NiceHCK X49

General Information

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Latest reviews

silverszi

100+ Head-Fier
Very O.K.
Pros: Small shell, bullet fit
(Mostly) adequate sound
Cheap/affordable at 18USD (excluding tax and shipping)
Cons: Microphonic, non removable cable
Uncomfortable stock tips
P E A K Y T R E B L E
Can be harsh
Congested
Disclaimer:
I am not the pinnacle of objectivity, all of my impressions are subjective and should be treated only as one person's view.
This review is unpaid. I bought the IEM myself.
I have owned this IEM for 100 or so days as of writing.
Review was made over 7 days of use.
EQ and other transducers were used for indirect comparison/forming thoughts.

Fit/Comfort/Build:
Nozzle diameter is 5.5mm at the tip, at the lip, where it is widest.
The stock tips are the worst part of the fit, for me they are significantly too stiff,
with a thick stem (minimum diameter at nozzle, with tip is 7.7mm) and make a deep fit actively painful.
Otherwise it is a typical bullet IEM, sits secure, doesn't fall out for me when shaking my head as hard as I can.
Isolation is quite good.
Has a front vent.

Metal shell, I think aluminium.
Cable is a TPE jacket, very microphonic, transferring sound from slight movements even when worn over ear,
otherwise it's compliant enoughand didn't tend to wrap around itself too much when left to its own devices.
There is an included cable clip, though i struggled to fit it on and didn't due to risk of damaging the cable, which only comes in 3.5SE.
A plastic jack/plug protector comes preapplied.

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Sound:
Source used: Qudelix 5K, NOS, 96kHz
Tips: Stock, smallest 5.5-6.5kHz first canal resonance peak

Immediate first thought whenever I am listening with the X49 is it sounds congested, though not having much thickness and note weight,
while having a wonky sound signature, mainly the lack of treble, treble peaks and reduced midrange.
It's still mostly listenable, not great dynamics or detail, or anything really, it does not have anything it does notably well to my ear.
The tonal balance doesn't sound particularly skewed to me, so I'd call it neutral in that regard.

The bass quantity to me is adequate, applying a boost quickly makes it muddy or soft.
There is no noticeable BA rolloff to my ear, boosting infrasonics by 20dB does nothing in my entire library.
There is no strong rumble, though I'd say it still exists.

The slam/punch/tactility/dynamics/detail is not particularly great to me, with the wonky treble making all percussion, e.g. in:
Mello 2 / メロ2 (Hideaki Taniuchi), Olympus Mons (CoD: IW), Palmtree Panic 'B' Mix JP (Sonic CD) etc. somewhat limp.
The snares in Doing Just Fine (LAKEY INSPIRED) are also harsh with little weight to them, same in The Lost Art Of Keeping a Secret.
Claps exhibit the same issue: e.g. in I Wanna Kno (2 Mello).

The same issues carry over to midrange focused instruments like the main melodic reverberating synth in By the Pool (LAKEY INSPIRED),
while also having some unwanted "crunch" to the bassline that can be heard as sounding distorted, (potentially due to the treble peaks)
also occuring with the bassline in Palmtree Panic 'B' Mix JP (Sonic CD), and the synth at the start of Heliopause (Halo CE Anniversary), there is some hissing too.

Brass instruments at higher pitches like in Werehog Battle Theme (Sonic Unleashed) have some of the trumpet quality you'd expect,
buzzing and having some dynamics, though not enough and sounding smoothed over while being somewhat nasally.
The background trumpet comes through in the chorus too.
The trumpet in the intro to Skyscraper Scamper - Day (Sonic Unleashed) is lacking the dynamics/detail to flutter and when switching notes, making it sound somewhat dull.
All of the background instruments including the bass and airy pad come through though.

Vocals on the X49 lack husk/breathiness and edge/detail and replace it with hiss, e.g. in the start of Turnin' On The Screw (QOTSA).
To note, I found this song to be harsh enough that it prompted me to turn down the volume significantly.
Sometimes they come through with some dynamics like in Sorairo Days (Shoko Nakagawa) but nothing great or even good.
Otherwise, vocals don't sound incredibly unnatural, except for being weirdly smoothed over, the weird vocal-like synth in Scraped On The Way Out (KiloWatts) for example.

Upper treble around 16500Hz is reduced to my ear, making most cymbals sound muted/dampened, lacking decay length;
on busy tracks like Radiant City (Deftones), some cymbal hits are near inaudible.
More ambient or calm tracks like Fungal Wastes (Hollow Knight) or Ki (Minecraft) (or any track from Minecraft for that matter) don't have the inaudibility issue;
however the lack of dynamics to me really kills a lot of the enjoyment, none of the swells reach their peak loudness and decay too fast.
The treble dip also causes the guitar to sound smoothed over and lack dynamics and so texture and detail, similar issue with March Of The Pigs (NIN),
making it sound like pink/brown noise while hissing constantly.

The stage depth and imaging don't vary noticeably between tracks, having the typical "instruments come from nowhere" diffuse imaging I expect from IEMs.
Instruments don't really sit in specific different positions, however they don't seem to come from the same position either, having non-terrible separation that way.

Measurement of unit at: https://cammyfi.squig.link/?share=NiceHCK_X49
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CammyFi
CammyFi
Exceptional review, finally someone without hearing damage bringing sensible, honest reviews to the head-fi table
silverszi
silverszi
Thank you esteemed fellow Cameron Fidelity
C
conorair
Your ears are goofy ahh looking.

ngoshawk

Headphoneus Supremus
Reviewer at Headfonics
What of this affordable bullet?
Pros: Affordable
All-in-one
Ease of use
Quite nice sounding considering price
Throw-it-in-your-bag for use when you forget others
Cons: Connected cable
No case
Finite lifetime
Not much else at this price
NiceHCK X49 ($17): What of this affordable bullet?

HiFiGo:
NiceHCK X49

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Intro: There seems to be a dearth of “affordable” ChiFi hitting the shores of the US at the current time, slowed only by the global pandemic. Many worthy companies have set up shop on this side of the pond, in hopes of achieving faster response to sales, as well as the ability to control products here. It makes sense. Kind of like a car dealer in many towns across the country. Aiming for sales, this is indeed a tough market. HiFiGo is a “relative newcomer” making marks with excellent distributional characteristics on the US mainland and elsewhere. Catering to the more affordable end, Nappoler and crew are doing an excellent job. With first-rate customer service, they are becoming a force.

The X49 is the second unit I have reviewed for HiFiGo, after the TRN VX, and as such I was looking forward to the single balanced armature, not the least of which was to see how a single BA would compare to the more common single DD. And, this little critter certainly is on the affordable end, at sub-$20usd. Coming off the VE Erlkönig, and others, my opinion would have to be tempered to meet that level. That is, until I listened. To say that I was a bit taken aback would be an excellent descriptor. In conversing with a couple of other reviewers, we agreed that the X49 was an affordable diamond in the mostly polished form. Small, affordable (there’s that word again), tiny of fit, and very good sound qualities highlight the X49. I thank Nappoler for sending the review unit, and I write this as our daughter partakes in a week-long high intensity goalie camp. To say I’m in heaven would be an excellent picture.


Specs:

1. Brand and model: NICEHCK X49 in ear earphone
2. Model: X49
3. Product type: In ear
4. Frequency: 20-20000Hz
5. Impedance: 22Ω
6. Cable material: Pure copper
7. Cable length: 1.2m±3cm
8. Plug type: 3.5mm gold plated
9. Color: Bright Silver
10. Sensitivity: 110dB/mW
11. Shell Material: Pure Copper (Surface Plating)
12. Microphone: Options (No Mic / With Mic )
13.Use: Sleep, Music, Game, TV Series
14.Earphone plug type: Line type
15.Earphones category: HIFI, Monitor
16. Driver unit: Single Balanced Armature Driver


Compared/Sources:

TRN VX ($75)
CVJ CSA ($27)


Shanling M0
iPhone XS Max (w/DDHiFi TC35i dongle)
MacBook Pro (Tidal Premium)


Songs used:

Dave Mathews albums, Come Tomorrow, Away From The World
Los Lonely Boys- Heaven (en Espanol)
Los Lobos album, Disconnected In New York City
twenty one pilots-Trees
twenty one pilots-Car Radio
twenty one pilots-Heathens
twenty one pilots-Forest
Damian Marley-Everybody Wants To Be Somebody
Damian Marley-So A Child May Follow
Damian Marley-The Struggle Discontinues
Ziggy Marley-Lighthouse
Ziggy Marely-See Dem Fake Leaders
Mark Knopfler-Laughs And Jokes And Drinks And Smokes
Santana w/ Mana- Corazon Espinado
twenty one pilots album, Trench
Mark Knopfler album, Down The Road Wherever



Unboxing:

Simple. Straightforward. Nothing special. Nothing left behind. I like when IEM's such as these come in simple packaging, which minimizes their impact. Nicely done.


Fit-n-Finish:

Coming with a rubber coated all-copper cable, which is attached you get the sense that the money spent goes into the balanced armature and electroplating of the all-copper bullet-shaped shell. Permanently attached, I do not fault NiceHCK since this is a unit, which will most likely be used in “throw in the bag” situations. The cable is on the thinner side and does carry microphonics with it. But, using the right tip, there is a very good seal, which keeps wind and other noise (such as the pecking on my MBP keyboard, which I hate. The keyboard not the MBP) to a minimum. Other than the microphonics, I have no issue with the thin cable. It also has a rubberized ring attached to the left cable above the split for easy identification in less than ideal viewing conditions.

The shell itself comes from two pieces of electroplated copper, replete with vent hole on the bottom. Inside the BA sits in a protective hard plastic bracket. I do like the shape of this unit, and it is tastefully small. Reminding me of the Campfire Atlas or Comet, the shape does not bother me one bit, and actually aids in the fit. Nicely done so far. A small assortment of tips is included. I skipped those and went right for my SendaFit Azla or Comply foam. I settled on the Comply for a better fit and seal.

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Sound:

As per standard, the unit was checked upon arrival to ensure proper working order, then banished for burn-in with any of a number of units I have going at the moment. Periodic checking was done at 25 hrs, 50hrs, and 75hrs. It was after 75hrs that the dedicated listening took place. I do prefer to burn a unit in for a lengthy time to give the user an idea of what the critter sounds like six months down the road from new. With the X49, the bass tightened up a bit, but without dedicated listening at the beginning, I cannot say for sure regarding any other changes. Suffice to say that the signature did not change for me in any remarkable manner.

Balanced Armature drivers are still typically not known for their thumping bass, and the X49 continues that, but with one exception. It does provide good reach, but not outstanding. It does seem to be more than the derigueur of recent ChFi tunings, which are tending towards brighter signatures. I always hate to say anything “punches above their weight,” for this can mean that it is A: underpriced, or B: the others really are not that good. I will state that for this price, the bass is very, very good and could be considered at the top of its class. That to me is a better compliment, anyway. Paired with the portable Shanling M0, the sound comes across as full and a bit of warmness emanates. The bass of Shanling’s is already tops for me, and the X49 compliments that without hindering the M0 response.

Mids are to me fairly neutral, with vocal sound emanating slightly above center and just about in line with the others. I would not call it flat, nor would I call it V-shape. Not even W-shaped. To me they could be a bit brighter and more forward, but this is picking on a sub-$20 earbud...Male vocals are on the cleaner side, but not spectacular. Female voices follow suit, but with a bit more focus. Not extraordinary, but not sloppy either.

Thankfully, the treble up top is not biting nor sibilant as can be the case at this price. Coming across as complimentary to the others, I appreciate that this isn’t an affordable earbud, which has treble too bright. There has been talk across the review waves of what Westerners actually want in a tune, and I for one do not think that the manufacturer should cater to a particular market, but rather give the sound, which their engineers feel will be pleasant and sellable. If that does not meet your tastes, move on. Don’t bag on a manufacturer for tuning something you don’t like. Rather you should espouse whom it might be better tuned for and call it good. We must keep our subjectivity at a minimum and present what we hear, then recommend. Those of you who read many reviews will know of what I speak. For those that might be in a bit of a fog, essentially as reviewers we must present what we hear, and let others know whom the unit might be geared towards. Likes and dislikes come into play then, but shant be the basis for recommending or not. It is not our job to point out that “this should be tuned for a specific market,” no but rather whom it might be tuned for instead.

Rant over.

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Providing an averagely wide soundstage, the X49 competes well in giving a full sound spectrum. Adequate in height, but lacking in depth, there is no cathedral effect, but rather one of efficient use of space. Layering & instrumentation thus suffers a bit, but it is not bad. Sufficient for the price, and again, near or at the top of the price range. Paired again with the M0, the sound comes across as clean and representative. Competent would be a good description all across the board. Call it the workhorse of this price. The one that does the dirty work without asking for anything in return.


Comparisons:

This shall be a shorter section, since the price is so darn affordable.

NiceHCK X49 ($17) vs TRN VX ($75):

I add this in, because it is a recent unit for me, and one in which there seems to be a conundrum of opinion. Some like the tuning, others do not. I would fall in the category of the later, with nothing spectacular about the 7-BA’s. It is a shame really, for it has high hopes, but has a mid-section, which is too biting to me. I cannot get around this. And as I stated above, I would recommend this unit for those who like vocal representation, or string orchestral movements. That enhanced mid-section would be presented very well with the VX. But, if I heard both of these side by side in a store, I’d go home with the X49. Period.


NiceHCK X49 ($17) vs CVJ CSA ($27):

Another of recent review, the CSA is the affordable unit from CVJ, which has approximately 5-6 offerings. If one likes bright mids, but not overly bright then the CSA should be in consideration. Good solid bass, a somewhat sparkly treble section, and mids that take the show for me highlight an affordable contender. The CSA won’t win many followers but should still be considered for its stellar mid presentation. A very good price point, and one that you should consider for vocal temptations. Personally though, I still prefer the X49 for its affordability and overall sound character.


Finale:

I finish this while listening to the X49 through my iPhone XS Max & DDHiFi TC35i dongle. An excellent little DAC paired with a decent sounding phone. The trifecta of sound comes across as warmer than the Shanling, but I blame Tidal. This shows the true mettle of the X49. It is adaptable, and fits will many excellent affordable sources (OK, iPhone isn’t cheap...). But the point still holds. The X49 benefits from being a set of earbuds that can be thrown in your bag or pocket for on the go use, and that balanced armature sound comes across nicely. This should alone put the X49 into consideration. It should also be considered as part of your regular rotation system as it can ground you in how an affordable earbud can still sound good regardless of the price.

I thank Nappoler and HiFiGo for the sample. The NiceHCK X49 is a real treat at an exceptionally affordable price. I can live with its few faults, due to the many positives within the unit. Cheers, and keep listening.

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B9Scrambler

Headphoneus Supremus
NiceHCK X49: An Armature For The Masses
Pros: Build and comfort - Well-rounded tune - Affordable
Cons: Sound stage - Congestion at high volumes and during very busy tracks
Greetings!

Today we're checking out a budget friendly single armature earphone from retailer turned earphone manufacturer, the NiceHCK X49.

I've been a fan of NiceHCK from the early days, well before retailers like them, Penon Audio, and LendMeUrEars started developing and selling their own products. It was a little odd to see them head in this direction, but using a small amount of brain juice and foresight could see that it made sense. Chinese HiFi was taking off and they were sales leaders. Why not make and pitch their own products to steal some sales away? NiceHCK has done a good job with their products to date with models like the DB3, NX7, and various accessories being generally well-received within the community.

I've spent way more time with the X49 over the last few months then most reviewers will in their lifetime, and I'm no less of a fan of it now than I was during the honeymoon period. Let's take a closer look at why, shall we?

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What I Hear Single armature earphones have their limitations, and the X49 is no exception. HOWEVER, done right they can provide a very satisfying listening experience. I'd say the X49 comfortably achieves that.

Treble out of the X49 has a lower region bias with small raise in the brilliance region that keeps it from lacking any sense of sparkle or air between notes. Detail and clarity is quite good, though there is a hint of splashiness present, as well as some grittiness that keeps it from sounding particularly smooth or refined. Notes attack and decay quickly, as is typical of armatures. Despite this, and I think down to the light splashiness, the X49 can get overwhelmed on busy tracks or at high volumes leaving the treble region in particular uncomposed.

The mids are more typical of an armature-based earphone; forward, clear, full of detail and very coherent. Timbre is actually quite nice as well, despite some dryness and a bit of a metallic edge that creeps in at times. Both male and female vocals are well represented with neither sounding more prominent than the other. The subtle warmth provided by the X49's midbass does lend itself to benefits female vocalists though, given them a sweetness that male vocalists lack.

Bass on the X49 is not going to win over those that want to be swept away in a sea of long, lush waves of noise. It is quite reserved. Still boosted above neutral, but not by a whole lot. Anyone coming from dynamic driver equipped earphones will probably find the X49 lacking until they acclimate to the sound. Once done, however, they will be rewarded with good extension, plenty of speed and texture, and just a generally well controlled, pleasant low end that can handle some satisfying genre variability.

Unfortunately, the X49's sound stage is quite small. Well-rounded, sure, but not particularly spacious. As a result music feels closed in and personal with vocalists giving you and you alone a show. I like how the X49 images, with sounds moving confidently around their 'Genie's Lamp' sized space. Instrument separation and layering is also solid, until of course you start throwing anything particularly complicated at the X49. When that happens, it starts to lose composure and congestion settles in. The same thing happens at high volumes, revealing this single armature's single greatest weakness. Keep the volume at reasonable levels and avoid 110 piece orchestras and everything will be alright.

Overall I find the X49 to be a well-tuned earphone little earphone with nice mids, solid bass, and good treble detail. I'd really like a larger sound stage and a bit more control in the upper regions, but there's nothing going on that I'd say so crippling to make it unusable. It's a great sounding product that isn't absent of flaws. Not to be unexpected given the very low price.

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Compared To A Peer (volumes matched with Dayton iMM-6)

Moondrop SSR (39.99 USD): I typically try not to compare with products that completely outclass what I'm reviewing, or that it completely outclasses. The SSR is, in my honest opinion, one of the most underappreciated and underrated products of 2020. That I decided to compare the X49 to it should give you an idea of just how capable I think NiceHCK's release is.

Starting with treble, neither is particularly energetic in the brilliance region. That said, the X49 has more emphasis there giving it a hint of additional sparkle, though this comes at the expense of some splashiness not heard in the SSR. It sound less refined, especially on light of how much smoother the SSR's presentation is top to bottom. Speed oddly feels about on par despite the X49 being equipped with an armature vs. the SSR's tiny dynamic. Notes attack and decay rapidly through each. I suspect this comes down to Moondrop's beryllium coating that acts to stiffen and speed things up for the SSR. Detail and texture is also about on par with the X49's more raw sound resulting in a more edgy, gritty presentation. I personally enjoy both and revel in this very specific difference to how they sound since they end up being very much complimentary. The prominence of v-shaped signatures in our hobby seems to have resulted in a slew of listeners allergic to forward mids, and that's a shame because both of these products have a gorgeous midrange. The SSR's is silky smooth and rife with detail backed by just the right amount of warmth to benefit artists of all genders. The X49 feels just as forward and gender neutral in it's presentation, but sprinkles in a hint of dryness that I find relatively common to full-range balanced armatures. Again, this nigh raspiness the X49 adds to vocals is a wonderful compliment to the SSR's refinement. Bass on both is politely elevated with the SSR having the edge on sub-bass extension, mid-bass impact, and overall visceral feedback. Texturing is good on both, though the X49 has an edge. Again, speed is about the same with both showing rapidity in their attack and decay qualities. That said, I find the SSR to handle rapid bass with greater ease. As tracks get more and more busy, or you increase the volume, the limitations of the X49's single full-range armature begins to show. It doesn't help that is has a much more intimate presentation than the SSR with a very compact sound stage that doesn't leave music nearly as much room to play around in. This is my only major qualm with the X49 and what holds it back from greatness. Still, pending you're playing within it's limitations, imaging is quite nuanced, instruments are well-separated and tracks decently well layered. Toss on something busy or crank the volume and the X49 loses composure in places the SSR has no issues. Overall I prefer the SSR, but the X49 isn't too far off and provides nearly as an enjoyable a listen.

EarNiNE EN120 (79.00 USD): The EN120 is getting up there in age at this point, but given it has a chromed metal housing surrounding a single balanced armature with a fixed cable, these two had to be compared. The treble presentation between these two is very similar with a lower treble bias and small upper treble peak to give off some sparkle. I'd say the EN120 is slightly more linear though, giving the two regions a more even emphasis. While both offer pretty great detail and clarity, the EarNiNE's in-house developed drivers are hard to beat. The X49 falls just short in that regard as a result and it feels like an all-rounder vs. the EN120 which is more neutral and analytic. Mids are again similarly emphasized. Once again, however, EarNiNE's drivers shine. They have a very unique sound to them most notable in the mids that gives the presentation a dry, crispy feel to it. This means that the EN120 isn't as accurate when it comes to timbre, even if it is a lot more interesting to listen to. Therefore, as much as I adore the midrange of EarNiNE products, it's not technically accurate so the X49 gets the edge. The additional warmth added in by the midbass presentation of the X49 also helps with this. The EN120 has a near-neutral low end. Compared to the X49, and most other products for that matter, it comes across a little anemic. It's got the speed and texture to match the X49, it just lacks the emphasis which hinders it's suitability across genres. While the X49 has a very compact sound stage, the EN120's is even smaller given off a complete in-the-head listening experience. This quality fits with it's somewhat analytic presentation, but it also means it's even more difficult than on the X49 to properly immerse yourself in your music. I still love the EN120 and the unique qualities of EarNiNE's drivers, but the X49 is the better product. It's larger sound stage and more versatile tune leaving me wanting when I switch from the X49 to the EN120, something that doesn't really happen when going from the EN120 to the X49.

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In The Ear Similar in design to Final's E-Series of dynamic earphones, the X49 utilizes very compact, lightweight, bullet-shaped housings that work equally well with the cable wrapped up and around the ear, or hanging down in a more traditional manner. Outside of some mild tapering on the rear of each housing as well as the and model info laser etched into the metal, there isn't much to to speak of here. Fit and finish is excellent with tight seams and neatly installed metal grills. The fixed cable enters into the bottom rear of each housing, protected by a stubby rubber relief that also advises which channel is which thanks to raised L and R lettering. A rubber o-ring wrapped around the left cable is also used to more quickly denote the left channel.

The cable is a very basic black, rubber-sheathed affair. There is a hint of stickiness that catches on skin, but slides smoothly enough over clothing so as not be an issue. It doesn't retain memory of bends or kinks, but it does transmit a fair bit of noise up and into the ear whenever the cable bumps around. Wearing the X49 with the cable wrapped around the ear works to mitigate this. The hardware used is also very basic but perfectly serviceable. The straight jack is absolutely tiny with a somewhat short and stiff relief. It's not great, but it gets the job done. The same could be said about the compact rubber y-split. Unfortunately there is no relief entering or existing the split, so expect that to be a failure point. They also omitted a chin cinch which would have been a welcome addition to help deal with the microphonics.

Comfort is outstanding. Since the X49 is so small and light, it almost entirely disappears when being worn. This is especially true when wearing it cable-up since what little weight there is ends up being dispersed more evenly around the ear. Isolation is also well above average despite the housing being ventilated. Even with the stock tips, walking along a busy street I can listen at my usual low volumes without having to pump it up to compensate for noise bleeding in.

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In The Box The X49 arrives in a very unassuming white box covered in a white sheath, NiceHCK printed on the front. Flip to the back to find some basic specifications and model information, with no real flourishes to draw the eye. If you like minimal packaging, this is it. Sliding off the sheath reveals the X49 nestled tightly into a white cardboard covered foam insert, the fixed cable neatly wrapped and tucked under a cardboard insert alongside the accessories. In all you get:
  • X49 earphones
  • Single flange tips (s/m/l)
  • Velcro cable tie
  • Shirt clip
  • Manual
If you are one of those who are offended by a company that puts time and effort into crafting a memorable unboxing experience, you'll be right at home here. This is about as simple and basic as it gets. It wastes none of your precious time and enables you to access the X49 immediately. The included tips are the same generic set you get with numerous other products, and they work very well with an earphone of this style. I had no issues using the pre-installed mediums for the majority of my listening time.

Final Thoughts This is my favourite product from the brand to date. The compact shell is comfortable and attractive with a good cable handling music transmission. Sure, it would be great if it were removable, but it's not so we can be happy that they used a quality wire, even if it looks pretty darn vanilla.

The X49 doesn't disappoint on the sound front either, with a versatile, capable tune that sounds excellent with a wide variety of musical genres. Where it falls short is in the sound stage which is very compact leading to congestion at high volumes or on particularly busy tracks. Listen at reasonable volumes and avoid crazy busy music and you'll be fine.

Overall a very nice product. If you're curious about balanced armatures and want to try them out without spending a ton, this is a fantastic example of the breed and well worth your time.

Thanks for reading!

- B9

Disclaimer A huge thanks to Nappoler with HiFiGo for sending over a sample of the X49 for review. The thoughts within this review are my own subjective opinions and do not represent NiceHCK, HiFiGo, or any other entity. At the time of writing the X49 was on sale for 16.99 USD, down from 42.48 USD: https://hifigo.com/products/nicehck-x49-single-ba-balanced-armature-driver-mini-earphone

Specifications
  • Frequency Response: 20-20KHz
  • Impedance: 22ohms
  • Sensitivity: 110dB/mW
  • Driver: Single balanced armature
Gear Used For Testing LG Q70, FiiO M3 Pro, FiiO BTR3K, Earstudio HUD100, Earmen TR-Amp, Asus FX53V, TEAC HA-501

Some Test Tunes

Supertramp – Crime of the Century
Slipknot – Vol 3 (The Subliminal Verses)
Daft Punk – Random Access Memories
Aesop Rock – The Impossible Kid
King Crimson – Lark's Tongues in Aspic
King Crimson – Starless and Bible Black
Infected Mushroom – Legend of the Black Shawarma
The Prodigy – The Day is My Enemy
Steely Dan – The Royal Scam
Porcupine Tree – Stupid Dreams
Fleetwood Mac – Rumors
Tobacco – screw*d Up Friends

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