KEFINE Quatio 2DD+2BA Hybrid Driver Hifi Wired IEM Earphones with CNC Metal Housing & Detachable 0.78 2pin 3.5mm Cable

Quatio - 2DD + 2BA Hybrid Earphone

1. 2DD and 2BA hybrid drivers make warm, lush and musical sound.

2. Meet different listening preferences with 3 pairs of replaceable tuning nozzles.

3. Accurate sound and durable quality made by precise CNC machining metal housing.

4. Wide adaptability with 3.5mm SE and 4.4mm BA interchangeable plugs.

5. No loss on signal transmission and full sound with high-purity 392 silver-plated OFC wires cable.

Warm, lush and musical sound from 2DD + 2BA hybrid drivers

Each side of the earphone consists of 2 dynamic and 2 balanced armature drivers.

* Kefine exclusive 10mm DLC diaphragm dynamic driver is responsible for the full range of frequency response, ensuring a good basis of high resolution for the overall sound quality. In addition, it can better connect different frequency response.

* 8mm PU+LCP diaphragm dynamic driver improves bass , making the bass fuller and richer.

* 2 balanced armature drivers are responsible for the high frequency after 5KHz, making the treble extension wider, as well as more details and wider soundstage.

More precise sound control

The sound comes out from 3 different tubes with 10mm dynamic driver, 8mm dynamic driver and 2 balanced armature units. The combination of precise electronic frequency division and this physical frequency division makes the sound control more accurate.

The whole earphone makes powerful and deep bass, warm & lush mids, smooth and non-harsh high frequency.

3 pairs nozzles for different listening preferences

Quatio comes with 3 pairs replaceable stainless steel tuning nozzles, providing 3 different sound styles. Each pair of nozzles is made of different tuning fabric system, ensuring one earphone can meet the sound taste from different customers.

Replaceable nozzles can also solve the problem of blocked sound tube, and extend the life of the earphones. The threaded nozzles makes replacement very easy and quick.

All 3 pairs nozzles sound great

Silver nozzles: balanced

Gold nozzles: transparent.

Black nozzles: warm.

Accurate sound and durable quality by precise

CNC machining

Quatio earphone housing is made by five-axis precise CNC maching. The processing time for each pair of housing is more than 30 minutes, and dimension tolerance is within 0.01mm, which ensures precise cavity size and accurate sound.

The housing material is aviation aluminum, which is polished and anodized after CNC processing. Smooth surface makes high quality texture. Earphone made of metal is also more durable.

The thickness of the Quatio metal housing is only 0.06mm, which minimizes the earphone size and makes them more comfortable to wear.

Modular plug system with wider compatibility

Each Quatio earphone is equipped with two interchangeable plugs: 3.5mm single-ended and 4.4mm balanced, which can be adapted to professional music playing devices, as well as mobile phones and computers.

Lush and transparent sound from high-purity silver-plated wire

The earphone is equipped with high-purity silver-plated oxygen-free copper wire with 4-strand braided structure. Each strand contains 98 wires, and there are 392 (98x4) wires totally, which ensures lossless signal transmission and makes the sound full and lush.

The copper wire makes the sound warm, while the silver-plated material brings wide extension for high frequency and more details. These two kinds of materials are perfect combination to make good sound.

0.78mm 2-pin detachable cable

Quatio is equipped with a 0.78mm 2-pin detachable cable, which is widely compatible with replaceable cables on the market. It helps to explore the potential of the earphones and better extend their working life.

A variety of eartips for different needs

There are 4 different shapes of eartips for Quatio. Customers can choose different eartips based on different sound preferences.

There are totally 13 pairs of eartips with different sizes, as well as 2 storage cases.

Packing List

1. Quatio earphone: 1 pair

2. Hard carrying case: 1 pc

3. Extra nozzles: 2 pairs

4. Eartips (L/M/S): 12 pairs

5. User manual: 1 pc

6. Quality certificate: 1 pc

7. Notice card for nozzles: 1pc

8. Eartip storage case: 2pcs

Specification:

Driver type: 2pcs dynamic drivers + 2pcs balanced armature drivers

Driver size: φ 10mm

Frequency response: 20Hz -20KHz

Sensitivity: 107dB+/-3dB

Impedance: 32 Ohm

Cable length: 1.2M

Connector: φ 3.5mm single-ended & φ 4.4 mm balanced