1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.

    Dismiss Notice

Drop + JVC HA-FDX1 Dual Carbon IEM...available in the US!

2 3 4 5 6
  1. CEE TEE Contributor
    Hello Everyone! VERY excited to make this post.

    I'm able to announce our new collaboration with JVC:

    We've been working hard to start getting some samples out and I'll update here more as we go (reserving some posts).

    You will see some impressions here from community members, even before the pre-sale begins on 9/5/2019!
    Drop Stay updated on Drop at their sponsor page on Head-Fi.
    https://www.facebook.com/massdrop https://twitter.com/massdrop https://www.massdrop.com/?clickid=3QR3Ib27lyA-VkBRJwyGuQJeUkhUQvX5r0tLzQ0&utm_term=252901&utm_content=VigLink&utm_medium=affiliate&utm_source=impactradius&irgwc=1
    XERO1, Otto Motor, tomscy2000 and 2 others like this.
  2. CEE TEE Contributor
    Graphs from Jude! RAW, uncompensated. (With Harman Target for comparison.)



    Last edited: Aug 20, 2019 at 3:22 PM
    Drop Stay updated on Drop at their sponsor page on Head-Fi.
    https://www.facebook.com/massdrop https://twitter.com/massdrop https://www.massdrop.com/?clickid=3QR3Ib27lyA-VkBRJwyGuQJeUkhUQvX5r0tLzQ0&utm_term=252901&utm_content=VigLink&utm_medium=affiliate&utm_source=impactradius&irgwc=1
    XERO1 and amekan47 like this.
  3. CEE TEE Contributor
    Drop Stay updated on Drop at their sponsor page on Head-Fi.
    https://www.facebook.com/massdrop https://twitter.com/massdrop https://www.massdrop.com/?clickid=3QR3Ib27lyA-VkBRJwyGuQJeUkhUQvX5r0tLzQ0&utm_term=252901&utm_content=VigLink&utm_medium=affiliate&utm_source=impactradius&irgwc=1
    tomscy2000 likes this.
  4. shotgunshane Contributor
    What is the FDX1 and how is it different from (or the same as) the FD01?

    The Drop FDX1 is essential the same as the FD01 with minor changes and community tuned filters.
    • Same dual carbon 11mm driver (DLC diamond like carbon inner dome and black carbon outer ring)
    • Same great pleather JVC magnetic case
    • Same great robust OFC cable; On the slightly thicker, heavier side, yet very soft and pliable; virtually memory free with excellent tangle resistance
    • Same CNC machined Stainless Steel housing minus the knurled ridges; housing is a two piece design that swivels to accommodate wearing up or down and any shaped canal
    • FDX1 ditches the Titanium and Brass nozzles and comes with 3 Stainless nozzles
    • 1 nozzle is empty for stock FD01 tuning and/or modding, and 2 nozzles contain community tuned filters
    • Spiral Dot + tips (the best wide bore tips on the market IME)
    Pre-Sale starts 9/5/19 for $250. FDX1 will be $280 thereafter. Frankly, the FDX1 is a no-brainer at this pricing.


    Most of us find the stock tuning of the FD01 to be too strident. In mid 2018, super friend community mod-wizard James444 presented us with detailed instructions (with measurements) on how to mod the removable nozzles of the original FD01. The results were a smoother, more even response that competed with in-ears double in price and more. The modded FD01 has natural timbre and tonality with great dynamics. It’s got the boogie without loosing the realism. The mod was a hit. Many community members purchased their own sets and began performing the mods to great satisfaction. A few even sold off their more expensive rigs.

    Once I was able to perform the mods on a community loaner set myself, I was so excited with the results, I instantly started blowing up CeeTee’s phone with texts. He needed to hear this and he had to figure out a way to bring this to the masses. There was this one poor guy that loaned his set out to Drop; little did he know how long that loan would last but thank-god he did. I’m not sure how CeeTee and his team pulled this off, but somehow they were able to get JVC to the table and bring this thing to life.

    The first set of prototypes weren’t really close but did show some promise. I was able to compare them with that poor guy’s well modded set. I think he’s been without it for close to a year now. His modded set was then sent to Japan, so the JVC engineers could hear what we were so in love with. The second set of prototypes nailed it. Again, I was able to compare to this poor guy’s set. They were extremely close to his DIY modded set! Was this poor guy going to get his set back now? Nah, a final comparison to pre-production models was going to be the required!

    In early August, I sent James444 an email: IT IS HAPPENING. The pre-production model had arrived. While this time I don’t have that unnamed poor soul’s modded FD01 to compare, I knew the FDX1 was better. Somehow, someway, JVC had figured out a way to tighten the bass up. The slightly hazy bass of the modded FD01 was its biggest criticism. The FDX1 betters the modded FD01 with tighter, cleaner bass (this has been confirmed by a notorious purring cat friend, who compared the FDX1 to that same poor guy’s modded FD01). What was once a criticism is now a strength.


    The two community tuned filters are more similar than different. Basically one sounds a hair smoother, darker (blue) and the other is more lively, energetic (green). The empty filter is ripe for the modding! In general, my preference is for the green set but I do enjoy the blue set as well, particularly on the go in noisy environs.

    The FDX1’s dynamic driver excels in its more life-like timbre when compared to pricier all armature sets. It’s more even tuning also makes it more realistic sounding than the typically more colored and bassier dynamic driver offerings form the competition. Strings and percussion are the FDX1’s forte, highlighting low level nuances easily glazed over. While distortion rock guitars have solid crunch and bite, it’s the drums that I love to get lost in with the FDX1. Vocals are forward and intimate- male vocals are rich with heft, and female vocals are clear and energetic. Staging is better than average. While not as expansive left to right as Andromeda, it sounds open and effortless with a deeper reach front to back. While not as tall as something like Solaris, it’s sounds taller than the typical in-head, in-ear presentation. While single dynamic drivers usually don’t have the separation and layering of multi-armature or hybrid sets, they produce a more organic and natural sound. The FDX1 has plenty of space to breathe around individual instruments and singers, and it does it all while simply sounding effortless.

    via SDAC>Liquid Carbon X (less than 1 ohm OI)
    FDX1 with green filter and Spiral Dot tips

    Massdrop Plus
    (with Mee Audio dual flange tips)
    • Plus has a more diffuse field neutral target tuning
    • Plus has thinner overall note weight
    • Plus middle treble is more present for more brightness and sparkle overall
    • Plus bass tilted to deep bass; FDX1 sounds more balanced in bass with less emphasis in any specific area (deep, mid, upper) in direct comparison; however FDX1 bass feel more elevated overall and is more solid, palpable
    • Plus has quicker bass decay
    • Plus cleaner but less natural sounding
    • Plus vocal placement is similarly forward; male vocals sound thinner but female vocals have more energy than FDX1
    • Plus doesn’t have the same perception of depth; less space around instruments and performers; shorter stage in height
    • Plus transients are faster; distortion rock guitars have more bite and attack; FDX1 is smoother overall

    (with Mee Audio dual flange tips)
    • Andromeda has noticeably faster transients; better attack; FDX1 sounds smoother, warmer
    • Andromeda sounds a good bit more natural than the Plus but still less so than FDX1
    • FDX1 bass is slightly thicker, denser with better texture overall; similar extension
    • Andromeda treble is overall brighter with better presence, better sparkle
    • Andromeda female vocals sound a little more blunted, huskier, less energetic
    • Andromeda is wider sounding, more upfront; similar height but slightly less depth and sense of space front to back
    • Andromeda distortion rock guitars sound bigger, bolder
    • Andromeda is more resolving of background details and treble resolution, whereas FDX1 sounds more nuanced and micro-dynamically resolving in decay of percussion and plucked/strummed strings
    • FDX1 sounds more dynamic and effortless from quiet to loud transitions; whereas Andromeda sounds more enveloping, more surrounding my head with a wall of music

    Parting Thoughts

    The modded FD01 has consistently been a recommendation from me, if a buyer is willing to perform the mods. I’ve long thought the modded FD01 was a bargain at $330-$380 imported from Japan at the time, but the FDX1, with it’s changes and factory mod applied filters, pretty much make it the biggest no-brainer I’ve seen in a long time. For anything less than a used/B-stock Andromeda, it will be my go to recommendation.
    Last edited: Aug 18, 2019 at 12:46 PM
  5. Mkubota1 Contributor
    A Review… sorta. More like a few opinions and observations.

    Good: Excellent resolution, neutral-plus tonality, dynamic driver bass, A+ hardware, and of course- tunability.

    Meh: Nozzles just a tad on the large side, a bit heavy.

    Given: Hardware is functionally identical to the FD01- Same cable, same fit, same isolation, same tip size- even the same carrying case.

    tl;dr: $250 would be a great price for the stock FD01. The FDX1 is better. With the Drop deal you essentially get both with a quick nozzle swap.


    Me: I’m an old guy. I have to take off my glasses to see things up close. I can't hear much past 14KHz. My first decent IEM was the Ultimate Ears Triple-Fi. I also grew up with stuff like the Monster Turbine Pro, Sennheiser IE8, a few random Sony and Audio Technica models, and the JVC HA-FX700.

    Since most sound descriptions mean little without a reference point, I'll leave most of that information down below in the comparisons. And because the FD01 has been out for a while, I won't get into the common aspects of that and the FDX1. I will say that having only heard the FD01 once before this, I was quite surprised at how good of an IEM it is in stock form. But the modded filters really do seal the deal for me. In stock (FD01) form, it does run bright. Keep in mind that I am a life-long, card-carrying member of the Treble Head Club: I listen to my HD800s un-modded. I prefer the HD600 over the HD650. I don't know what all the fuss is about with ESS Sabre DACs. And so on.

    One question that I've heard thrown around: "Is this the IEM version of the HD6XX?" In terms of SQ, it's hard to compare because to me headphones inherently sound different than IEMs. I would say that the FDX1 sounds a bit more analytical and forward than the HD6XX- perhaps more in the direction of the HD600/800. But the HD6XX's true claim to fame is value: For a while it cut the price of its non-Massdrop sibling in half. The problem with comparing the HD6XX to the FDX1 is that the former is still an HD650 at heart. On the other hand, while the FDX1 can be the FD01 if you use the included stock filter, by using one of the other tuned filters (which to many will be seen as mandatory) you are getting something quite different.

    So again, is this the IEM version of the HD6XX? No. That would only be the case if the HD6XX were already modded. What you are getting here is a rather heavily-discounted version of an already excellent IEM that includes additional tuning from the manufacturer, with all that entails (QC, warranty, etc.). It's more like if Drop came up with an HD6XX-MOD and sold it at a very deep discount.

    "Well, that's great. But can't I just do this mod myself?" Sure you can. Go ahead. Call me when you're done. I've re-terminated IEM cables, re-cabled headphones, built an amp or two, and have modded a few headphones. But I have yet to do any HD650 mods, despite even having bought a second pair. Go figure. Also, the way that JVC has done this (re-)tuning is a bit different from what I've seen within the DIY community. So not only will this have better quality control and consistency than most of us can guarantee; but it simply may not be possible to duplicate at home. Granted for DIY there is the element of self-achievement and everybody needs a hobby- right?. But most people would rather spend their time doing something else. This is sort of an easy one for me. Did I mention, this is also cheaper?

    Compared to…

    NOTE: Not all of these are meant as direct comparisons. Most of it is to give context to what I am hearing from the FDX1. I settled on the blue filter nozzle:
    • white = stock FD01/brightest/no dampening
    • green = somewhere in the middle/some dampening
    • blue = the least brightest/most dampening

    Massdrop Noble 'X': I mention this IEM because not only are they from the same Drop 'house', tuned by the same folks, and around the same price; but it's one that many are familiar with. Tonally, there is no comparison between this and the JVC. The Noble was always just a bit too warm for me. The upper vocal registers (roughly between 2 - 4KHz) are a bit recessed, and it could also use a little more air. The JVC has good midrange presence and no shortage of air, even with the warmest (blue) filter. The Noble's bass, one of its strong suits, ends just a bit too quickly for me (has less decay) and doesn't have the sub-bass extension of the JVC. This is despite the Noble being a more bassy IEM overall.

    Noble Savant: Tonally, this is somewhat close to the JVC. To many the Savant is a bit on the bright side. For me it is one of my references for tonality, with the understanding that it leans slightly forward and bright. But despite the tonal resemblance here, these IEMs sound very different. Treble clarity and air is far better on the JVC. Headstage on the Noble is a bit more of a wall of sound, while the JVC displays good depth and more distinct instrument placement. The Noble has more fundamental bass (~100 - 150Hz range), whereas the JVC is a bit more restrained in that area while extending further into the sub-bass region. Overall, the Savant is a bit more in-your-face and has a more simplified presentation; while the JVC is just a little bit better in almost every way- tonal linearity, headstage, and resolution.

    Tin Audio T2p (Comply tip mandatory- they're way too vee without them!): This is my EDC. It has my ideal tonality, along with a nice amount of low-end grunt/fun-factor. Given that it's also a dynamic (dual-driver) it shares some characteristics with the JVC such as smooth tonal transitions, deep bass impact, and smooth treble. The overall presentation of the T2p is a bit warmer and smoothed over compared to the JVC. It is also more forgiving on bright recordings. (Remember… Comply tips!) The pay off with the JVC is literally in the details. Bass is quite similar between the two; but a bit more articulate and extended on the JVC. Instrument separation and sense of space is also better. Given the price delta between these two, this shouldn't be a surprise.

    BGVP DM6: I hear this as fairly neutral, with a slight upper-midrange recession. Bass is nicely articulated ala BA; but you're definitely not getting the extension or natural decay of the JVC. The DM6 also has a tiny bit of that grittiness inherent in many multi-driver balanced armature IEMs. This makes things sound a little bit warm (harmonically) and at times a bit crunchy. The JVC has that coherence often found in the better dynamic IEMs. This is a good example of the differences between multi-driver BA and single dynamic driver IEMs. The DM6 is fast but has a slight haze or harmonic warmth that some may find appealing. The JVC's bass extends further and it has more natural treble timbre. It also has more upper midrange as well as slightly better resolution. I like both IEMs; but I like the JVC a bit more for it's lack of coloration.

    JVC HA-FX700 (modded tips): I thought I'd throw this in just because. Though very different sounding, there are still similarities in the naturally smooth treble, smooth tonal transitions, and deep-ish headstage (for an IEM). I would also say that they both prioritize vocals; albeit in slightly different ways. All of the JVC 'Woodies' that I have heard (FX500/700, FX750/850/1100, FW01) have a mid-bass bump that made them ideal candidates for modding since it's the single glaring flaw in what are otherwise excellent sounding IEMs. The FD01/FDX1 is a clear step away from those- almost going in the complete opposite direction with the (relative) brightness and more linear bass response. What has stayed the same or similar is the natural treble timbre (especially with the blue filter) and coherent sound that good dynamics are known for having. If you're looking for that warm, romantic sound that the 'Woodies' are known for, you won't really find that in the FD01/FDX1- for better or for worse.
    Last edited: Aug 18, 2019 at 2:31 AM
    SoundChoice, Dsnuts, XERO1 and 2 others like this.
  6. Merkurio

    Having had the regular FD01 plus other DDs such as IMR R1 Zenith and IE800, as well as planars (iSINE20) and BAs (Massdrop Plus and Audiosense T800), I'm genuinely intrigued by these, I just hope the spicy upper-mid emphasis was tamed now!
    CEE TEE likes this.
  7. lafeuill
    Will follow with interest. Still use my FW01 regularly, with fondness.
    CEE TEE likes this.
  8. Makahl
    I'd love to see a brief comparison to Oxygen. Atm searching for a single DD a bit more aggressive and it seems to fill the bill.

    @CEE TEE A Spiral Dots ++ drop would be nice!
    Last edited: Aug 11, 2019
    Nabillion_786 and XERO1 like this.
  9. CEE TEE Contributor
    I agree! Thanks for the vote...
    Drop Stay updated on Drop at their sponsor page on Head-Fi.
    https://www.facebook.com/massdrop https://twitter.com/massdrop https://www.massdrop.com/?clickid=3QR3Ib27lyA-VkBRJwyGuQJeUkhUQvX5r0tLzQ0&utm_term=252901&utm_content=VigLink&utm_medium=affiliate&utm_source=impactradius&irgwc=1
    mochill and XERO1 like this.
  10. crinacle
  11. chickenmoon
    Let's all reserve posts. Go on!
    NickL33, Nabillion_786 and BlinkST like this.
  12. toranku
    Really excited. Wonder if the bass response is tightened up as suggested by some. If not I enjoy my FD01.
    CEE TEE likes this.
  13. TooPoorForHiFi
    Are they sending you a pair? :smile:
  14. Dsnuts Contributor
    Reserved cus I want to be in this drop!
    Otto Motor likes this.
2 3 4 5 6

Share This Page