You already did a review on the FX67. It's on the first page of this thread. First post too.
 
I'm not used to an IEM that doesn't protrude out from my ear very far...makes it awkward for me to get them out. Nothing to grab on to! Upper mids seem a bit harsh so far, only real complaint. These should be great for the gym.

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selenium said:

You already did a review on the FX67. It's on the first page of this thread. First post too.
 
I'm not used to an IEM that doesn't protrude out from my ear very far...makes it awkward for me to get them out. Nothing to grab on to! Upper mids seem a bit harsh so far, only real complaint. These should be great for the gym.

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Erg, I meant the FXC51. Try an EQ on those.

I know what you meant, was just giving you a hard time. I really haven't burned them in much at all, so I'm not going to throw EQ at them just yet. I already like these more than I did the Klipsch S4s. No driver flex thankfully.

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katun said:

Ah, I'm glad more and more of you are enjoying these.
 
I need to do a review on the FXC51. Problem is, it kinda is hard to do one on a custom EQ!
 
Both are my found, hidden gems. Don't plan on replacing either of them.

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I use the equ app on my iphone with the fx67 and all my other iems and the difference in sound a equalizer makes is simply enormous.  

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dannybai said:

I use the equ app on my iphone with the fx67 and all my other iems and the difference in sound a equalizer makes is simply enormous.  

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Absolutely. I have at least +4db in the midrange, amongst other adjustments. They really do transform.

I am listening to these through an SAE Parametric Equalizer and a Little Dot MkII v2. For most recordings, I cut the 2-3KHz range by 4-8db, and sometimes cut the 100Hz range as well, if it is thickening the lower midrange too much.
 
I know it seems strange when you can get the FX67 from Amazon for around $12 plus shipping, but these are what I reach for when I simply want to be thrilled by the music. The fact that they are also the most comfortable of all my on-ear, circum-aural and in-ear phones is just icing on the cake.
 
They work very well with the ear tips supplied, and also with the Sony hybrids. The hybrids give a slightly tighter presentation.

I just took these to a meet in New York, and had a great day listening to lots of nice, warm-sounding LCD-2s paired with tube amps.
 
Sitting in the silent auction table was a pair of Head-Direct RE-252s, starting at $20.  I was like, WHOA!  Those things are $250.  So I quickly put down my name and the price of $23 (with an added note that I am a student and if people have a heart they should not outbid me).
 
Since they were being donated for room funds I tried them on and was prepared to be blown away by awesome sound and balance... but I was disappointed.  Uneven bass-to-midrange transition, bass a little low for my tastes, and a funny balance overall.
 
So I went back and put on my JVC FX67s wondering if the RE-252s really sounded $234 better. Nope. Big smile on my face as I heard that smooth and warm, full bass and even treble.  That night as we drove home with me listening to the FX67s, I had absolutely no envy of the person took home the RE-252s (for $100).  I think the sound signature of the FX67 owns the RE-252s,
 
The signature is at least remotely similar to that of the HD650 and the LCD-2s, moreso than any other sub-$150 IEM I've tried.  Nowhere near the detail, transparency, refined balance, and texturing capability, obviously, but to me they are quite literally at least 2/3 as good as those $400~1200 headphones, just for the frequency balance.  And they sure sound a hell of a lot better than any full-sized can in the car and while walking around listening to an iPod, that's for sure!
 
My opinion is that in an IEM, micro-detail retrieval is not as important if you are listening at safe volume levels and in environments with noise.  If you want to take advantage of great detail in these situations, you also need really great isolation, which is really hard to get unless you have customs or really great foams/functional triple flanges, which usually come in at the higher end of the spectrum.  If not, sound signature is king, and the FX67 has a pretty good one.

I had to go to Fry's today to pick up a 2.5" bare drive for a laptop I am repairing.  I browsed over to the IEM section to see if I could see some meelec products, which there were just in another section.  I found the FX67 red and blue half off for $14.90 I picked up a blue pair, right out of the box they are pleasant, very light weight and comfortable.  I will thrown them in the burn box fora few days starting tonight and we will see what emerges. 

Just ordered them, I'll give feedback when i'll get them.
 
Thanks for sharing your experience with these, I was looking for a new pair to replace my S4 and I'm glad I found something cheap which I won't have to worry about (My expensive headphones keep breaking.. )

I just received my pair. I must say I'm quite pleased with them for now (I didn't start burning them yet). They're very comfy and the sound is really good for 20$ IEMs. 
 
Which EQ settings do you use for these? I find the bass is slightly too present and the high are rolled off a bit. The sound signature seems very fun. I'll compare them to my image S4i tomorrow which are heavy on bass too. 
 
Overall, these are very good headphones for their price, and I'm happy with my purchase. I'll probably use these while doing sports and use them as a backup pair.
 
Thanks for sharing your experience with the JX67. I'll test them out a lot more tomorrow since I only tried them for 10 mins, going to bed now (burning them overnight).

I bought the FX67 for £15 in currys on the back of this thread and thought them superb for the money even though the bass was a little bloated. They are a fun sounding and pretty comfy IEM. I then saw the FX51 on amazon for £20 so bought those as well and I much prefer the FX51. Better comfort for me (10/10) and much better overall balanced sound. I haven't found anything yet that the FX51 can't play, they really do sound good.

The  fit and comfort are nice on the FX67, however the bass and treble are boosted too much, and the midrange is recessed. I hate using equilization, however this iem really needs it.
 
Imo the Panasonic RP-HJE450 for just a few dollars more sounds so much better than the FX67.
 
I even prefer the $8 JVC Riptidz to the HA-FX67. Perhaps it might be due to the 11mm drivers in the Riptidz vs just 8.5mm ones in the HA-FX67? I am curious about how others will rate the Riptidz compared to the FX67.

Bought a pair of FX67 for rough use and main pro for me is comfort and minimal fuss in plugging into ear. Sound is alright for the price and to my ears (think I am hearing less highs these days) the lower end is abit bloated and slow. No complaints for the money spent though.

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Guys, I have FX67 for quite sometimes.... I notice that my fx67 tend to sound better after few hours of use (so it's like tube amp that need to be warmed (made hot) first before sounding right...)
 
I notice this while I constantly use it and after few hours start to notice the changes, but also when I let play off my ear and just put them inside when I'm ready to use it.
 
is there any of you experience the same thing? or is just my imagination?