Fiio FD3/FD3 Pro

DLC Diaphragm Dynamic Driver IEMs

    Powerful 12mm Dynamic Driver With DLC Diamond Diaphragm
    Strong 1.5T Magnetic Flux
    6-Series Aluminum-Magnesium Alloy Cavities
    FiiO’s Patented Air Pressure Relief Technology
    Interchangeable Ear Nozzle
    High-Purity Cable
Regular price €109,00
Sale price €109,00 Regular price

DLC Diaphragm Dynamic Driver

The latest FD3 series of IEMs boasts a large 12mm dynamic driver unit with full-DLC diaphragm material. DLC(Diamond-Like Carbon) is a highly rigid material that also has an extremely lightweight structure that reduces unnecessary vibrations and makes the driver more responsive and clean sounding. It uses strong magnets that produce a strong magnetic flux of up to 1.5T. This helps in a deep-diving lower end and a highly detailed, ultra-low distortion in the high-end frequencies.

Featured Acoustic Prism In The Front Cavity

FiiO FD3 features an acoustic prism in the front cavity. It is fitted close to the front end of the cavity. This helps in precisely controlling the sound waves travel inside the cavity, reducing high-frequency response, and provides an overall sound wave diffusion. It also helps in reducing the distortion in the output and enables the pair to produce a clean output.

Better Sound With Semi-open Design

The semi-open design of the FD3/FD3 Pro on FiiO's patented technology for balanced air pressure within brings several advantages. Not only does such a design lead to more natural sound. but it also effectively protects your hearing by balancing air pressure within the FD3/FD3 Pro leading to less pressure on your eardrums. This makes your listening expenenceless tiring and the sound less forced.

Premium Aluminum-Magnesium Alloy Build

The FD3/FD3 Pro has a simple, yet beautiful appearance based on the theme of curves. The unique celluloid panel is covered with Z5D film coating glass for a pure yet fresh transparent look And the aluminum- magnesium alloy of the body makes the FD3/FD3 Pro exceptionally light, making it easier and more pleasurable to carry around.The aluminum-magnesium alloy main body is made man industrial process combining five-axis CNC processing and hand polishing.

Swappable Tunning Nozzles

FiiO implemented the replaceable tuning nozzle in the flagship FD5 that is being followed here by the FD3 and FD3 Pro too. They both come with two sets of tuning nozzles, one with a thin diameter of the mouth and the other with a wide diameter mouth. The thin diameter nozzle benefits the lower end while the wide diameter nozzle benefits the high frequencies with the FD3 series.

Difference Between FD3 & FD3 Pro

While both the FD3 and FD3 Pro have the same cavity design and structure, the only difference between both pairs is the included cable. FD3 comes bundled with a 4-strand 120-core high-purity single-crystal copper cable with a fixed 3.5mm termination plug. FiiO FD3 Pro comes with a heavier, 8-strand 152-core Litz structure silver-plated monocrystalline copper cable with interchangeable termination plugs. It included 3.5mm SE, 2.5mm Bal, and 4.4mm Bal plugs in the package.

Inside the Box

  • 1 x Fiio FD3/FD3 Pro
  • User Manual

1 Year Warranty

The Fiio FD3/FD3 Pro Comes with a 1 year warranty on the In-Ear Monitors and 3 month warranty on the cable.

Technical Details

Frequency Response

Processing Time

This product is in Pre-order period. Pre-orders are provided for items that have not reached us and will take some time to be shipped out.

Pre-order Period: 7 working days. No cancellation of orders once ordered.


  • No cancellation of orders once ordered.
  • All orders to be shipped out sequentially.

Authentic Products

Linsoul Audio is the authorized distributor. All products are authentic and genuine.

Worldwide Free Shipping

We are located in China but send our products worldwide for free. T&Cs apply.

1 Year Warranty

We provide 1 year warranty for the all products except the cables and accessories*.

Online Support

Need help?, we are here to assist you
Monday - Friday: 09:00 – 18:00 (UTC+8)

Customer Reviews

Based on 5 reviews
Chris Choban
Broken Immediately, Customer Service Was a Nightmare

Broke within two weeks of use, spent months with customer service showing them the issue until finally, they wanted me to pay $40 out of pocket and wait two months for them to look and MAYBE repair it

Dear Customer,

Thank you for your reaching out to us. We are sorry about your problem.

We need your understanding that we have tried our best to apply for a replacement for you,however,based on your situation, we still need your help to send it back for repair.We know this process can be hassle for you, but please believe that we definitely would like to solve the problem in an easier way, and we will not make such a request unless it is absolutely necessary.

Thank you for your support and understanding.

c r
Not good

Sound is not good. Volume is really big, that’s a good start. But there’s no bottom, no mid-range. Just hissy high end. Not good at all.

Hello there,

We are sorry that our product did not satisfy you.

We also believe that sound is very subjective, we will also pass on your valuable feedback to the manufacturer. We believe that we will do better and better in the future.

If you encounter any problems in the future, we sincerely suggest that you contact us via email ( the first time,because we can solve your problems in a more comprehensive way.

Thank you for your support and understanding

Amazing audio and high quality

I got it and it’s great I used them first time worked amazing. Loved the options for other tips and the addition of the tool to remove wires is a great surprise for being able to easily switch between wired and wireless

FD3 Pro, an easy recommendation.

I have been really enjoying this one. This is my first intro to FiiO iems and I am glad I had taken the "chance". FiiO met and exceeded my expectations from packaging to actual sound performance. This is a whole package experience and I feel the price is accurate to reflect that. If you already have a preferred cable then go ahead and skip the PRO model, otherwise grab the pro since it does actually come with a really solid cable with interchangeable connections.

Reviewer avatar
Violet Cold

PROs: build, wide, balanced

CONs: resolution

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30-Day Return Policy

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