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post #2311 of 32885

For those still having problems with the treble on the fx101 after 80+ hours of 80% volume burn-in:

1) Take the ear tip off and GENTLY suck on the the opening of the IEM. Be careful not to get spit into it. This resolved much of the sibilance issues on mine. Turned out the driver was stuck in a flexed position that was causing extra noise in the treble.

2) Try comply foam ear tips. Preferably ones with the wax guard: http://www.complyfoam.com/products/tx-400. The foam and the guard should help attenuate some of the shrillness.

post #2312 of 32885

Just got FX101, 10 mins with them I feel like I am standing on top of three floor building, top two floor is filled with bass and mid high are coming from ground floor.

 

Bass has very good extension, they do not hit hard like TF10, soft like multi cushion sofa.

hope more burn-in will bring mid little more forward, will be missing lot of details otherwise

post #2313 of 32885

So, my black FX40 finally came in today, but to be honest, I don't expect the FX40 to get a lot of listening time from me because:

 

A). My Aurisonics ASG-1.2 came in today too, and there just is no comparison of the two with my short audition.

 

B). The Audiofly AF56 was shaping up to be my most listened to universal (next to the W4 and before the ASG-1.2 came in). It's just a phenomenal sounding earphone in the $100 price range.

 

C). I'm still in high like with the CKM500's sound (although it's getting less time too.

 

D). I'm listening to something that I can't even talk about right now that is blowing me away.

 

With all of the above stated, I have gotten in a brief audition of the FX40, and I can state without a doubt that they are above the $21 I paid (shipped) for them out of the box. There is more sub-bass than the FXT90, but I'm not prepared to say they sound better than the FXT90. The FXT90 as layered sound that I love that only comes from - in my listening experince - dual drivers IEMs. The FX40, however, isn't as dark sounding as the FXT90, and (unfortunately) doesn't sound to be far away from them in sound quality. As for harsh highs and sibilance, I'm not hearing it. Mids aren't as full as I would like, but I do believe in burn-in, so we will see. Another great value IEM from first impressions. It might get sold or given away, however, because of other IEMs in my sound arsenal right now. I can tell you this, since having the AF56, for example, I'm finally at the point of thinking about selling my GR07.  But back on topic. So far I'm impressed with the FX40.

post #2314 of 32885
Thread Starter 

They do improve a lot with burn in. Especially the mids. Here is what is surprising. I just got these061812113224.jpg  So far I can tell these have a higher end tuning than the FX40 but I was more impressed with the FX40 than these on open box. I think I expected much more out of these as the FX40 impressed me greatly..I am glad you got them FX40s Eric. 

 

These carbon nanotube iems all kinda sound similar to my ears. Different tuning or not. Lol. Perhaps that is the negative of the carbon nanotube material. Somewhat predictable..I can't see how these FXD80 are better than the FXT90s maybe more of a side grade.

post #2315 of 32885
Quote:
Originally Posted by Dsnuts View Post

They do improve a lot with burn in. Especially the mids. Here is what is surprising. I just got these061812113224.jpg  So far I can tell these have a higher end tuning than the FX40 but I was more impressed with the FX40 than these on open box. I think I expected much more out of these as the FX40 impressed me greatly..I am glad you got them FX40s Eric. 

 

These carbon nanotube iems all kinda sound similar to my ears. Different tuning or not. Lol. Perhaps that is the negative of the carbon nanotube material. Somewhat predictable..I can't see how these FXD80 are better than the FXT90s maybe more of a side grade.

Interesting Dsnuts. I can't wait for more  of your impressions on the FXD80. From what you and a few other have written thus far about the FXD80, I am thinking that the FXD70 will be more to my sound signature liking. I think one or two who heard both the FXD80 and FXD70 stated that the bass is deeper in the 70, with better and fuller mids. So we will see. Thanks for recommending the FX40 and CKM500, again, @ Dsnuts. Great finds!

post #2316 of 32885
Thread Starter 

Ya we will see what happens with burn in. The mids are too similar to the FX40 on open box. I have to say I was disappointed.. For a $100 earphone mids should be the very first part of the sound that should be correct but one thing I know about these new carbon nanotubes is just how much they open up with aggressive burn so I will comment more with burn in. I am thinking if these open up like the FX40 did I will end up liking them but only if that happens. Which I have my fingers crossed. We will see. If not I can see myself selling these off faster than I bought them for.

post #2317 of 32885
Quote:
Originally Posted by bjaardker View Post

For those still having problems with the treble on the fx101 after 80+ hours of 80% volume burn-in:

1) Take the ear tip off and GENTLY suck on the the opening of the IEM. Be careful not to get spit into it. This resolved much of the sibilance issues on mine. Turned out the driver was stuck in a flexed position that was causing extra noise in the treble.

2) Try comply foam ear tips. Preferably ones with the wax guard: http://www.complyfoam.com/products/tx-400. The foam and the guard should help attenuate some of the shrillness.

 

Also I find the difference in sound between wearing over-ear vs down quite large. Over-ear it has less harsh highs but less bass. Wearing down there's a lot more bass but harsher highs. I like wearing over-ear the best, also a more comfortable fit.

post #2318 of 32885

I pulled the trigger on the HA-FX40 for 32$ shipped. So the consensus is that they have balanced armature-like speed and detail, buy dynamic-like bass extension? By the way did your mids improve with burn-in Dsnuts?

post #2319 of 32885
Thread Starter 

Yes. They sound awesome with at least 80 hours and need more like 100 plus to get every bit of the drivers loose and that is with aggressive 70- 80% volume on my Drum n Bass compilation played non stop. Carbon nanotubes= very stiff drivers. On open box they sound like a v shape sound and you will hear more highs than mids. This all changes for the better and balances out very nicely with burn the sub bass is very nice on these too. Nice clean detailed sound with solid sub bass..I Look forward to your take mr. Lizardking1.

post #2320 of 32885

Agreed! smile_phones.gif

post #2321 of 32885
Thread Starter 

Yea so for guys that liked their FX40s. Hmm I have to say I am starting to hear what the new FXD80 are about. Think more refined FX40 with a open airy sound..I am thinking the FXD70s will sound even closer to the FX40s as they are a closed design over the vented FXD80.

 

Will update with more once I get these drivers to loosen up.

post #2322 of 32885

Squeezing in a few minutes with the FX40 as I burn them in (and give my ears a break from some much higher quality IEMs). Very impressed. I can see myself actually liking these as much as I like the CKM500 (although they sound nothing alike!!). I don't need anymore bass than this (although I get plenty more and better from the ASG-1.2). Highly impressed Dsnuts. Dsnuts strikes again!! LOL

post #2323 of 32885
Thread Starter 

Well you already was a fan of the JVC sound so I knew you would like these. They sound nothing like the money spent that is for sure..I am starting to warm up to the FXD80 a bit more myself.  Will see what overnight burn in does for them. Will report back on the FXD80 thread.. Got the FX40 in my ears. Going home from work..Yes these are lovely.

post #2324 of 32885

I got my FX101s a few days ago and upon initial listen I thought they were nice but nothing too special. I then let them burn-in to pink noise for a bit. At ~25 hours I took another listen and suddenly the bass appeared and was powerful and had a powerful punch, but a tad bit sloppy. I let it burn in more, and now at 80 hours they are awesome. Really fun sound with a powerful bass and nice highs. Maybe a bit sibilant, but not enough to bother me. The mids sound a bit recessed, but I expected that. Overall a wonderful purchase, and especially for under $15! My new go to pair for iems, though they may see a lot less use now that my Denon D500s arrived today o2smile.gif

 

Once again I thank you Dsnuts.

post #2325 of 32885

Just got FX101's. Bass is very powerfull but mids don't sound recessed. Highs are there but not sibilant. It does voices very well. Resolution is good, cetainly when you realize how cheap these are.

They are clearly tuned with bass in mind but I can keep listening to these unlike Brainwavz M4's because the mids are too recessed with those.

I had to use other tips to get better isolation. As a result the vocals came a few feet closer on the soundstage, excellent!

The tips I use on them are a bit bigger and the hole is narrower.

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Head-Fi.org › Forums › Equipment Forums › Portable Headphones, Earphones and In-Ear Monitors › The discovery thread.! New NiceHCK DZ7 1DD+6 BA iem impression by ericp10. Page 2153