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  • Stock: In Stock
  • Brand: FiiO
  • Model: FD5
Product Views: 6558

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FIIO FD5 Beryllium-coated + DLC Diaphragm Dynamic Driver 2Pin 0.78mm HiFi In-ear Earphone IEMs


A uniquely timeless industrial design, 2 specially selected high-performance materials diaphragm, 3 revolutionary acoustic design breakthroughs

Newly developed flaship,large 12mm dynamic driver

FiiO has always spared no effort in creating their flagship products. In the FD5 is a newly developed, large 12mm dynamic driver utilizing N52 magnets with a high magnetic flux of 1.5 Tesla-for extremely robust bass and excellent high frequency resolution.

Beryllium-coated surround + DLC diaphragm

We have conducted much research and experimentation when choosing the materials for our new dynamic driver. By combining the use of Beryllium and diamond-like carbon(DLC), we make full use of the physical rigidity and flexibility properties of the materials to reduce unneeded vibration and appropriately damp sound for improved quality. Overall, the frequency response is balanced and distortion is minimized at all frequency ranges.

FD5 diaphragm

Because of its use of rigid DLC material, the diaphragm is more responsive to voice coil movements for less distortion and more accurate reproduction of sound.

High-end audio, inspired acoustic prism

In order to address the issues that come with the time delay between different sound waves, an acoustic prism system was specifically developed for the FD5. This was inspired by similar technology used for adjusting tweeters in well-known high-end audio products.

By installing a conical device close to the front end of the driver diaphragm, we can precisely control how the soundwaves travel in the sound tube-bringing benefits such as eliminating high frequency standing waves and enhancing overall sound wave diffusion.

Anti-standing wave and semi-open design

A "volcanic field" was added to the rear of the FD5 in order to reduce low-frequency standing waves, reduce distortion, and overall improve the diffusion of bass waves throughout the FD5. The FD5 also adopts a semi-open design, which relieves air pressure on the ear - leading to more comfortable and long listening sessions.

A sound you actually

Compared with a multiple-driver IEM, in the FD5 there is only one point from which the sound is produced from a single driver-making for more accurate sound positioning. The flagship-graded dynamic driver and carefully tuned acoustic design also combine to make the FD5 sound wonderfully pleasant to most people’s preferences-a relaxed, natural.

Curves of natural beauty

FiiO's third generation design is based on carefully-designed curves, evoking majestic mountains and wondrous waterfalls. These curves combined with a faceplate offering two distinctly different textures form a sort of “acoustic art" that needs to be experienced in person.

Casting a strong voice with stainless steel

The smooth, luxurious-feeling 3D embossed stainless steel faceplate represents both form and function-while looking striking, the robust stainless steel also reduces the harmonic distortion of sound inside the FD5. The faceplate provides a striking contrast against the chrome finish of the rest of the FD5 as well.

Art and science in harmony

The stunning curved cylindrical design of theFD5 is actually a benefit for acoustics, as such a design greatly reduces unwanted resonances and reflection of sound waves within the body-allowing every last detail of your music to be faithfully reproduced.

Large and small, find something that suits you

Great sound comes from a great fit, which is why the FD5 comes with interchangeable sound tubes in small and large sizes to best fit your ear. The large sound tube is balanced, while the small sound tube presents a lively, more bass-focused sound.

*The small sound tube should be used with the triple-flange ear tips, for deeper insertion and better sound quality.

Interchangeable parts for unlimited possibilities

The included cable is an expanded MMCX design with 8 strands of monocrystalline silver-plated copper cable that perfectly and faithfully reproduces your music. The cable also features interchangeable audio plugs for 2.5mm/3.5mm/4.4mm, you to take advantage of a variety of sources.

Material: high purity monocrystalline silver- plated copper

Wire diameter: single wire 0.08mm, strand 24AWG, entire cable 18AWG

Wire count: 19 per strand, 8 strands, 152 total wires

Structure: Litz Type2, each wire is individually insulated

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

Hi-Res Audio certified

The FD5 is Hi-Res Audio certified, a testament to its highly-detailed, yet rich and lifelike sound.

Accessories worthy of the experience

Even the accessories have been thoughtfully considered for the FD5. The included HB5 storage case dutifully protects your earphones, while the included MMCx clips greatly facilitates detaching the MMCX cables.

*MMCX ASSIST is provided in cooperation with Final Inc.


Model: FD5

Driver: 12mm Beryllium-coated diamond-like carbon(DLC)dynamic driver

Frequency response: 110Hz-40kHz

Impedance: 32Ω@1kHz

Sensitivity: 109dB@1mW

Max input power: 100mW

Cable: 8 strands of monocrystalline silver-plated copper cable

Cable length: 1.2m

Unit weight: about 11g



8 strands of monocrystalline silver-plated copper cable

HB5 storage case


Interchangeable audio jack

Interchangeable sound tube

Bass eartips(S/M/L)

Balanced eartips(S/M/L)

Vocals eartips(S/M/L)

Foam eartips 4

Triple flange tips(S/L)

Cleaning brush

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Free Shipping

All listed items will be shipped through Registered Airmail with tracking number if there is no extra shipping option or shipping description at the product page.

Economy shipping: Will be shipped without tracking number.(because of the covid-19 affects, economy airmail parcel is easy to lose, pls place the order by choosing registered airmail, or you purchase one more product , we can send together via registered airmail)

Registered Airmail : Will be shipped via such as Hong Kong post , Singapore Post, you can leave us a message if you have any requirements about the shipping method .

We can ship the parcel to Canada and Europe countries via tax-inclusive shipping method with extra charge, pls leave us a message if needed.

Express service: Will be shipped via DHL/EMS/UPS/FedEx,Canada and Europe countries will be shipped via tax-inclusive shipping method for free.

Tags: FIIO FD5

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