments and vocals for clarity and details. They fit well and come with a lot of accessories including a great case, a really nice cord, alternate brass nozzles and 3 sets of tips. The cord could have had swappable termination between 3.2 and 4.4 mm which is the only ding on the package. Metal shell is super nice, very durable and has a clean feel and appearance. if you don't want to spend a lot on an iem. This is a great choice.Ver másVer menos
1 persona la encontró útil
Jose A (JAJE)
17 de febrero de 2026
Bright, Clean, and Worth It
The build quality is excellent. The cable feels great, and the metal shells give the IEMs a very premium and solid touch. The design is clean and minimal, so it easily matches any style whether you’re using them at home or on the go. In my case, I have small ears and they fit perfectly without any issues, they’re extremely comfortable even during long listening sessions.When it comes to sound, you can notice good soundstage and instrument separation, with clear mids and bright highs. The bass is clean and well-defined, but don’t expect it to be very deep or heavily emphasized.Overall, a great purchase for the price.Ver másVer menos
3 personas la encontraron útil
DecoDon
15 de julio de 2026
Excellent quality and value
I just received my Fosi Audio IM4 open-back IEMs. I am extremely happy with the excellent sound quality and comfort to wear. I strongly recommend them. Execllent value.
Silv
12 de agosto de 2026
Good audio
good iems good audio
Justin Wrinkle
go with these you won't be disappointed
I'm thrilled to share my comprehensive review of the Fosi Audio I4 In-Ear Monitors! Initially, I approached them with some apprehension, as they mark Fosi Audio's first venture into the IEM market. However, I believe it's crucial to give new entrants a chance, and I'm delighted to report that my decision was well-founded.When connected to my iFi Audio Gryphon via a 3.5mm balanced wired connection, these IEMs delivered a remarkably crisp and clear audio experience. The mid-bass presence was subtly integrated, providing a clean and articulate sound without being overbearing. Further investigation into the product's specifications revealed that the brass audio barrels, as I call them, are designed to modify acoustic variables, much like how enclosure materials impact subwoofer performance.Subsequently, I tested the IEMs with my FiiO UTWS5 Bluetooth IEM amplifiers, and I was thoroughly impressed with their performance. While there was a slight reduction in overall volume compared to the Gryphon, this is an expected characteristic when transitioning between these two devices.In conclusion, I've rigorously tested these IEMs across a diverse range of musical genres, including soft rock, metal, vocal soundtracks, rap, hip hop, EDM, and dubstep. The Fosi Audio I4 IEMs consistently delivered exceptional audio reproduction across all categories. I consider this an outstanding investment at the $100 price point. Furthermore, the open-back design contributes to a beautifully crisp and clear sound profile, a feature that other manufacturers of open-back IEMs would do well to emulate. 🎧🎶Ver másVer menos
7 personas la encontraron útil