SKU: 7663153841

Fidue GEM4 4BA In Ear Earphone IEMs

Sale price$194.40 Regular price$216.00
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

Fidue GEM4 4BA In Ear Earphone IEMsFeatures: >High Performance 4BA setup on each side featuring custom made BA drivers. >Natural, Transparent sound tuning. >Three way electronic frequency division. >Independent Acoustic Cavity. >Independent Air Diversion A. G. module. >High purity Silver plated Monocrystalline Copper cable. >Standard 2 pin connectors. >Medical grade Resin shells made using 3D printing technology. >Impedance: 50 ohms. >Sensitivity: 112dB. >Input Power: 50mW. >THD+N:

Features:-

>High-Performance 4BA setup on each side featuring custom-made BA drivers.

>Natural, Transparent sound tuning.

>Three-way electronic frequency division.

>Independent Acoustic Cavity.

>Independent Air-Diversion A.G. module.

>High-purity Silver-plated Monocrystalline Copper cable.

>Standard 2-pin connectors.

>Medical-grade Resin shells made using 3D printing technology.

>Impedance: 50 ohms.

>Sensitivity: 112dB.

>Input Power: 50mW.

>THD+N: <1%.

Fidue Gem 4 is a high-fidelity audio in-ear monitor featuring a four-driver composite balanced armature driver unit. The pair is designed using advanced technology including Fidue's self-developed independent Air Diversion Module, Independent Acoustic Cavity without any damping or ducting, three-way frequency division, 3D-printed medical-grade resin shells, all these ensuring a rich and transparent sound & premium build quality.

High-Performance All-BA Driver Configuration:-

Fidue Gem 4 is a high-resolution all-BA IEM featuring a high-performance quad-driver composite BA driver unit on each side. Balanced Armature drivers are known to provide crisp, high-resolution sound output with rich clarity and detailing. The Fidue Gem 4 shows unmatchable acoustic capabilities producing true-to-life natural sound output.

Tuned By Professionals For Transparent, Natural Sound:-

Fidue has experience in tuning multi-driver in-ear monitors for veteran audiophiles as well as our regular music enthusiasts. Fidue uses that experience to tune the Gem 4, providing a high-resolution sound output with sweet treble, accurate mid-range, and strong bass response. We are pretty sure you are gonna love the smooth, rich sound output out of the Gem 4.

Three-Way Electronic Frequency Division Technology:-

Fidue Gem 4 features a three-way electronic frequency division circuit. The energy of this circuit is finely adjusted to make the different driver units perform to the top of their potential.

No Damping, No Ducting, an Independent Acoustic Cavity:-

Fidue uses its self-developed independent acoustic cavity structure for the Gem 4. It has no damping, no ducting. This no damping not only reduces unnecessary harmonics caused by ducts and dampening tools, in fact, it also contributes to the natural, transparent sound tuning of the pair.

High-Purity Silver-Plated Single Crystal Copper Cable:-

Fidue Gem 4 is bundled with a high-purity silver-plated monocrystalline copper cable that has very low internal resistance to the sound signal and at the same time, it greatly improves the channel separation degree. It has standard 2-pin connectors and a 3.5mm termination plug for easy connectivity.

Medical-Grade 3D-Printed Ear Cavities:-

The earpieces in Fidue Gem 4 are made using high-precision 3D printing technology. They have a high consistency with very low accuracy error. The cavities are made with a medical-grade resin material that is not only skin-friendly but also has light-weight characteristics which contribute to a comfortable fit with the pair.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 7663153841

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4.4 ★★★★★
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Boymom
Chelsea, US
★★★★★ 5
Real cotton/linen. Fit as expected.
This shirt is nicely made. It doesn't look cheap or tacky. It's very classy looking and could be easily dressed up or down. It's really cotton/linen as advertised. It does not have any stretch to it. It fit as sized. I washed on warm and hang dried with no shrinkage or issues. Color is true to ad pics.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2024
J
Verified Purchase
Jean D.
Port Orchard, US
★★★★★ 5
Good
Noce
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 19, 2025
A
Amy
Omaha, US
★★★★★ 5
Adorable, Complete Set—Great for Special Occasions
Color: Beige, Size: 12, Color: Beige, Size: 12
This suit set is such a great find! It comes with everything you need—jacket, pants, shirt, tie, and bow tie—which makes getting a dressed-up look so easy. It's excellent quality for a suit in this price range. The linen fabric gives it a nice, lightweight feel and a polished look that works well for both formal and semi-casual events. My son looked adorable in it, and it was perfect for the spring wedding we attended. What I love: Complete 5-piece set—no need to buy extras Lightweight and comfortable material Classic, stylish look with nice details (lapel, pockets, etc.) Adjustable waistband is super helpful for fit Versatile for weddings, holidays, and other events Fit was true to size based on the chart, but I agree with the recommendation—if your child is between sizes or growing quickly, sizing up is a good idea. I sized up with the hopes that he can wear it again for another event because it looks fantastic! Overall, a really cute and practical suit set that looks great without being uncomfortable. Perfect for any special event
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
D
DD
Massapequa, US
★★★★★ 4
Boys’ 5‑Piece Linen Suit Set
Color: Beige, Size: 16, Color: Beige, Size: 16
I ordered this 5‑piece linen suit in size 16 in the beige color. The set includes the jacket, pants, dress shirt, bow tie, and a slip‑on tie. The outer fabric is a blend of 70% polyester, 25% linen, and 5% spandex, and the lining is 100% polyester. The material is lightweight, which works well for warm‑weather events, but the pants are noticeably thinner than the jacket. The jacket feels sturdier because of the full lining. The jacket has a peak lapel, flap pockets, and cuff buttons, and the stitching and seams are tight and even. I did notice a few loose threads, but the fabric itself was smooth with no tears or flaws. The pants have an adjustable waistband, which is helpful, but the length was too long and will need to be tailored. The overall cut of the suit seems designed for children on the thinner side. The shirt included in my set was a pleated style rather than a plain dress shirt. It wasn’t the style shown in the product photos, and I would have preferred a standard shirt that could be worn for various occasions rather than a very formal shirt. The tie is a pre‑tied slip‑on style with an elastic band. I would have preferred a traditional tie instead. The suit arrived in good condition with no damage, and the color was even throughout all pieces. The price is on the higher end for similar 5‑piece sets. I rated it 4 stars because the jacket is well made and the set includes all the expected pieces, but the thin pants, unexpected pleated shirt, and slip‑on tie kept it from being perfect.
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Reviewed in the United States on April 16, 2026
J
Jacobson
Phoenix, US
★★★★★ 5
Adorable and Well‑Made Outfit for Special Events
Color: Light Blue, Size: 10, Color: Light Blue, Size: 10
Got this suit set for my son and absolutely love it. It comes with everything he needs to look sharp, and I really appreciate that it includes both a tie and a bow tie so we can switch up the style depending on the occasion. The quality is impressive for the price — the fabric feels light and comfortable, and the whole outfit has a polished look without being stiff or uncomfortable. The fit was spot on, and the adjustable waistband is a huge help for getting it just right. My son looked great in it, and it’s definitely something he can wear for more than one event. The little details on the jacket and pants give it a classic, dressed‑up feel that works for weddings, holidays, or any special moment. Overall, it’s a stylish, practical set that makes getting him ready so much easier. Really happy with this purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026

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