FiiO FD15 Dynamic Driver Wired In-Ear Monitor Headphones - Racing Silver
FD15 - Dynamic IEMs
13.8mm large dynamic driver | Magnalium diaphragm DLC gasket driver W-shaped gasket | 1.5T magnetic flux | Frontal acoustic prism "Tesla Valve" bass enhancement acoustic design | 316L stainless steel shell Furukawa monocrystalline silver + Furukawa monocrystalline silver-plated copper braided headphone cable | Two colors available | Hi-Res Audio Certified
"Robust materials" for a robust sound - Magnalium diaphragm DLC gasket
With the FD15, we are sincerely bringing you into a new realm of sound. The all-new FIIO FD15, as the successor to the FIlO FD5, introduces a truly high-end driver design-a magnalium diaphragm DLC gasket driver. By innovatively combining these two materials, not only does the FD15 deliver a spacious and relaxed natural sound, but it does so while achieving new heights in the reproduction of musical detail for truly transparent sound.
Magnalium diaphragm-a scientifically calculated blend of magnesium and aluminum that features high hardness and low distortion when moved for clear, detailed treble.
DLC gasket- DLC diamond-like carbon is known for being both rigid yet flexible, which means less breakup during movement and ultimately higher-quality sound.
Reinventing sound with FD15 - W-shaped gasket
FIIO's pursuit of acoustic excellence knows no bounds. The FD15 boldly embraces high-end audio design principles by introducing the W-shaped gasket design to earphones. Compared to conventional diaphragms of the same size, the FD15 boasts a 30% increase in effective vibrating area. With a larger effective diaphragm area and greater amplitude, the core acoustic unit can store more sound energy, delivering a denser and more solid listening experience.
- 30% *increase in effective vibrating area
Mid-range vocals, Simply purely good
Quality materials yield quality sound, and HiFi is no exception to this principle. The FD15 features a thoroughly refined mid-range, with genuine innovation in the usage of materials and new technologies. Once again, we strive to adhere to the philosophy of simply providing great, pure sound.
A different kind of "big" - 13.8mm large dynamic driver
The FD15 explores higher levels of core audio performance by increasing the diameter of the dynamic driver to an astonishing 13.8mm. Compared to its predecessor, the FD5, this results in an increase in effective diaphragm area of approximately 40%. Moreover, the larger the dynamic driver, the more air it can push through, thereby improving the efficiency of electroacoustic conversion at its source. This enhancement elevates the overall quality and scale, allowing mid-frequency vocals to feel as if they are right next to the ear.
- Effective diaphragm area increased by 40%
A "sound" entry into excellence - ?8.6mm long voice coil
Based on perfessional design principles, the voice coil diameter of the FD15 has been increased from the FD5's ?6.2mm to ?8.6mm. The longer voice coil copper wire directly enhances efficiency and power capacity, resulting in improved transients. The result is a cleaner, more natural sound that fully allows you to fully appreciate its charming mids.
- 1.38 Voice coil 1.38 times of the FD5's
- 78% Resulting in a 78% increase in driver power
Reliable enough - 1.5T external magnet design
The driver structure is of course one of the most important parts of a dynamic driver earphone. The FD15 draws inspiration from innovative acoustic concepts and adopts a powerful external magnet design. The magnet volume has increased by about 69.5%, and the magnetic flux density can reach up to 1.5T. This abundant and uniform energy supply ensures that this high-end driver consistently works well.
- Magnet volume increased by 69.5%
- Magnetic flux density achieves up to 1.5T
Deeper bass, for an emotionally deeper experience - "Tesla Valve" bass enhancement acoustic design
Inspiring new acoustic thinking, with special attention to immersive bass. The FIlO FD15 takes the lead by incorporating the F.T.B.S. 'Tesla Valve' bass enhancement acoustic design. Thanks to the high-precision powder metallurgy process used in creating the FD15, the length, angle, and quantity of channels within the earphone cavity are specially calculated to achieve a Tesla valve fluid structure that significantly enhances bass extension. Experience truly deep yet detailed bass.
Greatly detailed for a truly high-end listening experience, frontal acoustic prism
Within the FD15 is a frontal acoustic prism, which not only retains the widely acclaimed vocals from the FD5 but also helps to adaptively adjust the all-new driver and enhances high-frequency diffusion. Specifically, engineers have added a specially designed acoustic filtering device at the front of the driver. When sound waves pass through, this acoustic device effectively addresses the subtle sound delay caused by different sound wave paths, achieving adaptive phase consistency and thus precise control over sound waves.
Specially optimized, with an emphasis on vocals Conversation with an FD15
"The FD15, in my opinion, is one of FIIO' s most balanced in-ear monitors, vocals-wise. But why do I say that? Because it produces a dense, perfectly lush vocal performance. It magnetically captures the voices of both mid-range and low-frequency singers, truly conveying the emotions within the voices without sacrificing resolution. With i ts large dynamic driver unit and structural design, the FD15 delivers deep and cohesive bass - making instruments like drum sound solid and powerful. While it may not be the last word in detail in ultra-high frequencies like the very best multi-driver balanced armature earphones, but in dynamic and complex musical passages the treble remains perfectly clear. The FD15 is also a good example of exhibiting the qualities expected from a magnesium-aluminum driver, with a large soundstage. In summary, if I had to choose one word to describe the FD15, it would be "grand" : grand sense of solidness, grand dynamics, and a grand soundstage."
High-level comfort, thanks to 6.7° Optimized for comfort
All-around excellence, with professional attention paid to every aspect. Besides just achieving high-quality sound, we place great emphasis on long-term user comfort. We continuously improve and optimize the ergonomic design of our headphones to create an enjoyable and enduring high-end Hifi experience:
High-end quality, without the high-end price 316L stainless steel shell
Silver light flashes by, swift as a shooting star. The FIIO FD15 creatively combines a fresh design language with a closed-back acoustic design, utilizing carefully placed design surfaces flourishes to create an elegant and ever-changing play of light and shadow. To achieve this effect, the FD15 is made with 316L medical-grade stainless steel, which thanks to powder metallurgy sintering means the IEM is durable. It further undergoes meticulous hand-polishing and PVD electroplating for a premium finish, for a mirror-like visual sensation. Let its texture emotionally resonate with you.
Visibly great, audible awesome
Cut through the markups and get access to affordable high-quality cables. Since being featured with the F3, cables made from Furukawa's high-purity monocrystalline copper have been sought after by audiophiles around the world. The new FD15 also uses these cables, and comes standard with a Furukawa monocrystalline copper + Furukawa monocrystalline silver-plated copper braided cable. The cable consists of four large strands, each made up of 100 copper wires and 20 silver-plated wires for an overall total of 480 wires, which is unparalleled in its class. With a cross-sectional area of 22AWG and having undergone 1050°C high-temperature smelting, the included cable is truly of high- end quality but at an affordable price.
Looks can be important - Two colors available
The FD15 is available in obsidian black and racing silver, two stylish colors for you to choose from. Obsidian black: Subtle yet elegant, a true stable classic Racing silver: Always moving like quicksilver, with thunderous momentum
Multiple flavors, choose to your taste 2 swappable sound nozzles
With the FD15, gain access to more sound profiles. The FD15 comes with two pairs of swappable sound nozzles, allowing you to customize the sound to your tastes and music preferences.
Parts list
Earphones*1
Earphone cable*1
Balanced eartips S/M/L*3 pairs (M pre-installed)
Vocal eartips S/M/L*3 pairs
Bass eartips S/M/L*3 pairs
Foam earips M*2 pairs
HS18 eartips S/M/L*3 pairs
Storage case HB11*1
MMCX quick release tool*1
Cleaning brush*1
3.5/4.4mm swappable plugs*1
Red/Black swappable sound nozzles*2 pairs
Quick start guide*1
Earphone type
Dynamic in-ear monitors
Wearing style
in-ear and around-the-ear
Driver
aluminum-magnesium dynamic driver
Frequency response
10Hz-40kHz
Impedance
320 @ 1kHz
Sensitivity
112dB/mW @ 1kHz
Cable
4 strands totaling 480 wires of Furukawa monocrystalline copper + Furukawa monocrystalline silver-plated copper braided headphone cable
Cable length
about 1.2m
Single unit weight
about 12g (excluding cable)
Earphone connector
expanded MMCX
Audio plug
straight twist-lock swappable plug
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