HEAD-DIRECT RE0 In-ear Headphones

General Information

Head-Direct RE0 In-ear Headphones, with the nick name "Kylin", are one of the best In-ear headphones in the world.

* In-ear Design, 15-20 dB isolation
* The best dynamic drivers
* Leather Packing Box
* Smooth and transparent middle range.
**Current RE0 cable was made by PPE material, which is much more reliable than the old version fabric cable. The new L-shape miniplug is much better than previous plug, too.

Latest reviews

Pros: Excellent sound quality/sound stage, relatively inexpensive
Cons: Bad microphonics, not loud enough without amp, KEEP BREAKING
I was totally enamoured with these earphones - they sound incredible and I couldn't believe how inexpensive they were when compared to competitors. With this in mind, I forgave the poor microphonics (i.e. noise from the cable hitting/rubbing against things) and need for an amp. The major issue is that the apparent build quality is far better than the actual build quality and they have a very high defect rate. On average, mine have been replaced every 6 months. I have treated them carefully and have a separate pair of cheap earphones for when I'm doing things which are likely to put a strain on them (e.g. running/gym). When they're replaced it is apparent that you do not get a new pair, you get a refurbished pair. They have now refused to replace my faulty earphones as their warranty period applies from the original date of purchase. So basically, it doesn't matter if they send you defective replacements. One of my mates who bought these on my recommendation has also returned his twice. They have offered to repair for about $30, but I expect them to go wrong again therefore have declined. I would suggest that they bump up the build quality and increase the price.
ssrock64
ssrock64
It's too bad about the RE0. It's great-sounding, but I cannot think of one owner who has not had their break on them.
Redcarmoose
Redcarmoose
You just have to glue them back together. I am in the process of putting on a new plug end too. It truly is too bad they don't last as after you get used to the SQ. They are amazing!
moracajay
moracajay
Mine lasted only 3 months. I agree they have very good sound quality. I like it better than my Etymotic HF5. But the build quality is Zero. The left side earphone just died. I contact a technician and open the phone to find out that the speaker died and cant be fixed. I still used(sometimes) the right side earphone but to my surprise it died as well.
BEST SOUND QUALITY, ZERO BUILD QUALITY. Indeed a disposable earphones.
Pros: Overall audio quality, excellent value
Cons: May be bass-limited for some, slightly power hungry
 
The RE0 has been available for several years now and therefore it has had time to penetrate the Head-fi community and generate a range of comments on it's performance as a moderately-priced IEM. After reading various threads and reviews myself, I came to the conclusion that their qualities probably outweighed their liabilities and recently purchased a pair. After a month with them, was it a good decision? In a word, yes, but with a few caveats.
 
Off the top, I would say that the RE0 is probably not going to match everyone’s listening preferences. The often repeated comment that they are bass-light, is generally a fair statement. Nonetheless, when listening to music with isolated bass, the RE0 quickly demonstrated that it was capable of delivering accurate bass easily. What others have said (and with which I completely agree) is that the RE0 lacks bass impact or sustain. In a musical context, therefore, the mid- and treble frequencies of the RE0 can dominate the bass producing what is often referred to as an analytical sound signature. Is this enough to kill the RE0 as good IEM? Not to my ears, because I don't listen to music that is overly bass-centric. Small group jazz, acoustic roots and blues, female vocal, solo piano, classical guitar are just some of the genres that will shine through the RE0. What the RE0 does deliver in spades is pin-point clarity of instruments and vocals that are accurately imaged and presented on a surprisingly wide sound stage.
 
Several other points are worth mentioning regarding the overall sound quality of the RE0. Indicative of any quality headphone or IEM the RE0's benefited substantially by:
  1. a burn-in period
  2. a quality source
  3. enough amp support
 
These factors unquestionably affect all IEMs, but I found this to be particularly true for the RE0. Right out of the box they did not impress, especially from a portable DAP playing low bitrate files. However, within 20 hrs. of burn-in the sound quality became much more balanced, the bass less attenuated in its presentation. Music files also need to be at a high bitrate (320k - 350kbps), if you’re not going to a lossless format. Although the RE0 is marketed as an IEM for portable devices, its nominal 64 ohm impedance indicates that it really benefits from additional power beyond what my Sansa clip can provide. This is based on how much better the RE0's sound through my Sony laptop and makes me consider that the RE0 would scale-up nicely with a desktop amp.
 
Regarding other issues like build quality, in ear comfort and noise isolation, I have had no problems. Every IEM requires a bit of experimenting to get the best fit. The bi-flange tips are quite soft, although for me the medium rubber tips and worn over-the-ear provided the most comfort. Noise isolation, however, is only average at best, which may be an issue if you intend on using them in a noisy environment.
 
At their currently listed retail price of $79.00 from Head-Direct, I believe that in the right musical context, the RE0 continues to provide outstanding value in a IEM.
Pianist
Pianist
Great review! Wait till that RE0 hits at least 200 hours - the treble will lose any harshness and the mids will even out and will sound really natural.
H20Fidelity
H20Fidelity
Thanks for the review, this is exactly what I was looking for information wise. You explained the bass section very well which is what I'm worried about coming from Hippo VB's. I might consider these in the near future.
Pros: Great sound
Cons: crap quality
I have rate these a half star for audio quality because they do not play sound anymore. There is a growing number of people who have experienced the terrible quality of these headphones. All of us have experienced the same: after a relatively short period one channel stops working. This is well documented in treads here on head-fi and on amazon.com that sells these headphones. As of this moment, the RE0's are rated #8 in the reviews. These phenomenal ratings reflect the fact that the RE0's sound fantastic when they work, however, this is not the full story. Buyers should BEWARE of the crap quality of these headphones.
Redcarmoose
Redcarmoose
They do need to get a low score as they break for most folks sooner or later.
reckca
reckca
My re0 are 2 years old...
komebudu
komebudu
It's not even a review... it's a complaint...

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