Yinyoo Pro
| Balanced Armature | Dynamic Driver |
? Yinyoo Pro, a dual-driver hybrid in-ear headphone with MMCX cables.
The Yinyoo Pro have a clear “inspiration” from the ultra-popular KZ ZST
with a mixed design that combines the main housing’s of the KZ ZST Pro / KZ ZST Colorful
and the back plate of the KZ ZST (carbon), there is also a matching configuration of 2 hybrid drivers (1 balanced armature + 1 dynamic driver). Instead of bi-pin connectors, the cable of the Yinyoo Pro has MMCX connections which are more secure and tighter fitting connectors but also more difficult to detach and have a higher risk of popping out the connection inside the housings if they are not very well-crafted.
The Yinyoo Pro is sold with a cable that has an inline microphone / remote or without it, when buying it you will be able to choose among the 2 options. Usually choosing the mic-less variant will cost you a bit less. The mic is compatible with Android and Apple devices.
As a side note: you can find many popular affordable Asian earphones on Amazon with the “Yinyoo” word first, like: Yinyoo KZ ZS6
or even as Yinyoo ZS6
. None of them are from Yinyoo, they are from Knowledge Zenith but seems that the Yinyoo brand is doing an aggressive marketing move to make their brand name stand out on Amazon. Despite the aforementioned, the Yinyoo Pro are actually Yinyoo branded.
You can buy the Yinyoo Pro in:
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Yinyoo Pro Review
Tests & Scores
W
Weight
Yinyoo Pro weight in Ounces and Yinyoo Pro weight in grams.
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A
Accessories & Packaging
The Yinyoo Pro unboxing results in a very large amount of accessories including: 6 pair of eartips, 1 pair of foam tips, a cable clip, a pair of cable guides and the detachable MMCX cable
. The packaging in simple and small with over-sized Knowledge Zenith packaging look-alike.
9.25/10
B
Bass & Sub Bass
The Yinyoo Pro bass is strong with very deep sub-bass and highly punchy mid-bass. They are clearly a bassy earphone with a bass-centered sound that will make happy die-hard bass lovers but will be boomy and boosted for the rest.
Applying an EQ, their mid-bass and sub-bass gets way out of control becoming a muddy and bass-only earphone.
During our extreme bass tests the Yinyoo Pro took up to 46% of Fiio E12 amplifier
‘s power (high gain, bass boost on, custom basshead EQ) with an insane augmentation of mid-bass punch and sub-bass depth; this was something that we were expecting due to their bass-centered and boosted personality showed so far. Regarding basshead impact and rumble, the Yinyoo Pro are able to provide a fairly strong amount that is slightly above the KZ ATE
but far away from the Top Basshead Earphones.
7.75/10
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Yinyoo ProM
Mids & Vocals
The Yinyoo Pro mids are very warm (very!) and show strong mid-bass bleed that translates into an overall distant and congested feel of their lower vocals. Higher mids have a bit of crispness but nothing exceptional, we wouldn’t say that they are extremely recessed nor, certainly, forward but a bit unamusing. The almost recessed style gives them freedom of harsh peaks, though.
With an EQ lower mids and lower vocals clear up but mid-bass is still strongly present. Higher mids get crispier but can easily fall into harshness.
7.25/10
H
Highs & Treble
The Yinyoo Pro highs are a bit strange, detail is resolved but they have a sort of split-personality regarding their brightness. Some brightness is there, but they have a very clear dark tint that fights back, which most probably is generated by their out-of-control and invasive bass. To their benefit, piercing highs are not often perceived but, unfortunately, sibilance is present.
An EQ added substantial brightness and removed a large amount of the muffled sounding style; additional detail was also resolved.
7.5/10
Yinyoo ProSL
Sound Leak
The sound leaking out of these Yinyoo earphones
is noticeably lower than on many other earphones. You will able to crank up the volume far up and people nearby will not be disturbed.
7.75/10
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SI
Sound Isolation
Noise isolation is acceptably efficient, despite the fact that they will not provide a very strong isolation while hearing to music at a moderate volume but this might be something that you are looking for (or not).
7.25/10
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C
Comfort
With practically the same shape, size (and even color) of the KZ ZST
, the Yinyoo Pro offer almost the same level of comfort and fit. To be honest, their comfort and fit is equally as good but they have an obnoxious problem, a lot of driver flex.
If you have never heard this term before, driver flex produces a crackling noise coming from the dynamic driver when you put in, out or re-position the earphones in your ears. To give you a very rough (and inaccurate) example of the kind of noise that you will hear, think of a similar noise that aluminum foil makes when squeezed.
8/10
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EQ
Response to Equalization
We tried to “fix” up many of the less performing audio frequencies of the Yinyoo Pro but the only range that responded fairly well were highs by giving back more brightness and detail, bass became wild and out of control muffling everything, mids cleared some of their lower mids but it was impossible to remove mid-bass bleed up to an acceptable level.
6/10
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ScoresYinyoo Pro Scores
- Accessories - 9/109/10
- Design - 8/108/10
- Bass - 7.75/107.8/10
- Mids - 7.25/107.3/10
- Highs - 7.5/107.5/10
- Sound Leak - 7.75/107.8/10
- Sound Isolation - 7.25/107.3/10
- Comfort - 8/108/10
- Response to EQ - 6/106/10
- Value for Money - 5/105/10
Summary
- ✅ Extremely strong bass
✅ Rarely any piercing peaks
✅ Lot of accessories included
✅ MMCX cable connector
✅ Comfortable fit and form factor
- ❌ Boomy and boosted bass
❌ Too bass-centered sound signature
❌ Strong mid-bass bleed
❌ Sibilance is present
❌ Congested and somewhat distant lower vocals
❌ Sluggish higher mids
❌ Bassy sound signature invades highs brightness adding a darkish tint to them
❌ EQ does not fix their mid-bass bleed
❌ Ridiculous amount of driver flex
❌ At their current price (+/- $20) they are not a great bang for buck
- Yinyoo took "inspiration" from the KZ ZST and tried to make their own version but they fell far behind, creating a bassy earphone that shows the typical cons of muddy, congested and overall darkish tint generated by their overconfident bass. They are not terrible nor horrible but certainly have too many flaws and do not measure up to their competitors with a similar price-tag. Among Asian budget 2-driver hybrid earphones there are far better value for money models out there with similar or even lower price and far better overall sound.
At the price that they are being sold right now, they are very difficult to recommend unless you are a hardcore bass-lover.
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Yinyoo Pro Frequency Response
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Yinyoo Pro Technical Specifications
| Type | Hybrid |
|---|---|
| Driver Unit | 1 balanced armature + 1 dynamic driver |
| Sensitivity | 108dB/mW |
| Power Capacity | Unknown |
| Impedance | 16 ohms |
| Frequency Response | 20-30,000Hz |
| Diaphragm | Unknown |
| Magnet | Unknown |
| Cord | Y-type, round cord |
| Cord Length | 1.2m |
| Plug | Stereo mini plug |
| Weight | Approx. 18g |
| Supplied Accessories | 6 pair of eartips, 2 foam tips, cable guides and a cable clip |
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Yinyoo Pro FAQ
How many drivers does the Yinyoo Pro have?
The Yinyoo Pro is a dual driver. Which means that the Yinyoo Pro has 2 drivers per side.
What type of headphone is the Yinyoo Pro?
The Yinyoo Pro is an in-ear headphone.
Does the Yinyoo Pro have a microphone?
The Yinyoo Pro have a microphone and a remote.
Which Yinyoo Pro colors are available?
The colors available for the Yinyoo Pro are: Carbon/Blue
and Carbon Purple.
and 
.What is the price of the Yinyoo Pro?
You can check the most up-to-date price of the Yinyoo Pro by following THIS LINK.
Where can I buy the Yinyoo Pro?
You can buy the Yinyoo Pro at: http://s.click.aliexpress.com/e/NNbyfaI
How many eartips does the Yinyoo Pro include?
The Yinyoo Pro includes 6 pair of eartips, 2 foam tips, cable guides and a cable clip.
What cable do the Yinyoo Pro have?
The Yinyoo Pro have a detachable, Y-type, rounded cable.
What cable connection does the Yinyoo Pro have?
The Yinyoo Pro cable connection has a MMCX interface with a 3.5mm mini stereo plug.
Are there replacement cables for the Yinyoo Pro ?
The Yinyoo Pro cables can be replaced with compatible MMCX replacement cables.
.Are there upgrade cables for the Yinyoo Pro ?
The Yinyoo Pro uses MMCX connectors which are very popular standard cable connections. You can buy any cable with an MMCX connector to upgrade the cable.
Does the Yinyoo Pro have Bluetooth / The Yinyoo Pro is a wireless headphone?
The Yinyoo Pro does not have Bluetooth but you can buy Bluetooth cables to make the Yinyoo Pro Bluetooth-enabled headphones.
to make the Yinyoo Pro Bluetooth-enabled headphones.Is the Yinyoo Pro compatible with Apple devices?
The Yinyoo Pro is fully compatible with Apple devices.
Is the Yinyoo Pro compatible with Android devices?
The Yinyoo Pro is fully compatible with Android devices.
Yinyoo Pro Photos
Yinyoo Pro
