FiiO - FD3 Pro (Unboxed)

IEM With Acoustic Prism System
Sale price₹ 9,999 Regular priceMRP: ₹ 14,999
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V-Shaped Sound Signature

Wired Earphones with a V-Shaped sound signature present an exciting and energetic listening experience with punchy bass and a sparkling shine. Listening to music on headphones with a V-shaped sound signature is stimulating as the audio seems brighter and pleasing to our ears. This happens because the booming bass and sparkling highs are the great formulae for breathing a new life into your music. This sound signature is preferred by music listeners favouring an exhilarating sound and is well suited for music genres like Rock, Pop and Bollywood.

1 Year of

Ideal for Commuting

If you’re someone who enjoys listening to music while commuting, then you know the value of a good pair of earphones/IEMs. These earphones/IEMs allow you to listen to your favourite track or block out the world for a focused podcast listening experience.

You can expect these earphones/IEMs to offer a seamless connectivity experience. They are lightweight in design and provide noise isolation as an added functionality.

Ideal for Audiophiles

These earphones/IEMs are designed for discerning music lovers. If you are someone who cares about audio quality deeply, you'll want a pair of earphones/IEMs like these. You can expect them to present a Hi-Fidelity listening experience.

The audio quality exhibited by these earphones/IEMs is a beautiful mix of musicality, technical brilliance and high precision. These earphones/IEMs deliver a spacious and open soundstage with utmost clarity and detail. Delve into pure sonic bliss with these earphones/IEMs!

Best Suited for Portable Use

The ability to carry your favourite earphones/IEMs around is priceless for those who value them. These earphones/IEMs offer the ultimate portability experience without sacrificing sound quality. 

If you’re someone who appreciates cutting-edge engineering, quality sound and portability, look no further. These earphones/IEMs are designed to be trusty companions and are cleverly engineered with the latest technology to offer the ultimate combination of Portability & Hi-Fidelity.

12mm Dynamic

Replaceable Cables

A pair of headphones with a replaceable cable has many benefits, and one of them is if the connecting cable has a problem, it doesn’t mean that you have to buy a new one. If the connecting cable gets pulled or damaged, you can replace it and keep using your good-old headphones or IEMs. This way, your headphones will be protected and will last longer. With the advancements in cable manufacturing, you now get a variety of replacement cables with various termination options, lengths and quality.

2.5mm & 4.4mm
Balanced Plug

Works with Android & iOS

One thing all of our phones have in common is that they have replaced the portable media player. These headphones and devices are perfect to pair with your Android and iOS devices and offer functionality previously unknown. If you’re someone who usually switches between a variety of devices with different OS, then these are suited for you. You can expect these headphones and devices to connect seamlessly without any hassle and even offer OS-specific functionality depending on the device. Headphones and devices designed to work with Android and iOS come in wired and wireless formats. Quite often you will also find Hi-Fi equipment offering direct connectivity to devices with Android and iOS to simplify the connectivity process.

Tangle-Free Cables

Every time you reach for earphone/IEM cables to connect them to your earphones/IEM, no matter how neatly you "wrapped" them up, they end up in a giant Gordian knot of frustration. Tangled cables are the bane of modern existence, and everyone owning a wired pair of earphones/IEM can attest to this.

With advances in cable-making techniques and radical approaches to manufacturing, there are now several solutions to this universal problem. You get Flat cables, Mesh Design cables, cables coated with exterior covers and cables designed with a zipper style design to avoid Tangle and attempt to solve the issue.

Super Lightweight

Headphone Zone Certified Unboxed Units

Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.

Customer Returns

Returned headphones are fully functional products that have left the warehouse and therefore can no longer be sold as new as their packaging has been opened. The product may have been used once or twice by the customer who returned it.

Transit Damages

Sometimes we receive headphones in damaged packaging due to shipping accidents. These are brand new headphones with cosmetic flaws on the packaging.

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Since you won't get the original packaging, we give you a good discount compared to a new headphone.

Professionally Inspected

A thorough inspection means you receive a 100% working headphone with no sound output issues.

Original Warranty

All unboxed headphones carry the same warranty period as a brand new headphone would.

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Unchanged Replacement Policy

Received a defective Unboxed unit? Return it under our Replacement Policy.

All Original Accessories

The unboxed headphones itself comes with all original accessories.

1 Year Warranty

Don't sweat it, this FiiO - FD3 Pro (Unboxed) comes with a 1 Year warranty from FiiO that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about FiiO's warranty in India.

Customer Reviews

Based on 14 reviews
Harisankar (Kottayam)
Design and Comfort:
Sound Quality:
Value for Money:
Not at all
Big, Bold and Breathtaking! (with the right Dap)

Pros: 1) Wide soundstage
2) Upfront, Bold and Dynamic Sound Signature
3) Great with orchestral music and bassy pop songs
4) Details
5) Great cable for the FD3 Pro
6) Lots of useful accessories in the package
Cons: 1) A bit uncomfortable to wear (personal)

To Note : My review is strictly for Fiio FD3 Pro and strictly based on my use with Hiby R3 Pro Saber DAP. FD3 Pro was brought with my own money and hence the review is completely my own unbiased thoughts

I have recently brought a Fiio FD3 Pro and paired it with Hiby R3 Pro Saber Dap (through 2.5mm balanced port).

The sound that came out of the FD3 Pro through my set up was big, bold, energetic and detailed to keep it simple . I used the stock red tubes with small vocal tips and also tinkered a bit with MSEB tuning in the Hiby. However, I never touched the equalizer.

The mids of the FD3 Pro (through my set up) was forward, warm and lush. Bass was punchy and strong but never overpowering the other frequencies . The treble was smooth yet still detailed but not sibilant. Some of the best music I enjoyed through the FD3 Pro were music with large amounts of instruments (orchestral music mostly) and also energetic pop songs. Soundstage was more wide than deep and I could easily distinguish between extreme left, left, centre image, right and extreme right. Imaging within the soundstage was also pretty good.

Edit: I tried the black tuning filters. They made the sound too bright for me

Some tracks I listened to
1) AR Rahman music (Mudhalvan, Alai Payuthe, Jeans etc)
2) Durum - Kate Linn
3) Casanova- Allie X
4) Beat the Devil's Tattoo - BRMC
5) Animals - Maroon 5
6) Sgt Peppers Lonely Hearts Club Band - Beatles

My MSEB settings for Fiio FD3 Pro
Bass Extension: +15
Bass thump: +10
Note thickness: +10
Vocals : +10
Female Overtones : +15
Air: +15

Hey Harisankar,
We thank you for this lovely review & we are glad you are enjoying it! Keep the music playing.

Arnav Kapoor (Bhubaneswar)
Design and Comfort:
Sound Quality:
Value for Money:
Not at all
Excellent VFM iem

New mid tier iem from fiio
Build quality and accesories package 5/5
Fit/comfort 4/5
Modular cable 5/5
Black filter sounds best, the stock red filters make the sound aggressive and has some bass bloat,treble is lacking. Changing to black makes the bass controlled, fast, crisp and accurate, with significantly better treble response.
All frequencies below are WRT black filter
Lows : well controlled, great kick to subbass, fast, accurate 4/5
Mids : good texture and layering, not the best point of this iem but very good for the price 3.5/5
Highs : airy, sparkly, non sibilant, crisp
Soundstage : semiopen design, excellent especially wrt form factor 4.5/5
Imaging 3.5/5
Isolation : pretty good 4/5

Very difficult to beat at this price point especially if you enjoy single DD iems.
The timbre of the sound is very musical, coherent.
Definitely benefits from amplification/better sources.
The overall package with all accessories is value for money.

HI Arnav,
We thank you for this lovely review & we are glad you are enjoying it! Keep the music playing.

Gaurav Pardeshi (Nagpur)
Design and Comfort:
Sound Quality:
Value for Money:
Not at all
Let them burn and some more.

I own KZ ZS10 pro, Samson SR850 with Fiio BTR5 and now this Precious Gem 💎.

Burning this FD3 Pros last few days, they are still getting better day by day. Using them with balanced interchangeable pin. Didn't like the balanced and bass eartips, sound difference was noticable just were not comfortable for long time. Vocal eartips are way more comfortable and sound quality overall is good too. Red ring nozzle kind of increase the soundstage for me, but black ring nozzle was better in every other way, with decent sound stage too. Following are my observations:

Pros :
1. Base quality is way better than previous equipment i have.
2. High frequencies are rolled off, ssses and tees are pleasent to hear.
3. The semi open design feels like you are not listening to an iem, they feel like my Samson SR850s(with replaced extra confy earpads !) Yes there is lack of proper isolation but it is worth it.
4. They look just ❤️, build quality is awesome.
5. Sound fidelity is great. You can hear the room if recording is good enough. That should suffice for audio quality.
6. Love the case too.
7. Classical music sounds noice through them.

Cons :
1. Some amount of Microphonics from cables, which i didn't thought would be the case with such expensive iems.
2. I have big ears, but still sometimes the part of iem where there is mesh to make them semi open touch my ears. For people with mid size or small ears, that could cause issues.
3. The base and balaced tip material is weird, my ears start itching in 20 to 30 minutes.
4. Imaging is slightly less good compared to other aspects.
5. The all metal body gets chilly in cold weather, just warm them up before plugging them in your ears.
6. Rarely shouty.

I would not suggest to get this as 1st iem, try some cheaper chifi options to get familiar with high res audio. If you can hear the difference in audio fidelity, and crave more of it, then sure, just go for it.

Thanks a lot for your detailed and genuine feedback, we're glad that you have such positive thoughts about the product and we'll share your thoughts with the brand as well. It'll also help our fellow customers to make the right choice!