[NEWS] FiiO Introduces FX15 Flagship Hybrid Driver IEM



[NEWS] FiiO Introduces FX15 Flagship Hybrid Driver IEM


FiiO is introducing the brand new FX15, which is the companies latest Flagship Hybrid Driver IEM. The FX15 is equipped with Six Drivers per earpiece that is a combination of 4x Electrostatic (SONION) + 1x 10MM DLC Dome Dynamic Driver + 1x Balanced Armature Driver (Knowles). The FX15 is also the first Triple Driver Product of the company and also the first IEM that features EST (Electrostatic) Driver’s in the company’s product line. The FiiO FX15 is the first product from FiiO to feature EST implementation.

The drivers are located inside a semi-custom cavity with a Trigonometric Design made from high quality resin material printed with the latest DLP-3D printing technology. The monitors are designed in collaboration with HeyGears.



  • Triple Hybrid Driver Configuration with 6 Drivers in Total Per Ear Piece
  • 4x SONION Electrostatic Drivers.
  • 1x New Knowles Balanced Armature Driver
  • 1x 10mm DLC Dome Dynamic Driver
  • Switch to Turn EST Drivers On.
  • Unique Conceptual “Sound & Shape” Design
  • FiiO’s Patented S. Turbo Acoustic Architecture
  • DLP 3D-Printed Resin Monitor Shell
  • 224-Core High-Purity Sterling Silver Wire Cable
  • Modular Termination Plug System


Electrostatic Driver Implementation:

The FiiO FX15 is the companies first-ever In-Ear Monitor that features EST (Electrostatic) Drivers. FiiO has cooperated with the Danish company SONION, which is one of the leading brands in the industry that provides High Performance Electrostatic (EST) driver units. The FX15 is equipped with 4 EST Drivers per earpiece.


Technical Specification: 

  • Driver Configuration : Tripe Hybrid Driver
  • Driver Combination : 4x Electrostatic + 1x BA + 1x 10mm Dia. Dynamic Driver
  • Impedance : 24Ω@1kHz
  • Frequency Range : 20Hz-40kHz
  • Sensitivity : 103dB/mW
  • Termination Plugs : 4.4mm Balanced + 3.5mm Single Ended


Design & Shape:

Another important partner of FX15 project is HeyGears, a famous brand in the industry using their high-quality imported resin material that is processed with the latest DLP-3D Printing technology. FiiO FX15 IEMs feature an eye-catching faceplate design with a Trigonometric shape for extra comfort due to the increased size of the monitor. The design of the pair is inspired by the “Sound and Shape” design theme.


EST Switch:

The 4x Electrostatic (EST) Drivers of the FiiO FX15 are implemented in order to improve the extension and resolution high-frequency area. The FX15 features a switch that allows the users to easily turn the EST drivers ON or OFF.


FiiO’s Patented S.Turbo Acoustic Design:

In order to enhance the lower-frequency response produced by the dynamic driver unit, FiiO has equipped the pair with its patented S.Turbo acoustic design architecture. It incorporates an ultra-thin and long acoustic tube that greatly improves the bass response with the pair.


Detachable MMCX Cable:

The FiiO FX15 comes with a top level 224-core 8 strand High Purity Sterling Silver wire cable. It has an interchangeable termination plug system with 3.5mm and 4.4mm plugs included in the package. The high-purity wire core enables smooth signal transmission with low internal resistance to the sound signal.


Package and Accessories:

Price & Availability:

The MSRP price for the new FiiO FX15 will be approx 799.00 US$. More information’s can be found under the link below.



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