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Fiio tunes with a variation of the v shaped harmonish tuning philosophy but this time around the mids do not take a step back nor does the treble stand on its own. This design brings several advantages beside the improvements to the sound performance, such like hear protection by balancing the air pressure within the FD3 leading to less pressure on your eardrums. FiiO implemented the replaceable tuning nozzle in the flagship FD5 that is being followed here by the FD3.
And with this combination i have thoroughly enjoyed the well rounded and full bodied mids blending nicely together with the bass and the highs. The FD3 came in a rectangular fancy looking black box with that features the product illustration in form of an iridescent (shimmering) drawing on the top along with some Hi-Res Audio brandings. While it sits between the entry-level FD1 and the flagship-level FD5, it shares much more in common with the latter both in terms of tuning and technology. It’s a robust design that didn’t neglect style and, once again, those IEMs look as good as they sound. It uses pretty much the same exact shape both utilizing prism baffles and tuning nozzles with a semi open design.Magnesium aluminum alloy CNC machined housing with top quality design and aesthetics, Semi open design throws out a wide big stage. The actual sound is more peppy in the treble on FD3, which has more sparkle and air, while Meteor sounds more smooth and rolled off in the treble. Treble is enhanced using the pro cable and the treble filter which provide the greatest treble energy and sparkle out of all the configurations. to reduce unneeded distortion yet also surprisingly light, allowing the driver to have excellent transient response.
The result is a driver with excellent sound quality and minimal distortion with the added bonus of being ultra-sensitive. The drivers are different and since the new Diamond like Carbon 12mm driver is not coated with Beryllium that savings goes toward the consumer. Instrument separation lack well define space, positioning is very hard to achieve and layers tend to mix togheter in a thick opaque and saturated way, making the result slightly holographic but in a messy way. The V-shape does become more pronounced with the treble nozzles as well, and so I settled back on the bass nozzles in conjunction with the wide-bore tips as providing the best balance overall. The inclusion of the MMCX tool is extremely welcome, and in my opinion other manufacturers should take a page from FiiO’s book here as it makes life significantly easier when changing cables.You mention it has a pretty dull tuning overall while at the same time claiming that it is tuned by Fiio while keeping the fun factor in mind. Bass: As mentioned above, the bass is extremely percussive in character, and is given a quite healthy boost in quantity in addition to its excellent extension. A hybrid quad-drivers with a lovely magnesium-aluminum shell and punchy lows which made them pretty lively. The engineers of FiiO have installed a conical device close to the front end of the drive diaphragm, so that it was possible to precisely control how the sound waves travel in the sound tube, which brings benefits such as eliminations of high frequency standing waves and enhancing the overall sound wave diffusion.
Executive Summary: Fiio FD3/FD3 Pro are the smaller siblings of the FD5, which has been a hit or a miss since the release depending on who you ask. In tracks like: "Anchor - Trace Bundy" and " Ruby Tuesday - Franco Battiato" you seem to miss out on the desired experience of the midrange quite a bit.
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 it exceptionally light, making it easier and more pleasurable to carry around. TIMBRE is gently bright, with condensed texture and good density, timbral balance is cohesive in a opaque way and transparency is rather non-existent. The level of airiness and sparkle is on a sufficient level when I do listen to songs with strings and pianos or to soprano vocals. While the FD3 Pro comes with a heavier, 8-strand 152-core Litz structure silver-plated monocrystalline copper cable with interchangeable termination plugs.
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