FiiO FX17

Product information "FiiO FX17"
Hybrid 13-driver flagship in-ear headphones 
  • 1DD, 4BA and 8EST design on each side
  • Eight electrostatic Sonion drivers 
  • Four custom Knowles BA drivers 
  • Dynamic driver with 10mm lithium-magnesium alloy diaphragm 
  • Electronic and physical five-way crossover 
  • Patented S.Turbo acoustic design
  • Titanium construction with gold, silver and copper cables 
  • Exclusive serial number nameplate 
  • Three interchangeable Termination audio plugs included
  • 22 Pairs of Ear Tips including SpinFit, FiiO HS18 and FiiO HS20 Tips
  • Hi-Res Audio Certified

What you have in front of you now is the masterpiece of FiiO acoustics. 
This custom-built acoustic device is the result of 18 years of acoustic experience. It combines the best acoustic technology, embodies an unobtrusive design aesthetic and interprets the ideal sound in your heart. 
The essence of 18 years is united in a creation in which all sounds flow together, just for you. 

1DD 4BA 8EST design per side
To achieve the best possible sound quality, the FX-17 features a design with one dynamic driver, 4 balanced armature drivers and eight electrostatic drivers per side. 
A five-way crossover has been precisely tuned to balance the energy distribution between the drivers and ensure that each unit operates in its optimum state, resulting in a wider soundstage and a more natural sound. 

Eight electrostatic drivers for a truly airy feel
Electrostatic drivers have exceptional high frequency extension, easily reaching 50 kHz, and a feeling of airiness, giving the listener a wider soundstage. 
The downside is that their sensitivity is only 99 dB/mW, which is low compared to the 110 dB/mW sensitivity typically found in balanced armature and dynamic drivers, resulting in a masking effect. Therefore, the FX-17 uses 8 electrostatic units to increase the sound pressure level and make the electrostatic drivers audible as they handle the high and ultra-high frequencies above 6kHz and are not just for decoration. 
* The masking effect refers to the phenomenon that the sensitivity of human hearing to high frequency signals is reduced in the presence of loud low frequency signals. 

Four customized Knowles BA drivers
The FiiO FX17 uses 2 Knowles Balanced Armature drivers, which are responsible for the mid and high frequencies. Each of the composite balanced armature driver units is divided into two parts, with one part responsible for the mids and the other for the mid and high frequencies. This results in denser mids and a more transparent sound and allows a seamless transition to the electrostatic drivers. To achieve higher vocal performance at flagship level, FiiO has developed a specially designed Midrange Enhanced Balanced Armature Unit in collaboration with Knowles. 
The rear cavity of the Balanced Armature drivers has been designed with acoustic ports that provide more energy to the Balanced Armature Unit in the midrange to further exploit the benefits of the driver. The overall result is lush, smooth vocals that make the singer's seductive voice seem as if it's really right next to you. 

Dynamic driver with lithium-magnesium alloy High-resistance material surpassed only by beryllium 
The lithium-magnesium alloy is light, stiff and has a density of 1.6 g/cm3 - an ideal material for the diaphragm of a dynamic driver, surpassed only by beryllium. When reproducing high-frequency signals with fast vibrations, the lithium-magnesium alloy diaphragm has excellent mechanical properties thanks to its high internal damping, resulting in significantly lower natural frequency resonance and distortion. The distortion must not exceed 0.2%, which enables a really clean sound. 

The patented acoustic design of the S.Turbo 
Inspired by the turbos in super sports cars, the FiiO Acoustic Center has carefully developed the patented S.Turbo acoustic design. It cleverly channels sound through a turbo-shaped structure to boost the bass and make it robust and deep. 
At the same time, excess mid and high frequencies are filtered out of the dynamic driver to ensure a smooth transition between low, mid and high frequencies for a powerful and full sound. 

Resonant cavity, acoustic balance 
The rear cavity of the FX17 has been optimized for better sound. By damping with ports that are half the diameter of 0.2 mm, the FX17 precisely controls the airflow to achieve balanced air damping between the front and rear cavities of the dynamic driver. This not only improves the Q-factor and amplitude of the dynamic driver, but also increases the extension of the low frequencies and the clarity and transparency of the mid frequencies. 

Electronic and physical five-way crossover 
On the FX15s there is a switch to turn the electrostatic drivers on and off, proving that they are not just for decoration but are also important for a wide high frequency range. Many audiophiles have already experienced the high-resolution travel that electrostatic drivers are capable of. The FX17 increases the number of electrostatic drivers responsible for handling frequencies above 6 kHz to 8 per side, reducing power requirements. The FiiO FX17 also uses a five-way electronic and physical crossover with two systems to precisely control the drivers. This not only ensures a smooth frequency response curve, but also a flat impedance curve for wider customization. Such a crossover ensures a balanced energy distribution and smooth transitions between the drivers, both at low and high volumes. 

Pure titanium construction
The FX17 is characterized by a minimalist aesthetic, with a classic and naturally curved cavity. 
The FX17's ear cup cavity is made from high-density, high-strength titanium, precision milled from a single block and carefully polished by hand. It is treated with Vapor the Position, which hardens the surface and gives it a glossy finish that creates a beautiful interplay of light and shadow. 

Flagship-level optimized wearing ergonomics
  • Sonic nozzle precisely adjusted by 10° - Based on user feedback and scientific research, engineers precisely increased the angle between the sonic nozzles and the wearing surface by 10° along the Y-axis, while keeping the nozzle length unchanged. This allows the IEMs to enter the ear canal at an angle that significantly improves comfort and wearing stability. 
  • Comfortable and snug fit - The new rear ear cup design features a 3D shape, especially in the auricle area. Engineers have conducted hundreds of tests and optimizations to develop a 1.4 mm thick filling protrusion to match the human ear, making the IEM fit more secure and comfortable. 
  • Reduced pressure on the ear - The new design of the posterior cavity has a reduced thickness of approximately 1 mm in the area of the folded shell of the human ear. This design significantly reduces the pressure of the IEM on the ear. In combination with the excellent shell design, the feeling of foreign objects in the ear is eliminated, so that it feels as if there is nothing there. 

Mixed gold, silver and copper cable 
Three different transmission materials are used for the FX17's cable - gold, silver and copper - to utilize the strengths of the different materials. Gold, silver and copper are forged at over 1000 degrees and then refined into crystalline single crystals to remove impurities and reduce transmission loss. Each of the three elements has its own advantages, which together lead to significantly improved sound quality. 
  • Gold - Its high conductivity and low resistance result in faster signal transmission, which enhances bass transients for a truly rippling, powerful sound. 
  • Silver - It is more sensitive in the transmission of high frequency signals. It is characterized by fast transmission speed, low losses, better resolution and ultimately higher resolution. 
  • Copper - is characterized by warm and soft voices. It helps to create a relaxed and natural sound and delivers a wonderfully natural sound image. 

Three interchangeable in-line audio plugs with twist lock
Three interchangeable audio plugs are included with the FX17: 3.5 mm single-ended, 4.4 mm balanced and the Type-C plug with integrated digital decoding and DSP, so you can enjoy high quality audio regardless of the connected device. 
The interchangeable Type-C connector features an integrated DSP audio decoding chip that supports high-resolution PCM up to 32-bit/384 kHz and a balanced output. It also supports a high-precision 8-band PEQ. Using the algorithm developed by FiiO and the FiiO Control APP or the web interface, the PEQ can simulate or correct the frequency response curve of the headphones. You can also export, import, share and save EQ curves. 
Output power: 2x55mW at 16Ohm, 2x30mW at 32Ohm 
Crosstalk -110dB 
Noise floor <0.8µV 
Distortion <0.001% 
SNR <122dB 

Hi-Res Audio certified
The FiiO FX17 is Hi-Res Audio certified as defined by the Japan Audio Society (JAS) and the Consumer Electronics Association (CEA). This is a testament to its ability to reproduce audio exactly as it was intended to be heard.

What`s in the box:
FX17 In Ear headphones 
1x headphone cable - gold, silver, copper, interchangeable plugs (3.5mm, 4, 4mm and Type-C) 
1x Serialized nameplate 
2 pairs of foam earplugs -M- 
3 pairs of bass earplugs S/M/L 
3 pairs of balanced earplugs S/M/L 
3 pairs of vocal earplugs S/M/L 
2 pairs of double flange earplugs -M- 
3 pairs of HS20 liquid silicone earplugs S/M/L 
3 pairs of HS20 liquid silicone earplugs S/M/L ear tips S/M/L 
3 pairs SpinFit ear tips S/M/L 
3 pairs HS18 ear tips S/M/L 
1x Magnetic wire hanger 
1x Cleaning brush 
1x MMCX quick release tool 
1x Cleaning cloth 1x HB5 carrying bag 
1x FX17 box 
1x Quick start guide 

Specifications 
Headphone type: Dynamic-BA-Electrostatic hybrid in-ear monitor 
Driver per channel: 1x10mm lithium-magnesium alloy, dynamic diaphragm, 4xCustom-made Knowles Balanced Armature, 8x Sonion Electrostatic 
Frequency response: 8Hz-40kHz 
Impedance: 16 Ohm/mW@1kHz 
Sensitivity: 104dB/mW@1kHz 
Headphone cable: 8 strands with a total of 360 wires consisting of a mixture of gold, silver and copper 
Cable length: approximately 1.2m 
Weight of single side unit: approximately 12.2g (without cable) 
Headphone connection: extended MMCX 
Audio plug: straight, interchangeable twist-lock plugs
InEar Typ: Standard
Kabellänge: 1,20 m
Stecker: 3,5mm, 4,4mm, USB Type C
Informationen zum Hersteller
Hybrid 13-driver flagship in-ear headphones 
  • 1DD, 4BA and 8EST design on each side
  • Eight electrostatic Sonion drivers 
  • Four custom Knowles BA drivers 
  • Dynamic driver with 10mm lithium-magnesium alloy diaphragm 
  • Electronic and physical five-way crossover 
  • Patented S.Turbo acoustic design
  • Titanium construction with gold, silver and copper cables 
  • Exclusive serial number nameplate 
  • Three interchangeable Termination audio plugs included
  • 22 Pairs of Ear Tips including SpinFit, FiiO HS18 and FiiO HS20 Tips
  • Hi-Res Audio Certified

What you have in front of you now is the masterpiece of FiiO acoustics. 
This custom-built acoustic device is the result of 18 years of acoustic experience. It combines the best acoustic technology, embodies an unobtrusive design aesthetic and interprets the ideal sound in your heart. 
The essence of 18 years is united in a creation in which all sounds flow together, just for you. 

1DD 4BA 8EST design per side
To achieve the best possible sound quality, the FX-17 features a design with one dynamic driver, 4 balanced armature drivers and eight electrostatic drivers per side. 
A five-way crossover has been precisely tuned to balance the energy distribution between the drivers and ensure that each unit operates in its optimum state, resulting in a wider soundstage and a more natural sound. 

Eight electrostatic drivers for a truly airy feel
Electrostatic drivers have exceptional high frequency extension, easily reaching 50 kHz, and a feeling of airiness, giving the listener a wider soundstage. 
The downside is that their sensitivity is only 99 dB/mW, which is low compared to the 110 dB/mW sensitivity typically found in balanced armature and dynamic drivers, resulting in a masking effect. Therefore, the FX-17 uses 8 electrostatic units to increase the sound pressure level and make the electrostatic drivers audible as they handle the high and ultra-high frequencies above 6kHz and are not just for decoration. 
* The masking effect refers to the phenomenon that the sensitivity of human hearing to high frequency signals is reduced in the presence of loud low frequency signals. 

Four customized Knowles BA drivers
The FiiO FX17 uses 2 Knowles Balanced Armature drivers, which are responsible for the mid and high frequencies. Each of the composite balanced armature driver units is divided into two parts, with one part responsible for the mids and the other for the mid and high frequencies. This results in denser mids and a more transparent sound and allows a seamless transition to the electrostatic drivers. To achieve higher vocal performance at flagship level, FiiO has developed a specially designed Midrange Enhanced Balanced Armature Unit in collaboration with Knowles. 
The rear cavity of the Balanced Armature drivers has been designed with acoustic ports that provide more energy to the Balanced Armature Unit in the midrange to further exploit the benefits of the driver. The overall result is lush, smooth vocals that make the singer's seductive voice seem as if it's really right next to you. 

Dynamic driver with lithium-magnesium alloy High-resistance material surpassed only by beryllium 
The lithium-magnesium alloy is light, stiff and has a density of 1.6 g/cm3 - an ideal material for the diaphragm of a dynamic driver, surpassed only by beryllium. When reproducing high-frequency signals with fast vibrations, the lithium-magnesium alloy diaphragm has excellent mechanical properties thanks to its high internal damping, resulting in significantly lower natural frequency resonance and distortion. The distortion must not exceed 0.2%, which enables a really clean sound. 

The patented acoustic design of the S.Turbo 
Inspired by the turbos in super sports cars, the FiiO Acoustic Center has carefully developed the patented S.Turbo acoustic design. It cleverly channels sound through a turbo-shaped structure to boost the bass and make it robust and deep. 
At the same time, excess mid and high frequencies are filtered out of the dynamic driver to ensure a smooth transition between low, mid and high frequencies for a powerful and full sound. 

Resonant cavity, acoustic balance 
The rear cavity of the FX17 has been optimized for better sound. By damping with ports that are half the diameter of 0.2 mm, the FX17 precisely controls the airflow to achieve balanced air damping between the front and rear cavities of the dynamic driver. This not only improves the Q-factor and amplitude of the dynamic driver, but also increases the extension of the low frequencies and the clarity and transparency of the mid frequencies. 

Electronic and physical five-way crossover 
On the FX15s there is a switch to turn the electrostatic drivers on and off, proving that they are not just for decoration but are also important for a wide high frequency range. Many audiophiles have already experienced the high-resolution travel that electrostatic drivers are capable of. The FX17 increases the number of electrostatic drivers responsible for handling frequencies above 6 kHz to 8 per side, reducing power requirements. The FiiO FX17 also uses a five-way electronic and physical crossover with two systems to precisely control the drivers. This not only ensures a smooth frequency response curve, but also a flat impedance curve for wider customization. Such a crossover ensures a balanced energy distribution and smooth transitions between the drivers, both at low and high volumes. 

Pure titanium construction
The FX17 is characterized by a minimalist aesthetic, with a classic and naturally curved cavity. 
The FX17's ear cup cavity is made from high-density, high-strength titanium, precision milled from a single block and carefully polished by hand. It is treated with Vapor the Position, which hardens the surface and gives it a glossy finish that creates a beautiful interplay of light and shadow. 

Flagship-level optimized wearing ergonomics
  • Sonic nozzle precisely adjusted by 10° - Based on user feedback and scientific research, engineers precisely increased the angle between the sonic nozzles and the wearing surface by 10° along the Y-axis, while keeping the nozzle length unchanged. This allows the IEMs to enter the ear canal at an angle that significantly improves comfort and wearing stability. 
  • Comfortable and snug fit - The new rear ear cup design features a 3D shape, especially in the auricle area. Engineers have conducted hundreds of tests and optimizations to develop a 1.4 mm thick filling protrusion to match the human ear, making the IEM fit more secure and comfortable. 
  • Reduced pressure on the ear - The new design of the posterior cavity has a reduced thickness of approximately 1 mm in the area of the folded shell of the human ear. This design significantly reduces the pressure of the IEM on the ear. In combination with the excellent shell design, the feeling of foreign objects in the ear is eliminated, so that it feels as if there is nothing there. 

Mixed gold, silver and copper cable 
Three different transmission materials are used for the FX17's cable - gold, silver and copper - to utilize the strengths of the different materials. Gold, silver and copper are forged at over 1000 degrees and then refined into crystalline single crystals to remove impurities and reduce transmission loss. Each of the three elements has its own advantages, which together lead to significantly improved sound quality. 
  • Gold - Its high conductivity and low resistance result in faster signal transmission, which enhances bass transients for a truly rippling, powerful sound. 
  • Silver - It is more sensitive in the transmission of high frequency signals. It is characterized by fast transmission speed, low losses, better resolution and ultimately higher resolution. 
  • Copper - is characterized by warm and soft voices. It helps to create a relaxed and natural sound and delivers a wonderfully natural sound image. 

Three interchangeable in-line audio plugs with twist lock
Three interchangeable audio plugs are included with the FX17: 3.5 mm single-ended, 4.4 mm balanced and the Type-C plug with integrated digital decoding and DSP, so you can enjoy high quality audio regardless of the connected device. 
The interchangeable Type-C connector features an integrated DSP audio decoding chip that supports high-resolution PCM up to 32-bit/384 kHz and a balanced output. It also supports a high-precision 8-band PEQ. Using the algorithm developed by FiiO and the FiiO Control APP or the web interface, the PEQ can simulate or correct the frequency response curve of the headphones. You can also export, import, share and save EQ curves. 
Output power: 2x55mW at 16Ohm, 2x30mW at 32Ohm 
Crosstalk -110dB 
Noise floor <0.8µV 
Distortion <0.001% 
SNR <122dB 

Hi-Res Audio certified
The FiiO FX17 is Hi-Res Audio certified as defined by the Japan Audio Society (JAS) and the Consumer Electronics Association (CEA). This is a testament to its ability to reproduce audio exactly as it was intended to be heard.

What`s in the box:
FX17 In Ear headphones 
1x headphone cable - gold, silver, copper, interchangeable plugs (3.5mm, 4, 4mm and Type-C) 
1x Serialized nameplate 
2 pairs of foam earplugs -M- 
3 pairs of bass earplugs S/M/L 
3 pairs of balanced earplugs S/M/L 
3 pairs of vocal earplugs S/M/L 
2 pairs of double flange earplugs -M- 
3 pairs of HS20 liquid silicone earplugs S/M/L 
3 pairs of HS20 liquid silicone earplugs S/M/L ear tips S/M/L 
3 pairs SpinFit ear tips S/M/L 
3 pairs HS18 ear tips S/M/L 
1x Magnetic wire hanger 
1x Cleaning brush 
1x MMCX quick release tool 
1x Cleaning cloth 1x HB5 carrying bag 
1x FX17 box 
1x Quick start guide 

Specifications 
Headphone type: Dynamic-BA-Electrostatic hybrid in-ear monitor 
Driver per channel: 1x10mm lithium-magnesium alloy, dynamic diaphragm, 4xCustom-made Knowles Balanced Armature, 8x Sonion Electrostatic 
Frequency response: 8Hz-40kHz 
Impedance: 16 Ohm/mW@1kHz 
Sensitivity: 104dB/mW@1kHz 
Headphone cable: 8 strands with a total of 360 wires consisting of a mixture of gold, silver and copper 
Cable length: approximately 1.2m 
Weight of single side unit: approximately 12.2g (without cable) 
Headphone connection: extended MMCX 
Audio plug: straight, interchangeable twist-lock plugs
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NT Global Distribution GmbH
Waller Heerstr. 104
28219 Bremen
Deutschland
www.nt-global.de
info@nt-global.com