Yinyoo D2B4 – Review

Yinyoo D2B4

Yinyoo D2B4

| 4x Balanced Armatures | 2x Graphene Dynamic Drivers | 4-way crossover |



🎧 We are reviewing the Yinyoo D2B4, an affordable 6-driver earphone with premium specs.

The Yinyoo D2B4 features a 6-driver hybrid configuration with 4 balanced armatures + 2 dynamic drivers per earpiece.

The diaphragm of the dynamic drivers is made of graphene while the diameter is 10mm. To handle the hybrid drivers, Yinyoo packed a 4-way crossover inside the earpieces.

Despite the technical specifications of the drivers declaring a 6-driver configuration, the disassembly diagrams might seem to suggest that they actually contain 5 drivers (4 balanced armatures and 1 dynamic driver) but the 2 dynamic drivers are actually set in a row – a similar tech specs vs diagrams confusion could be seen while our team reviewed the Senfer DT8.

The housings of the Yinyoo D2B4 are built in aluminum 7050, which is an alloy frequently used in the aerospace industry.

The cables are detachable and make use of MMCX connectors, which are a widely used type of connector that grants a stable and secure attachment between the cable and the earpieces.

You can buy the Yinyoo D2B4 in:

  • Yinyoo D2B4 blue
  • Yinyoo D2B4 black
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Yinyoo D2B4 Review

Tests & Scores


W

Weight

Yinyoo D2B4 weight in Ounces and Yinyoo D2B4 weight in grams.

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A

Accessories & Packaging

The Yinyoo D2B4 unboxing results in a semi-hard case, 6 pair of eartips and the detachable MMCX cable.

The units comes inside a relatively small, rectangular box with a similar color en finish as the earpieces.

gramophone-256609/10


B

Bass & Sub Bass

A 6-driver hybrid earphone might make users expect a balanced and clean bass, instead, the Yinyoo D2B4 has a powerful bass response that shows a very punchy personality and a sub-bass that can get noticeably deep.

Using an EQ, their sub-bass gets insanely deep and their mid-bass much punchier.

During our extreme basshead tests, the Yinyoo D2B4 handled up to 30% of a FiiO A5 maximum power, unleashing a basshead impact and rumble that merits respect but will, still, not reach the top basshead models in our charts.

gramophone-256608.5/10

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Yinyoo D2B4
Yinyoo D2B4

M

Mids & Vocals

The Yinyoo D2B4 midrange presents noticeable mid-bass bleed that can congest their lower midrange and male vocals. To their benefit, their overall mids will sound smooth/non-fatiguing and very relaxed – with sporadic harshy peaks.

Higher mids follow the style of their middle and lower mids, but do offer sufficient crispness for many average sessions.

Expect a profoundly warm experience with the midrange of the Yinyoo D2B4.

With an EQ, their vocals can be cleaned up a bit and their mid-bass bleed recessed from their invading strength, yet they will conserve their congested style.

gramophone-256606.75/10

Yinyoo D2B4
Yinyoo D2B4

H

Highs & Treble

The Yinyoo D2B4 is averagely bright with a, definite, dark tint overruling them and a marginal amount of detail.

Their upper ends tends to a rolled-off response that can provoke this darkish and non-detailed response but can help to lower the chances of piercing peaks.

On the other hand, sibilance is present and might frequently show up on tracks prone to it.

An EQ can add some brightness, reduce a bit of their darkness and reveal some detail but no extreme makeover will happen.

gramophone-256606.75/10

 


SL

Sound Leak

The sound leaking out of this Yinyoo earphone is slightly above average with a partial leak level that might be heard in less noisy situations but that will blend in while using it in daily city commuting.

gramophone-256607.5/10

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Yinyoo D2B4
Yinyoo D2B4

SI

Sound Isolation

The sound isolation provided by the Yinyoo D2B4 is efficient and stronger than most average earphones. Nearly absolute isolation can be easily achieved when moderately cranking up the volume.

gramophone-256608.5/10

RELATED TO THIS: Active Noise Cancelling Headphones Reviews


C

Comfort

The Yinyoo D2B4 has very smooth curves and rounded edges that never poke the ears nor generate discomfort.

In addition to this, the MMCX cable connections gives them a feel of stability – this is a very common connector that can also be found in earphones like the:

Yet, worth to highlight that the metal material of the earpieces catches up the environment’s temperature and can get cold during winter.

gramophone-256609/10

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EQ

Response to Equalization

The response to EQ of the Yinyoo D2B4 had shy effect over mids and highs but an exponential response over their bass empowering.

gramophone-256607/10

MORE: Editor’s Picks Earphones Chart

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Exclusive Yinyoo D2B4 Coupon for ThePhonograph readers

Yinyoo D2B4 NEW UPDATED COUPON

Price will be informed by seller with Coupon

Yinyoo D2B4 NEW UPDATED COUPON

Price will be informed by seller with Coupon

Yinyoo D2B4 6-driver hybrid earphone - 4BA + 2DD COUPON

ONLY WITH COUPON

Yinyoo D2B4 6-driver hybrid earphone - 4BA + 2DD COUPON

ONLY WITH COUPON
IMPORTANT!
If the coupon is not showing, you might be using an Ad-Blocker and/or Pop-Up Blocker that is impeding the coupon to show up. Turn off your Ad-Blocker and Pop-Up Blocker and whitelist www.thephonograph.net domain and this page.

How to use ThePhonograph Exclusive Coupons at Aliexpress: 

 



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Scores Scores

Yinyoo D2B4 Scores

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SEE ALSO: Coupons – Discounts – Deals – Promo Codes – Sales Deals
Exclusive Yinyoo D2B4 Coupon for ThePhonograph readers

Yinyoo D2B4 NEW UPDATED COUPON

Price will be informed by seller with Coupon

Yinyoo D2B4 NEW UPDATED COUPON

Price will be informed by seller with Coupon

Yinyoo D2B4 6-driver hybrid earphone - 4BA + 2DD COUPON

ONLY WITH COUPON

Yinyoo D2B4 6-driver hybrid earphone - 4BA + 2DD COUPON

ONLY WITH COUPON
IMPORTANT!
If the coupon is not showing, you might be using an Ad-Blocker and/or Pop-Up Blocker that is impeding the coupon to show up. Turn off your Ad-Blocker and Pop-Up Blocker and whitelist www.thephonograph.net domain and this page.

How to use ThePhonograph Exclusive Coupons at Aliexpress: 

 


COUPONS for ThePhonograph readers

Frequency Response (raw)

Yinyoo D2B4 Frequency Response Curve

Yinyoo D2B4 frequency response curve
Yinyoo D2B4 frequency response curve

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Yinyoo D2B4 Technical Specifications

Specifications

Type 6-Driver Hybrid
Driver Unit 2DD + 4BA
Sensitivity 102dB/mW
Power Capacity 5mW
Impedance 19 ohms
Frequency Response 20-40,000Hz
Diaphragm Graphene
Magnet Unknown
Cord Y-type, MMCX
Cord Length 1.2m
Plug Stereo mini plug
Weight Approx. 15g
Supplied Accessories 6x Earphone tips, case, cable

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Photos

Yinyoo D2B4 Photos

DISCLAIMER
We highly discourage anyone from trying to apply our testings to your own earphones, the risk of damaging or permanently breaking your iems is absolutely probable to happen. With our standardized equalization and amplification tests we push the limits of the earphones to the extreme. If anyway you decide to do so, we cannot be held responsible of the damage done to your equipment. Do it at your own risk.

Yinyoo D2B4

7.7

SCORE

7.7/10


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