General Information

BQEYZ Spring 2 1BA + Piezoelectric Ceramic + Dynamic Driver Hybrid 2Pin 0.78mm HiFi In-Ear Earphones



Structural analysis

Balanced armature, 13mm bionic diaphragm dynamic driver, 9 layers of nano piezoelectric ceramics.

Coaxial dual-cavity patent dynamic ceramic horn, three-frequency independent tuning, physical frequency division.

Powerful magnet, ultra-thin film, high resolution.



Different timbre styles, listening to the vocals with their own emotional atmosphere, more transparent and bright.


Midnight black and olive green colors are available. Just like Paris, the fashion capital of the modern world. Make your own style statement and choose your own color. Let midnight black and olive green reflect your style.

Detachable cable design

0.78mm 2Pin detachable design, choose 3.5 single-ended, 4.4 & 2.5 balanced versions options.

4 core single crystal copper cable up to 224 strands, so that the sound more transparent, more details.


Better fit

Compared with Spring 1, we improved ergonomics and shaped Spring 2 which is more close to the ear.

The whole piece of aluminium

5-axis CNC machined anodized process.

Accessories upgrade

This time we carried out a major upgrade from inside to outside, and cleaned up the earphones, no longer cumbersome.

Equipped with a variety of eartips to cover the ear canal of most people, making Spring 2's dynamic ceramic balanced armature sound as you wish.

Atmosphere: low frequency eartips

Reference: vocal eartips

Memory foam: sound insulation



Model: Spring 2

Unit: 9-layers piezoelectric ceramic sheet + 13mm Bionic diaphragm dynamic driver + 1 balanced armature

Impedance: 32 Ω

Sensitivity: 110dB±3dB (@1k)

Frequency response: 7-40kHz

Cable length: 1.2m

Pin type: 2pin 0.78mm

Earphone single weight: 13.3g±5g


Spring 2

6 pairs silicon eartips set(2S/2M/2L)

1 pair memory foam eartips (M)

Eartips storage board

Leather storage box

Cleaning brush

Latest reviews

BQEYZ Spring2 - they made an already very good in-ear Great!
Pros: Good build quality, improved cable, very natural tonality, lots of detail
Cons: Treble slightly smoothed, minor mid-bass bleed

disclaimer: I was sent the BQEYZ Spring2 for purposes of reviewing it by Hifigo. I have no financial interest in either of the two, nor have I been provided with any renumeration beyond the earphone itself for this review. If you have an interest in BQYEZ, I recommend you check out their facebook page, or to purchase the Spring2, shop Hifigo.

Unboxing / Packaging:
The spring 2 ships in a slipcover style box with a large 2 on the front and specs on the reverse. The inner box is black with a woven look and BQEYZ in the upper corner. This inner box is a book fold design with a small foam block in the upper portion containing the earpieces and a box that contains the remainder of the kit. In total, the kit has the earpieces, cable, 7 sets of tips, a metal tip holder card, a cable tie, a cleaning brush, warranty card, manual, and soft case. This style kit is fairly common at the price point and while fairly complete, some others offer the addition of a balanced cable in the kit. BQEYZ has taken the step of offering three cable options at time of purchase so a 4.4 balanced , 3.5 single-ended, and 2.5 balanced cable are all options for those that prefer a balanced cable to the stock single ended.

Little has changed externally as the shells are the same 3 piece design used in the original. The body and faceplate are machined aluminum with brass nozzles. The seam between faceplate and body is well fitted with no gaps or glue visible. The ring on around the exterior of the faceplate is gold on my Spring 1 and red on the spring 2 which makes them easy to distinguish as otherwise they are identical.

Bi-pin connectors have a raised frame around them that is machined into the faceplate and the body rather than making it from a single piece and is extremely well mated as visually the lines formed by the mating of parts show no separation or misalignment. L and R are stamped on the inside of the earpieces with a small vent below the lettering and two larger vents nestled in a slot cut in the space immediately behind the lettering.

Size is about average and is roughly comparable to the Fiio F9 or the TFZ series 2 albeit slightly thicker than either of those. I found the Spring1 to be comfortable and with the new model using the same shell and tips, not much has changed. I did find that while I liked the sound better with the Foam tips, I did fatigue more quickly from them than I did some of the silicone styles. Because of the thickness of the earpieces, the Spring models sits a bit further out and is likely to be level with the surface of the ear or just slightly raised above it.

The only thing I found odd about the aesthetics is the cable hardware is all brushed aluminum while the earpieces are matte black. This is most notable at the junction of the bi-pin connectors where the two colors sit within a millimeter or two of each other.

The Spring2 uses a combination of a 13mm dynamic driver, a single balanced armature, and a peizo-electric driver. This is very similar to the spring 1 which used the same combination of driver types, but not exactly the same drivers. My understanding is the BA driver is the same, but both the dynamic and the piezo elements have been updated (They share a housing so hard to do one without the other). The piezo has gone from 7 to 9 layers in the new release, and the dynamic has improved speed per what I have been able to gather. Impedance is d0wn to 32Ω from the 43 of the Spring1 while sensitivity is increased from 108 dB/mW on the original to 110 dB/mW on the Spring 2. Those numbers suggest an easy to drive model, and the spring2 does do very well with smartphones, tablets, dongle dacs, and even the occassional laptop. I did find it scales extremely well qualitatively and encourage the use of a good source to get the most out of it, but in A/B compare it definitely does not require as much power as its predecessor to keep everything happily ticking along.

The cable is a step above the previous model as well. What hasn’t changed is oxygen free copper throughout, what has is larger diameter strands in a 4 wire braid from the brushed aluminum jack up to the matching splitter. Above the splitter a clear bead chin slider risde the two twists up to the preformed hooks and .78mm bi-pin connectors. The earhooks are much less taut than previous models and are pliable making them particularly comfortable. The bi-pin connectors are well marked L/R. The earpieces are also marked on the inside surface although they are a bit harder to see depending on lighting and angle as the markings are black on black.

Again like the Spring1 before it, the Spring2 comes with 7 sets of tips. Two styles of silicone tips, one called Atmosphere and the other marked reference rest on metal credit card form, and a pair of foams is included as well. Atmosphere tips are bass heavy compared to the reference tips which are more well reference sounding. The card itself tucks neatly into the carrying case should you decide to take extra sets of tips with you on the go. I found tips were quite effective at altering the signature so those who want to alter the default should probably start there before moving on to more costly items like the cable. I found the Comply round f0ams from the comfort series to be the best fit for me using the original so tried those here too and they work equally well on the Spring2.


Sub-bass is mildly elevated with a center around 50Hz and roll-off only evident below about 30Hz. The driver seems to be faster than the previous generation and provides a little better texture as a result. Mid-bass also benefits as texture and detail are very good with only a very slight mid-bass bleed due to slightly slower decay than attack. This gives the Spring2 a bit of warmth in the mid-bass and lower mids. The low end of the Spring1 was already good so the fact that what minor differences are there are positive is a good thing. They didn’t fix what wasn’t broken.

Mids were very good on the Spring1 and if anything are even more so on the Spring2. Lower-mids are slightly more forward and have a bit more body. Vocals have good timbre all the way through the range with only a very slight forward step to higher voices so duets come across sounding proper without one voice being markedly ahead or behind the other. Guitar growl is good as well as the driver is fairly quick with good transients and clarity. Strings have good tonality as well. I wouldn’t have been able to forgive BQEYZ if they messed this up as to me the Spring 1 was probably the most natural string tonality in the sub-$200 segment, even with the newer arrivals since. The Spring2 is every bit as good and BQEYZ is off the hot seat as they did a good job again not fixing what wasn’t broken.

I felt the treble on the Spring1 was already pretty good, but it crossed the line and was too hot for others. Lower treble drops back very slightly from the upper mids and keeps the lower treble from getting hot. Treble has a very smooth delivery with no ragged edges but at the same time has good detail levels and clarity. Snare rattle is tight and well defined with good sharp edges. Cymbals are realistic with just a very slight metallic edge. In A/B testing, I do find the treble better extended and slightly smoother compared to the Spring1.

Soundstage / Imaging:
Soundstage is well proportioned with depth and width being roughly equal and a good amount of height as well. In this regard, the stage is a little better balanced than the original which hand more width than depth comparatively. Seating the orchestra is straight forward with no overlaps as Instrument separation is quite good. I think BQEYZ has found an interesting tuning with the Spring series in that instruments don’t overlap, but don’t seem to have much open air between them either. Imaging is quite good as well with spatial cues having good precision and movement around the stage easily tracked and pinpointed. Layering is also very good with no tendency to compress even as tracks get quite busy.


Spring 1 vs Spring 2 – Differences in the Spring1 and 2 are covered throughout the review, so to sumerize, diffferences are more a matter of degree than of wholesale changes between the two. Improvements in cable are the only visible difference, while improvements in speed of the dynamic driver and improved smoothness and clarity above that low end are evident the minute you listen.

Moondrop Starfield – The Single dynamic Starfield is less expensive than the Spring2 and offers a bit different sound signature but both maintain a near neutral smooth delivery. At the low end, the Spring2 is a bit more textured while the Starfield seems a bit more smoothed over. Mids have good tonality and position on both, but again clarity and detail is improved on the Spring2 comparatively. Treble is a bit more pronounced on the spring2 but so is detail. Overall, this will come down to budget, fit, and personal preference but in many ways the spring 2 is an improved Starfield.

KBear Diamond – Again this is a very similar battle to the one listed above. The diamond is a single DD with a very smooth near neutral delivery, but again the Spring2 has better clarity and detail. Kit is fairly closely matched on both and build quality is nearly identical as well although I prefer the aesthetic of the Spring series personally. I do think the thing that probably seperates these two more than any other factor is the bass texture which is markedly improved on the Spring2.

Ibasso IT00 – Too early to tell on this one, but this is where the battle ground for the Spring2 will likely be. The listening I have done so far has shown the IT00 to be easily the best of the Ibasso earphones below the IT05 with the IT01 and o1s quickly falling by the wayside and even the IT03 having trouble competing with it. They have different tonalities for sure, but these two will definitely compete for your dollar. The good news is either way you end up with a great in ear.

Thoughts / Conclusion:
I went into this review with the thought “Please don’t have messed these up”. I really liked the Spring1 and all too often when a V2 comes out it is a step backward. Luckily that is not the case here. The Spring 2 is an incremental step forward from the 1st generation. You have to listen closely to hear the differences in the two and the improvements are subtle. Those who wanted more low end energy than the Spring 1 provided won’t find the Spring 2 to their liking either. Those that wanted a bit more bass texture will find it in the Spring 2. The same is largely the case all teh way through the mids with better texture and a slightly more linear signature. Treble is a bit smoother and easier going than the 1st generation model but doesn’t sacrifice detail to get there. The Kit is solid if not out of the ordinary for the price point, build is solid, cable is good, and signature is among the best available in the sub $200 space. BQEYZ continues to impress and the Spring 2 is strongly recommended.
Do you have an update on the it00 comparison? I wanted to see if owning a spring 2 would compliment with it by having a different sound signature rather than compete with it. Thanks in advance!
Should have the IT00 review done next week, still working on listening now. I'll see if I cant shoot you a comparison FR at least in the mean time.
Pros: Thick mids, good for male vocals
Non offensive tuning
Decent technicalities
Nice accessories included
Airy feelings
Solid built
Cons: Can be sibilance
Low isolation
Midbass bleed
Lacking some rumbles
Nothing really stands out
Disclaimer: This unit was loaned by a friend from my local community in exchange for my honest opinion. I didn't get paid for this review or even related to the company.

BQEYZ is another audio company based in China. They are a rather new company but had gained quite a good reputation in the community after their pretty successful attempt on the budget IEMs such as the Kb100, BQ3 and KC2.

But last year, they try to venture into the sub $150-$200 IEMs with their tribrid set up IEM, the BQEYZ Spring 1. From what I had gathered, the reception from the chifi enthusiasts is quite positive despite a few of their shortcomings. So to maintain that without losing their signature, they are now back with the Spring 2.

I personally haven't tried any of their IEMs. So this is pretty much my first time with the BQEYZ.


The packaging is more or less similar to the Spring 1 both in the size and design. They are pretty simple but still elegant with the only difference is on the outer sleeves where it has a big number 2 printed on the front and the IEM's specifications on the back.

In the box:
- 4-braid litz 0.78mm 2-pin cooper cable
- 6 pairs of silicone eartips (S/M/L)
- 1 pair of memory foam tips
- Carrying case
- User manual & QC card

Built Quality & Fit:
Housing -
The shell is made out of 5-axis CNC machined aluminium and it's available in two different colors. It's very well made and feels premium without any sharp edges. They are also easy to fit and relatively light in weight, so there will be less fit related issues even to smaller ears.

However, the isolation here is sadly below the average, because of the small size and since the shell doesn't really block the concha/floating on your ear, they'll not be able to block a lot of noise from outside.

Cable & Tips - The included 4-braid litz cable simply becomes one of my favourites. They are soft, slightly thick but still pretty light. They also tangle-free, have a working chin slider and good looking. When I first saw it, it quickly reminds me of the Faaeal Hibiscus cable but with a better chin slider and quality.

The eartips that's included here has 3 versions with two of them are silicones, which is the atmosphere type and reference type. The atmosphere tips are closer to other stock tips with a slightly narrower bore and rounder umbrella. On the reference tips, the umbrella is shorter and smaller even though it's the same size. The bore is also wider while the tube is much shorter than the atmosphere tips.

I personally prefer the atmosphere tips since it sounds much better than the reference. With atmosphere tips, they sound more defined and clean. But still, I prefer to use the aftermarket tips such as the sednas for better comfort.

Carrying Case - The black hard case included is made out of EVA material and has the BQEYZ name printed on the surface. The size is more or less in the medium level but it's still pretty pocketable.

Sound Analysis:

Set up used:
DAP: Shanling M6
Cable: Stock
Tips: Azla Sedna Short (black)
Playlist: Korean R&B, Neo Soul, Hip hop, Jpop, Western pop, Orchestral, Classical

BQEYZ Spring 2 is a hybrid IEMs that consist of a 13mm coaxial dynamic driver, 9 layers of Piezoelectric, and a balanced armature.

The tuning of Spring 2 can be categorized as mild V-shaped tuning since it has some boost on both bass and treble frequency.


Lows - The low end of Spring 2 is pretty neutral and leaning towards the midbass instead of sub-bass with the rise started from 40hz onward. Though the boost here wasn't a lot, it's still able to deliver enough punchiness to make them sound fun.

But overall, the quality of the bass here is just on the average. The speed and decay are neither too fast nor too slow, the attack is slightly blunted, texture a bit smoothed out and it isn't very tight, which causing them to bleeds to the mid and sound less clean. It also sounds slightly hollow and lacks a proper body sometimes.

Mids - Pretty good. They sound much warmer than my preference now but it's decently done. Since it's impacted by the mid-bass bleed, the vocal here sounds thicker and more full-bodied, making them more suitable for male vocals instead of females. They are also safe from shoutiness despite the pinna gain that they have.

But because of the bleed too, the vocals here sound more recessed, veiled, and less transparent, especially female vocal. The tonality here also a bit off since I notice them having a tad lighter note than what I usually listen to.

Treble - The treble on Spring 2 can be considered to be pretty safe here, actually. They were able to deliver enough clarity and crispness when there are cymbals or high hats playing without getting splashy or too artificial. And although the extension on the upper treble is lacking, they are still able to sound pretty airy, surprisingly.

But it's worth mentioning that I do catch some hints of sibilance and feel a bit of fatigue when I listen to some tracks because of the peak on the 8k. So for those who are treble sensitive, this iem will likely a no go.

Soundstage & Imaging - The soundstage on Spring 2 is slightly above the average in their price range with the dominance of width than height. They sound open and spacious from the airiness that they have has some depth to it too. Only, it still not enough to make it fully holographic. But their imaging is still good.

Resolution & Separation - The resolution and details are on par with the price, but I still wouldn't consider it as a detail monster IEM. The separation is also decent since it has a nice amount of air and some depth, so instruments sound less congested here.


Moondrop Starfield -
The vocal on Starfield is still the winner for me, as they sound more transparent, textured, and natural than Spring 2. Isolation is also better, bass noticeably having a tad better rumble and body, so instruments like bass guitar sound much more satisfying on Starfield than on the Spring 2 and since it's only single DD, they are more dynamic.

The Spring 2 offer less engaging experience than Starfield, as Starfield tends to be more in-your-face type while Spring 2 is more relaxed/laid back.

Other than that, the Spring 2 is easier to drive than Starfield. The treble and technicalities also slightly better on Spring 2 even though it's not very far away.

With nothing that is standing out of them, it'll be pretty hard for them to compete with other IEMs in their class. Because there has been a lot of IEMs with similar tuning around and some of them are also cheaper in price. The only thing that will attract people is their spec, the tribrid set up with 9 layers of piezo that they have. But honestly, I didn't notice them sound unique or any different from other hybrid IEM.

But I would say I'm still fairly impressed with the Spring 2. The tuning is not offensive at all and they also have decent technicalities for the class they are in, which will be a pretty good all-rounder for those who are looking for one. With most of their flaws that are also still pretty forgivable and varied accessories included, you'll not feel your money go to waste. So in this case, what they are offering is still on par with what you'll be paying.
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Pros: Clear, tight and fast sub/mid-bass
Absolutely spectacular female vocals that is natural, clean and not sharp
Very good male male vocals with enough thickness/warmth
Natural treble
Timbre is very good and especially with this driver setup
Big soundstage
Instrument separation
Versatile in what it can play
High quality cable and able to choose the connection type
Cons: I want more bass quantity and more bass texture
More air and treble extension would be great
Same with the bass extension
Stock tips

Disclaimer: I received this review unit for free for this review by the official BQYEZ store on AliExpress. Thank you very much.

Price: 170 usd


Unit: 9-layers piezoelectric ceramic sheet + 13mm Bionic diaphragm dynamic driver + 1 balanced armature

Impedance: 32 Ω

Sensitivity: 110dB±3dB (@1k)

Frequency response: 7-40kHz

Cable length: 1.2m

Pin type: 2pin 0.78mm

Earphone single weight: 13.3g±5g



Silicone narrow bore “Atmosphere” S/M/L tips

Silicone wide bore “Reference” S/M/L tips

Medium foam tips

Cleaning tool

Storage case


Cable: you have the option of going balanced with either 2,5mm or 4,4mm (along with the standard SE 3,5mm) so that is very good. The cable itself looks identical to the Faaeal litz copper cable but the spring 2 cable has a chin-slider that works very well. The connector (both 2pin and the 4,4mm) and the divider are made out of metal. It is pretty thick for a 4-core cable.


Build: Made out of metal and the nozzle too so it looks and feels nice.

Fit: The fit was a bit hard for me to get a good seal but once it is sealed it fits good (not recommended for a beater set as the fit isn’t secured enough for that). Isn’t very big so should fit for most except the ones with very small ears.

Comfort: The comfort is pretty good as the Size isn’t very big.

Isolation: Above average since it covers a lot of my ears.

Setup: Ibasso DX160 (low gain, volume around 34), stock cable 4,4mm, Final Type E LL tips

Lows: Very clean bass because of the speed and tightness. Very linear too and that is also why the sub-bass wont rumble that much but it is definitely hearable. But the quantity is a bit low for my music and makes it a bit dull. Extension is a bit below average for stuff in this price range though.

Mid-bass: Hiroyuki Sawano – Pretenders (01:18-01:47), nothing wrong with the quality here as it is tight, fast and therefore clean. BUT it lacks quantity and makes it sound a bit dull.

Metallica – fight fire with fire (02:55-03:01) The “chopper” sound in the background is hearable but not very much. The reason is probably the same as to why in the (01:11-01:52) section, every single bass hit isn’t very distinct. So, the mid-bass does need a bit more tightness on this track.

Sub-bass: Djuro – Drop that bass (01:15-01:30) you can hear the rumble but it won’t satisfy people that want to have a lot of rumble and definitely not bassheads.

Will Sparks – Sick like that (03:08-03:22) punchy, tight, fast and clean.

The quantity is definitely not neutral but for my music I would like more quantity. Especially on Aurosonic – All I need (progressive mix) (0:00-0:26) as it isn’t as exciting as I would like it.

The quality is fine though as it is tight and fast. Texture is average though.

Mids: Natural, clean and detailed vocals, female vocals are a bit more forward than the male vocals but both are very good.

Female-vocals: Hiroyuki Sawano – The Way (01:55-02:47) very beautiful and clean

Hiroyuki Sawano – Aliez (02:05-02:25) is also clean but most of all NOT sharp at all.

Evanescence – bring me to life (01:18-01:35) my ultimate sibilance test and it passed it with flying colors, Not sharp, shouty or sibilant in any way.

Male-vocals: Hiroyuki Sawano – Pretenders (00:57-01:17) sounds very natural and the male vocals are as bright as they should be since he has a higher pitched voice than average.

Hiroyuki Sawano – Scapegoat (00:57-01:17) also sound very natural as it has the needed warmth and thickness it needs.

Highs: Linkin Park – Shadow of the Day (03:24-03:42) the electric guitars are just a bit shouty but nothing too bad.

Deuce – America (03:03-03:16) while it isn’t sharp there is definitely too much treble here and it sounds very fatiguing.

Violins are very clear and bright as they should, but the lack of texture makes them a bit artificial sounding. Extension isn’t bad but I expect it to be better with a piezo driver in it.

Soundstage: Very big soundstage in width but average in depth.

Tonality: Reverse L-shaped with quite good timbre, I believe it is because the piezo drivers aren’t working as much as they do in some other piezo iems (LZ A6).

So that is why the spring 2 sounds very natural despite having a piezo driver. It does make it less unique sounding when compared to other “exotic” driver setups.

Details: Above average, quite a lot of details.

Instrument Separation: Average as it does become a bit harder to discern individual instruments during very fast tracks (involving machine-gun drumming). But otherwise is quite good.

Music: Hiroyuki Sawano – Before lights out, sounds very good as the bass gives the sound life and thickness, mids aren’t drowned out by the bass and isn’t forward, treble gives it the energy the track wants to give the listener. With a big soundstage topped off by the very natural timbre here.

Songs that highlight the IEM:
Good genres: Acoustic songs, OSTs, Jpop, Pop

Bad genres: EDM, Hip-hop, Trance. Don’t get me wrong though, as the Spring 2 is quite the versatile iem in what it can play.

The spring 2 is able to play those genres but just that they need some more bass to be more satisfying to me.


LZ A6 (pink filter):
Treble is much more extended on the A6 with more air (a bit too much air actually), quantity is quite similar but a bit more on the A6 it is less peaky though.

The piezo driver is working more on the A6 than it does on the Spring 2 so the A6 sounds more unique, airy and more detailed but the spring 2 is more natural. (although violins sound very natural and textured on the A6 and much better than the Spring 2.)

The Female vocals are a bit better on the Spring 2 as they sound more natural and a bit more forward. Male vocals are more forward on the Spring 2 but less natural due to it being a bit thicker and warmer on the A6.

Sub-bass extension and rumble is much better on the A6, as is the tightness, texture and speed. Mid-bass is also tighter, faster and more textured on the A6. Sub and mid-bass quantity are higher on the A6 but especially the sub-bass.

Soundstage width is similar but the A6 is much deeper and gives off a more holographic soundstage in comparison. Details and instrument separation are also better on the A6. Timbre is better on the Spring 2.

The spring 2 suits people that want a less colored sound, much better mids and want a more natural and neutral sound. The A6 in comparison sounds more V-shaped and sounds less natural in general but with better bass, technicalities and sounds more unique.

Moondrop Blessing 2: Treble quantity is similar but the B2 has more low- treble quantity and is more fatiguing for me (lower-treble is where I am sensitive at).

Female vocals are more forward on the B2 it is also more natural. Male vocals are more natural on the Spring 2 as it is warmer and thicker while the B2 is a bit lacking in that.

Bass quality is higher on the B2, with lower extension, tighter, faster and more textured bass but quantity is higher on the Spring 2.

Timbre, soundstage, details and instrument separation are better on the B2.

The B2 is a more technical iem but is less versatile in what it can play, so my recommendation goes to the Spring 2 especially when you consider the price difference.

Tin Hifi P1 (High Gain + EQ): Treble quantity is similar but the P1 is more natural and less peaky.

Female vocals are quite similar in quantity and quality on both. But male vocals have some more warmth and thickness on the P1 and sounds more natural because of that.

Sub-Bass extends lower and rumbles more on the P1, Quantity is also higher. Speed and tightness are better on the P1. Texture is much better on the P1. Mid-bass quantity is also a bit higher on the p1, but tightness and speed are better on the Spring 2 while texture is better on the P1.

Soundstage is similar but instrument separation, details and timbre are better on the P1.

The P1 is better if you want a more natural sound and bassier but still having a very high-quality bass sound, that is also warmer and more relaxed. Spring 2 is better if you want something more energetic and easier to drive.

I do NOT recommend the P1 at all if you do not have a powerful amp AND able to use EQ (PEQ specifically).

Final Audio E3000: (they are very different but I added it due to a request)

Treble is more extended and airier on the Spring 2, the quantity is also much higher and peakier.

Mids are better balanced between male and female vocals on the E3000. Male vocals are thicker and warmer but also less clean on the E3000.

It does sound more natural on lower pitched male vocals but otherwise the Spring 2 sounds more natural. Female vocals are much better, cleaner and more natural, no contest with the female vocals.

Bass is tighter, faster, cleaner and more textured on the Spring 2. But the E3000 extends lower, rumbles more and has more quantity.

Soundstage, details and instrument separation are better on the Spring 2. Timbre is better on the E3000.

The E3000 suits those that want a more relaxed, natural and bassier sound. While the Spring 2 is better for an energetic, clean and technical sound. E3000 is however NOT recommended for use with just a smartphone since it does need more power than average, where the Spring 2 should be perfectly fine with a smartphone.

The spring 2 is a well made, good tuned and natural sounding despite it having a piezo (sounds more like a BA driver instead of a piezo) so it is implemented very well. With high SQ without any big weaknesses, although I would appreciate more bass quantity and texture but that is nitpicking on an iem that is already quite good.

Do I recommend it? If you want a natural sounding and especially with very good vocals then yes, I do. But if you want to experience how a piezo driver sounds like then this is not recommended because it does not sound like a piezo (a con or pro depending on your perspective. Thanks for reading

EQ Settings for the Tin Hifi P1:
Preamp -7dB, Band 1: 80 Hz, Q:0.64, Gain: 2dB and Band 2: 150 Hz, Q: 1.1, Gain: 4.5dB
@josesol07 Thanks! I also wished that I had them, but since I buy the majority of my stuff with my own money I cant get them. Unless someone sends me them I wont review/hear them.
Thanks for the review.
I was planning to get the Spring2 but
from the recent reviews, it doesn't look like it will suit my music. I listen to a lott of death/thrash/doom metal. Do you suggest any particular iem that can handle such complex fast genres?
@Vruksha If timbre isnt something very important I would say the LZ A6 is very good since the bass is very fast and tight so it stays controlled. Otherwise the Tin Hifi P1 has a more natural timbre and is good (better with EQ) (but the P2 is releasing soon I might be better to wait).


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