SKU: 67044978237

KEFINE Quatio 2DD +2BA Hybrid Drivers IEMs

Sale price$116.99 Regular price$129.99
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Description

KEFINE Quatio 2DD +2BA Hybrid Drivers IEMs*The curve is measured by a third party and is for reference only. Features: >Kefines First Take on Hybrid IEMs. >2DD+2BA Hybrid IEMs. >Warm, Lush, Musical Sound response. >Physical+Electronic Dual Way Frequency Crossover. >Adjustable Tuning With Replaceable Nozzles. >Three Sets of Nozzles Included in the Package. >CNC Machined Aluminium Alloy Ear Cavities. >High Purity Silver Plated Copper Cable. >Modular Plug System(3. 5mm+4. 4mm). >Comes with a

*The curve is measured by a third party and is for reference only.

Features:-

>Kefine’s First Take on Hybrid IEMs.

>2DD+2BA Hybrid IEMs.

>Warm, Lush, Musical Sound response.

>Physical+Electronic Dual-Way Frequency Crossover.

>Adjustable Tuning With Replaceable Nozzles.

>Three Sets of Nozzles Included in the Package.

>CNC-Machined Aluminium Alloy Ear Cavities.

>High-Purity Silver-Plated Copper Cable.

>Modular Plug System(3.5mm+4.4mm).

>Comes with a Variety of Ear tips.

Technical Information:-

>Impedance: 32Ω.

>Sensitivity: 107dB±3dB.

>Frequency Response Range: 20Hz~20kHz.

>Connector Type: 0.78mm 2-Pin Connectors.

Kefine welcomes its first hybrid IEM for the audiophiles, introducing the Kefine Quatio. It’s a quad-driver hybrid set of in-ear monitors that houses a dual dynamic driver setup combined with a dual balanced armature driver setup to deliver a warm, lush, musical sound response. Kefine has equipped the pair with a three-way frequency crossover featuring physical and electronic crossover designs. It comes with three sets of replaceable nozzles, each having a unique sound profile. The pair features high-quality CNC-machined aluminium alloy ear cavities. Kefine bundles the Quatio with a variety of ear tips and a premium stock cable. The cable is a high-purity silver-plated copper cable with modular termination plugs featuring 3.5mm and 4.4mm plugs in the package. Enter into a new level of sonic excellence with Kefine’s latest creation!!

Quad-Driver Hybrid Architecture:-

Kefine Quatio is Kefine’s first foray into the world of Hybrid Driver IEMs. So far, Kefine has developed many successful single-driver IEMs like the Kefine Klean, Kefine Klanar, Kefine Delci, etc. The Quatio is a quad-driver hybrid IEM featuring a 2DD+2BA driver setup. The pair houses a 10mm and an 8mm dynamic driver unit, which are combined with a dual balanced armature driver setup to produce a true high-fidelity sonic experience for the users.

Precisely Designed Three-Way Hybrid Crossover:-

Kefine Quatio features a three-way crossover design. It’s a hybrid crossover design which comprises both physical acoustic tubes and an electronic crossover board. There are three acoustic channels, each goes directly from a 10mm, 8mm and dual BA setup to the ear nozzle. The 10mm DLC diaphragm DD unit produces a high-resolution response across the frequency band. The 8mm dynamic driver adopts a PU+LCP diaphragm, which has been placed to enhance the bass response. The dual BA setup is assigned with task to deliver an enhanced high-frequency band above the 5 kHz frequency range. Together, these four drivers, combined with the accurate crossover design, ensure top-quality sound presentation.

Three Tuning Profiles With Replaceable Nozzles:-

Kefine Quatio is a highly versatile pair of IEMs; the pair features three tuning options easily switchable using the interchangeable nozzle design. The pair comes with three sets of nozzles: Gold Nozzle for a transparent, neutral, more accurate sound, Silver Nozzle for a balanced sound profile, and Black Nozzle for a warm and smooth sound response.

Exclusive Craftsmanship, Proper Comfort:-

Kefine is known for treating its IEMs with superb build quality. The pair features exclusive CNC-machined aluminium alloy ear cavities. The processing time for each pair of housing is more than 30 minutes, and the dimension tolerance is within 0.01mm. Each pair has a well-textured finish as they are finished using advanced polishing and anodising processes. The thickness of Quatio’s metallic housing is just 0.06mm, which minimises the size of the shell and ensures a comfortable fit for most users out there.

High-Quality Stock Cable With Modular Termination Plug Design:-

Kefine Quatio comes with a high-purity silver-plated oxygen-free copper cable. It is a 4-strand cable with a braided structure. Each strand contains 98 wires, totaling to 392 wire cores in total. It ensures lossless sound signal transmission. This cable has swappable termination plug system with 3.5mm and 4.4mm plugs included in the package.

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: 67044978237

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Debbie Harrell
Bozeman, US
★★★★★ 3
Fine but not great
It fit well and looked ok. However the material was thinner and flimsier than I expected. It was quite wrinkled and I couldn’t iron it well without risking melting it due to the polyester content. After ironing for about an hour on low heat it was passable but it was a lot of work to only get a passable result.
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Reviewed in the United States on November 13, 2025
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Diana Hernandez Escobar
Lowell, US
★★★★★ 5
Justa medida
Size: 7, Color: Green, Size: 7, Color: Green
Bello
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Reviewed in the United States on February 14, 2026
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Irina
Dallas, US
★★★★★ 1
Q enviaron un producto usado
Size: 7, Color: Black, Size: 7, Color: Black
El traje me gusto lo pedí en size 8 y le quedó grande a mi hijo, lo volví a pedir en un size 7 y lo q me entregaron fue una mercansia usada llena de brillo y mal olor, desde q abrí el paquete se veía q esta usada, me parece de muy mal profesionalismo ya q deberían revisar las cosas de devuelven para q después clientes como yo no tengamos q pasar por esto
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Reviewed in the United States on May 23, 2026
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Breanna Robertson
West Palm Beach, US
★★★★★ 5
Definitely Worth It!
Size: 7, Color: Dark Champagne, Size: 7, Color: Dark Champagne
Love this set for my little Easter-man (Khaki - Size 6)! I have a husky 5 year old son. ( I was able to hem the pants myself although his pants slipped down a bit before I tightened his belt) Loved the overall quality for the price! Kids play - it was the perfect material to give a good look but not break the bank. I purposely bought a bit large to ensure he’ll be able to wear it longer. I’ll be back for the navy suit. SN: Mom’s dress is from Amazon, Little sister’s dress is from Costco
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Reviewed in the United States on April 13, 2026
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Nancy Powers
Carnegie, US
★★★★★ 5
Exceptional boys suit!
Size: 12, Color: Light Blue, Size: 12, Color: Light Blue
Seriously Great Little Suit! True to Size and Looked So Sharp. I bought this blue suit in a size 12 for my son, and honestly, I was really impressed. You know how sometimes kids' clothes sizing is all over the place? Well, this suit was actually a true size 12, which was a huge relief. It fit him perfectly right out of the box. And the best part? It looked fantastic on him! The blue is a really nice color, and the suit just looked really well-made. He wore it to a 6th Grade graduation and he looked so grown-up and handsome. We got a ton of compliments. If you need a good-looking suit for your son that actually fits, you should definitely check this one out. We were really happy with it!
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Reviewed in the United States on May 18, 2025

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