[FiiO FD7/FDX] 12mm dynamic driver with its diaphragm using pure beryllium, with an outer-magnet field, up to 1.5 Tesla magnetic flux.
Aug 27, 2021 at 6:48 AM Thread Starter Post #1 of 616

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The all-new flagship earphones are equipped with FiiO's latest flagship pure beryllium diaphragm dynamic driver that features exceptionally swift transient response and remarkably rich sound. This is due to its tremendous rigidity and extraordinary light weight, being 4x more rigid than steel and ¼ of the weight of titanium. Truly experience audio on a whole another level with the beryllium driver of the FDX.
On August 31, 2021, #FiiO 2021 Autumn New Earphones Launch Event# will straightly get to you. Let's stay tuned for it.
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
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Aug 27, 2021 at 7:20 PM Post #3 of 616

XERO1

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You had me at “pure beryllium diaphragm”! 🤩

Oh, and “straightly” 😆

Seriously though, if these have the same tuning as the FD5’s, and if the price isn’t too crazy, these could be legit game changers. 🤑
 
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Aug 27, 2021 at 11:10 PM Post #5 of 616

XERO1

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Aaaaaaand.... they just lost me.

Why FiiO.......Why?!

Looks like I'll be waiting for a de-blingified version to hopefully one day come out.
 
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Aug 28, 2021 at 9:03 AM Post #10 of 616

PcChip

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Aug 28, 2021 at 11:18 PM Post #13 of 616

FiiO

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As FiiO's 14th Anniversary Limited Collector's Edition, the FDX is plated with 24K gold on its shell and inlaid with 60 imitation diamonds delicately in the cupid-cut style.
On August 31, 2021, #FiiO 2021 Autumn New Earphones Launch Event# will straightly get to you. Let's stay tuned for it.
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Aug 28, 2021 at 11:19 PM Post #14 of 616

FiiO

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The FD7 comes standard with a high-purity monocrystalline pure silver cable in Litz braided style, 4 large strands consisting of a total of 224 wires. The wire sheath is made of environmentally friendly medical grade TPU to resist against yellowing after long-term use and against stiffening when in low-temperature environments. All of this is finished in an exclusive black color.
On August 31, 2021, #FiiO 2021 Autumn New Earphones Launch Event# will straightly get to you. Let's stay tuned for it.
 
FiiO Stay updated on FiiO at their sponsor profile on Head-Fi.
 
https://www.facebook.com/FiiOAUDIO https://twitter.com/FiiO_official https://www.instagram.com/fiioofficial/ https://www.fiio.com support@fiio.com
Aug 28, 2021 at 11:52 PM Post #15 of 616

XERO1

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So now it looks like there will be TWO separate models that will use the pure beryllium driver, the gold-and-diamonds FDX and a hopefully more tastefully done FD7.

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