HifiMan RE-Zero Review
Oct 18, 2011 at 11:28 PM Thread Starter Post #1 of 20

C.C.S.

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Introduction
 
I've spent many a day on this forum sitting back, reading about different kinds of portable audio gear in an attempt to gain a higher understanding of just how good the sound of something as simple as just an ordinary iPod can get. After multiple years listening to lackluster earpieces with boomy bass or sharp, grating treble, this site spurred me to spend a little bit more money on headphones and in-ears to try to grasp this whole sound quality concept. I knew what good sound was like from a pair of speakers but I couldn't imagine translating it to headphones. Fast forward through a few years and I've experienced offerings from Klipsch, Shure, Ultimate Ears and most recently, Head Direct or HifiMan's RE-Zero. I will spend some time comparing it to my now sold away Triple.Fi 10s that funded this most recent adventure into portable audio.
 
Build Quality
 
Here, I found the RE-Zeros quite fine for the money. The metal housings look and feel relatively indestructible, though that's a test that I will not soon be undertaking. The cable seems somewhat thin, though less prone to the extreme memory the UE cable which I thought would develop harmful kinks at any moment. Stress reliefs from the earpieces are fairly long and seem sturdy enough. I wouldn't worry too much about early failure with these guys.
 
Comfort
 
Where I once thought the TF.10s were it for me, these earpieces came in and stole their thunder entirely. They are beyond light even with the adapter. Maybe a tiny bit heavier than some Klipsch offerings I've experienced, such as the S4, but they are some close competition. But they truly won me over when I realized I could wear these with bi-flanges and not feel irritated or hurt and I could even hear the music coming in through the headphones. I don't know about the other headphones, but bi-flanges have never worked for me until now and they are just soft enough to produce very little irritation. I would certainly rate these as one of the more comfortable earpieces I've tried, if not the best, for the first hour or two of any session. After some time, minor itching or pain may occur but usually goes away. It could even just be psychological.
 
Packaging
 
Not the most elegant box I've ever received a pair of IEMs in, but it does the job. The case is very solid and I would not be afraid of it's ability to protect the headphones. What it lacks in attractiveness, it makes up for in strength.
 
Sound Quality
 
Bass: The quality of the bass is the best I've heard yet. The clarity and definition of these earpieces make each note stand on its own. It's not a one-note bass by any measure. Each pitch is distinguishable from the next, provided you can hear what's playing. The bass is very tight and somewhat lean. Decay on bass notes is quite fast, but not overly so. It seems pretty natural. When listening to classical or orchestral pieces, the length of each note sounds nearly identical to the length of a note heard in a concert hall. Here, they beat the TF.10s in everything except for quantity. The bass is there and it can be visceral when needed, but the Ultimate Ears earpieces certainly had more weight to their sound and could deliver a real slam when it was called for. Read: Not for Bass-heads.
 
Mids: Here, their difference from the UE IEMs is not quite as distinguishable. A similar amount of definition and clarity is present in both earpieces. These pick up a couple details the Ultimate Ears couldn't, mostly because the mids are not recessed in these headphones. The biggest difference may be in grain, where a tiny bit less is present in these than in the TF.10. To UE's merit, their headphone also had very little grain present. Also, the TF.10 seemed to be more forgiving of vocal sibilance in certain pieces. The letters T and S are sometimes a little bit too noticeable on the Zeros and can be a minor pain. This only happens in some recordings though, so this can be a plus if you're all for resolving, detail-driven headphones.
 
Treble: It is in this respect where the Zeros do their best and also their worst. Treble extends to pretty great lengths and is of the mostly neutral variety, like the rest of the frequency range. Cymbals, triangles, flutes and piccolos... You name it, these can play them at their best considering your recordings are up to par. On a couple of distorted rock tracks or very treble heavy tracks, this works to their disadvantage, as it can make their sound quite fatiguing even with short listening periods. Be warned. However, a well-recorded track will reward you with a very pleasant treble that sings in a way that even the TF.10 couldn't manage. These have a little bit less sparkle overall, but this generally makes them sound a bit more realistic overall.
 
Soundstage: It's a little small. Imaging is fantastic. Even on produced songs, you can tell where many of the instruments may have been standing in studio and the separation of different parts is a wonder to listen to. Comparing again to the Triple.Fis and even to some other less impressive earpieces, the soundstage seems a bit more closed in. The air is there for sure. The difference is similar to a small wildlife preserve versus a whole forest. Everything's there like it should be and it still has a feeling of openness and the air still hits you the same way. But, you'll find smaller boundaries here than in the UE.
 
Detail: Everybody has sung their praises for this earpiece. Let me simply reiterate: If it's in the music and you have the hearing to pick it up, it'll be there. Not in an annoying, overly forward way. Just simply, it's right there.
 
Music Testing List
 
The Roots, Tech N9ne, Eminem, The Beastie Boys (Hip-Hop)
U2, Queen, Pink Floyd, Aerosmith, AC/DC (Rock)
Ozzy Osbourne, Demon Hunter, Dream Theater (Metal)
St. Olaf College, Royal Stockholm Philharmonic Orchestra (Classical/Orchestral)
Superbus, Mika, Adele, Billy Joel, Elton John (Pop)
John Legend, The Roots, Utada (R&B)
Muddy Waters, Joe Bonamassa (Blues)
John Coltrane, Charlie Parker (Jazz)
Utada Hikaru (J-Pop)
 
 
Conclusion
 
The HifiMan RE-Zeros were purchased at roughly half the price of the TF.10 and deliver better sound quality throughout. They may not have the same instant "wow factor" due to their more neutral sound signature, or maybe more accurately, their lack of any actual sound signature, but they produce some detail left behind by the UE and are better balanced in all frequencies. I've found with these that my preferred sound signature is certainly a more neutral one. Maybe with just a tiny bit of extra treble or some slight forwardness in that region. The only place where these truly fall behind the Ultimate Ears is in the size of their soundstage. It is just a little small in comparison. However, imaging is marginally better and separation is comparable. And, most importantly, these just sound more correct to my ears. So, at the price of $100, I can recommend these to anyone who wants quality sound on a low-ish budget.
 
Disclaimer: Everything above is written as my own opinion. My word is certainly not the law and these are probably not the end-all IEM holy grails for everyone that they are for me. Also, this is my first review to my knowledge (it has been a while since I've posted anything at all here; I mostly lurk). So, if anything is unclear or if you have any suggestions to improve my writing, please leave comments.
 
Oct 26, 2011 at 10:36 PM Post #3 of 20
Update: A few days ago, I had to send them in for a repair or replacement. From only a week or two of normal use, the right earpiece split open just behind the sound bore and left the driver and wires partially exposed. I am eagerly awaiting their return.
 
 
Oct 27, 2011 at 12:02 AM Post #6 of 20
Interesting comparison - someone mentioned that the TF10 is about to be phased out, so I can only assume that UE have something else up their sleeves. The shop I use for most of my headphone purchaes dumped UE about 18 months back because they were getting too many returns - I think we are talking cheaper models, but it didnt fill me with confidence re UE after the Logitech takeover.
 
Oct 27, 2011 at 12:11 AM Post #7 of 20
My old TF.10s, the same ones mechgamer mentioned, are ones that I let him audition. He helped me to sell them through eBay because I don't have a PayPal account. So, he doesn't have them anymore, to reply to a post above. To address your comment, I had my TF.10s after Logitech bought Ultimate Ears. I purchased them brand new less than a year ago. To my surprise, I experienced none of the problems other users on Amazon mentioned, such as early cable failure or channel imbalance. Mine were a fully functional pair and the cables held out to the minute they sold and I imagine the buyer is quite satisfied as well. But after auditioning mechgamer's RE-Zeros, I just could not keep the Ultimate Ears and say in good faith that I was hearing everything in my music. I needed something better, and I think that despite the minor problem with this earpiece, these will serve me far better than my previous IEMs. Can't wait for my headphones' safe return from their repair/replacement.
 
Also, I'd really like to see Ultimate Ears come up with a new flagship model in their universal line-up. Seeing as how Shure retooled their IEMs with replaceable cables and modified sound and Westone added yet another driver to their flagship universals, it's time to see Ultimate Ears take their next step up on their non-custom top of the line. I still don't think they'll build something more resolving than this earpiece though. I'm skeptical to see something with greater detail than the Zeros, from what I've read, without spending on the higher end customs. At this point, I'd have to spend considerably large sums, considering I'm a jobless high school student.
 
Oct 27, 2011 at 12:21 AM Post #8 of 20


Quote:
My old TF.10s, the same ones mechgamer mentioned, are ones that I let him audition. He helped me to sell them through eBay because I don't have a PayPal account. So, he doesn't have them anymore, to reply to a post above. To address your comment, I had my TF.10s after Logitech bought Ultimate Ears. I purchased them brand new less than a year ago. To my surprise, I experienced none of the problems other users on Amazon mentioned, such as early cable failure or channel imbalance. Mine were a fully functional pair and the cables held out to the minute they sold and I imagine the buyer is quite satisfied as well. But after auditioning mechgamer's RE-Zeros, I just could not keep the Ultimate Ears and say in good faith that I was hearing everything in my music. I needed something better, and I think that despite the minor problem with this earpiece, these will serve me far better than my previous IEMs. Can't wait for my headphones' safe return from their repair/replacement.
 
Also, I'd really like to see Ultimate Ears come up with a new flagship model in their universal line-up. Seeing as how Shure retooled their IEMs with replaceable cables and modified sound and Westone added yet another driver to their flagship universals, it's time to see Ultimate Ears take their next step up on their non-custom top of the line. I still don't think they'll build something more resolving than this earpiece though. I'm skeptical to see something with greater detail than the Zeros, from what I've read, without spending on the higher end customs. At this point, I'd have to spend considerably large sums, considering I'm a jobless high school student.

 
My apologies, I was just confused when he said,"I liked the zeros more than your triple.fi 10s." There are some users here claims their IEM beats other IEMs that they've never even own (or even heard).
 
Jerry Harvey's gone so I really don't expect anymore flagships from UE/Logitech. :) Btw, what genres do you listen to?
 
 
Oct 27, 2011 at 8:15 PM Post #9 of 20
I understand that without Jerry Harvey, it would be unlikely, however without Jerry Harvey on the team they have managed to develop more than one new custom in-ear. It should not be be too much of a surprise if they eventually produce a new universal model as well.
 
To give you just a short preview of my music preferences, I listen to a large amount of older and newer pop music, J-Pop, classic rock, orchestral, metal and hip-hop. Other genres also find their way onto my iPod with some decent abundance and will expand as time continues to pass. I've filled less than half of my iPod with 3000-something songs, mostly lossless. There's much more music to be purchased in the next several years and I doubt I'll stop at just one portable music player. When one's entirely filled, I'll probably just buy another one to start with.
 
Oct 27, 2011 at 8:42 PM Post #10 of 20


Quote:
I understand that without Jerry Harvey, it would be unlikely, however without Jerry Harvey on the team they have managed to develop more than one new custom in-ear. It should not be be too much of a surprise if they eventually produce a new universal model as well.
 
To give you just a short preview of my music preferences, I listen to a large amount of older and newer pop music, J-Pop, classic rock, orchestral, metal and hip-hop. Other genres also find their way onto my iPod with some decent abundance and will expand as time continues to pass. I've filled less than half of my iPod with 3000-something songs, mostly lossless. There's much more music to be purchased in the next several years and I doubt I'll stop at just one portable music player. When one's entirely filled, I'll probably just buy another one to start with.

 
The genres I listen to were the complete opposite except for the orchestral one. TF10 I believe fails at orchestral music. :)
 
 
 
Oct 28, 2011 at 10:56 PM Post #11 of 20
What do you mean by the complete opposite? What do you listen to? Also, I don't believe that the TF.10s are absolutely terrible for classical or orchestral. The only problem with them is that the midrange can't quite keep up with the treble so if you listen to orchestral pieces with a lot of treble details, then it'll be difficult to pick up midrange details. If it were just slightly more neutral, it'd be a much better earpiece in my opinion. It still would not be the Zero's equal, but it'd easily be comparable with just a slight flattening out of the treble and bass. Or maybe if the mids were raised a tiny bit and you could compensate by listening at lower volume because you'd be at a raised flat response.
 
Nov 7, 2011 at 10:14 PM Post #13 of 20
Well the RE0s are known to have that issue. Didn't heard about it much in regards to the RE-Zero though. I did have a build quality issue with most Hifiman products I've tried. 
 
Nov 7, 2011 at 10:30 PM Post #14 of 20
Every review I've read about the Zero seems to mention a very solid build quality, and aside from the somewhat thin cables, I had exactly the same first impression. This news about HiFiMan products being suspect to build issues has me worried though. Do you think they'll have it right the second time around?
 
Nov 7, 2011 at 10:32 PM Post #15 of 20
Hard to say, but most likely should be fine. Joker's pair (which i'm using atm) has been solid for quite some time now.
 

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