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ORIVETI O400 - Premium 4 BA HiFi IEM Headphones

The new O400, it's Heritage from O800


The O400 project began when we started Product Verification Review of the O800. The project goal was to deliver the high-definition and high-dynamic sound which is the sound signature of our new O series through a reference-class IEM with a more accessible price range. To do this, we used the know-how accumulated from developing our flagship O800 for O400.


* Handmade Resin Earphone Body;
* 4 BA Driver Technology;
* Handmade Class 8 Wires (Silver Plated Copper) Braided Detachable Cable;
* Perfect Natural & Balanced Sound;

-Vivid sound with High DynamicsAs the development of the O800 was prolonged, the development of the O400 was sufficiently mature, and as a result, it implemented a high-definition, high-density sound with a perfect balance and a sense of dynamics. The sound of the O400 is so natural that it expresses the music very close to the listeners and makes listeners forget that it is heard through IEMs. It gives you the same immersion as listening to the recording in a large studio.


Among the four BA drivers used in the O400, three are from Knowles, and one is customized with our technology based on the design experience of the O800 drivers. All the drivers in O400 are carefully selected, designed, and screened and the combination of new drivers and Knowles drivers reproduce perfection in ultra-low, medium-low, medium-high, and treble.


The O400 used an innovative four-way crossover network. Through a delicate micro-design, Crossover network of O400 perfectly implements the sound that we intended.



The housing of the O400 is based on the new housing shape of the O800. It is made through delicate handmade crafts through the hands of qualified engineers.


The Oriveti 8 Wires silver-plated copper wire is made of high-quality low impedance wires to prevent loss due to cables.
We applied 0.78mm 2 Pin connector which is more durable and general purpose than MMCX.

-AZLA SednaEarfit™ Xelastec

In addition to the Bullet Shape Eartip, Bowl Shape Eartip, Double Flange Eartip, and Formtip, we offer AZ’LAs SednaEarfit™ Xelastec Eartips.
Xelastec Eartips has an auto-fitting system based on the user's body temperature, providing a snug fit just like custom IEMs.


Drivers: 4 Balanced Armatures 

Impedance: 15 Ohm

Frequency Response: 10~40KHz

Sensitivity: 110+-3dB/mW, 1000Hz

Distortion: <1%

Cable: Handmade Class 8 wires Silver Plated Copper with 2pin connector

Plug: Gold-plated 3.5mm Stereo PlugCable: 1.2 M

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Premium package with great accessories.  ORIVETI O400 are premium product so users with great quality earphones should expect rich accessories set.  It includes: premium handwoven cable made from silver plated copper, high quality leather carrying case, adapters and different kinds of eartips to choose from.

Package Includes:
Earphone body - 1pair
8 wires Detachable Cable - 1pc
Leather Carrying Case - 1pc
S, M, L Silicone Tips - 2pair per size
M foam tips - 2pairs
Double Flange Tips- 2pairs
Cleaning tool - 1pc

6.35mm to 3.5mm connector - 1pc

AZLA SednaEarfit™ Xelastec - SS, S, MS - 1pair per size 

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