Large 14.2mm dynamic driver | PU gasket + carbon-based diaphragm | Extended bass acoustic resistance pipes | 6 pairs of anti-slip rings included 4-stranded 392 wires total silver-plated monocrystalline copper cable Detachable MMCX cable | 3.5/4.4mm audio plugs included | Diffuse open design Fine-tuned frequency response | CNC aluminum alloy construction

Note: The product layout is for reference only. All products shall prevail.

* Pictures are for reference only. The actual product may vary.

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Specially-tuned frequency response curve

“The frequency range of the female voice is from 160 Hz ~ 1.2kHz. The FF5 was designed as a pair of earphones designed to focus on female vocals, and not so much on heavy bass. Thus, much care was taken around the representation of the female voice’s frequency range and pitch. We specifically controlled the resonance at 127 Hz in order to prevent vocals from feeling muddy and boomy, while appropriately increasing the 2kHz ~ 4kHz frequency range to make female voices clearer, more transparent, and more prominent. Thanks to the light weight of carbon fiber, the FF5 has excellent treble performance, allowing the overtones of vocals, guitars, cymbals, violins, and other instruments to clearly come through in a more nuanced and layered sound.”
——Joseph
Chief Engineer Of FiiO IEMs R&D Center

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Less weight, greater materials
1CNC aluminum alloy construction

The FF5 is made of aluminum alloy, commonly used in other high-end earphones, to reduce weight while maintaining high durability. A single ear unit only weighs 3.4g – allowing the FF5 to simply disappear in your ear and let you be fully immersed in your high-fidelity music.

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FiiO has always been a user-oriented company. Some users prefer to use anti-slip silicone rings when using earbuds. Thanks to their feedback, included with the FF5 are not only three types of sponge covers, but also molded anti-slip silicone rings. The total of 6 anti-slip silicone rings come in M/L sizes, and provide a better seal for more extended bass while maintaining high resolution in the other parts of the frequency response.

Attention to details for great sound
Included anti-slip silicone rings

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Like a flower in bloom with its many layers of petals, a carefully tuned earphone can reveal many layers in the music.
Inspired by flower petals, the FF5 features a design that is both beautiful and functional. The FiiO development team aimed to reduce unwanted reflections and vibrations within the shell of the FF5, leading to the development of a diffuse open design featuring an acoustic damping device that allows some of the air pressure within the earphone to diffuse to the outside – resulting in less unwanted internal reflections and standing waves, resulting in purer sound and improved bass response.

 

Beautiful like a blossoming flower

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Newly developed dynamic driver with carbon-based diaphragm

The FF5 is an earbud that eschews the traditions of its form factor, and features a specially-developed large 14.2mm dynamic driver that employs an innovative carbon-based diaphragm. Specifically, the driver features a PU gasket plus a carbon-based diaphragm that allows the driver to be both lightweight yet highly rigid. This results in a sound with quick transients and excellent treble resolution thanks to the driver construction minimizing non-linear distortion by mitigating unwanted driver movement.

 

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Standard 4-stranded 392 wires total silver-plated monocrystalline copper cable
Totally focused, with an emphasis on female vocals

The FF5 comes standard with a silver-plated monocrystalline cable. 14 wires are braided into a small strand, and 7 small strands are braided together into a large strand – resulting in 4 large strands with a total of 392 wires. More wires significantly increase the cross-sectional area of the wires in the cable, for enhanced transmission rate and stability. The Litz braiding reduces the skin effect, which also further helps transmission rate by enhancing conductivity. Thanks to the factors mentioned above plus the excellent materials, compared to typical cables, the FF5 cable features significantly improved treble resolution that allows for a highly detailed yet nuanced sound.  

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We found that there are very few earbuds with detachable cables, greatly reducing the usability of those earbuds if something were to happen to the cable. The FF5 features a MMCX detachable cable, allowing you to replace broken cables or experiment with different cables made of various materials.

 

In addition, the FF5’s cable features swappable audio plugs, allowing you to freely change between the included 3.5mm/4.4mm plugs at will to suitably match your source!
 

*Interchangeable audio jack is officially licensed from the patent by FABRILOUS

 

True freedom, changing whenever you want
Detachable cable, Swappable plugs

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Wearing style: Earbud
Driver: Single dynamic
Frequency response: 20Hz-20kHz
Impedance: 45Ω@1kHz
Sensitivity: 106dB/mW@1kHz
Cable: 4 strands, 392 wires total high-purity silver-plated monocrystalline copper
Cable length: about 1.2m
Weight: about 3.4g (excluding cable)
Earphone connectors: expanded MMCX
Audio plug: 3.5mm SE/4.4mm balanced

Basic Specifications

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①------------------------------------------Carrying case HB1*1 ②------------------------------- - 4.4mm detachable cable*1 ③---------------------------------3.5mm detachable cable*1 ④----------------------------------------------------MMCX tool*1 ⑤---------------------------------------------------------Manual*1 ⑦-----------------Anti-slip silicone rings M*3 pairs (black) ⑦------------------Anti-slip silicone rings L*3 pairs (clear) ⑧-------------Treble sponge covers*6 pairs (open holes) ⑨-----------------------Bass sponge covers*6 pairs (thick) ⑩------------------Balanced sponge covers*6 pairs (thin)

Abundant accessories 

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With every new product is an opportunity for new innovations! With every new generation of earbuds, much experimentation goes on in order to ensure that the performance is a truly at least a step ahead of the previous generation. Compared to typical in-ear monitors, more care has to be taken when designing an earbud in order to ensure great sound.
After much experimentation, FiiO developed acoustic resistance pipes in the FF5 that help to increase and extend bass response. When the driver diaphragm vibrates, the air pressure that results is diverted to these acoustic resistance pipes, reducing the resonance in the lower frequencies, allowing you to hear more extended and well-textured bass.

Extended bass acoustic resistance pipes

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