Magaosi BK50 – Review

Magaosi BK50

Magaosi BK50

| Balanced Armature | Dynamic Driver |

? Magaosi BK50, an hybrid dual driver earphone with a friendly price.

The Magaosi BK50 features a single dynamic driver and one balanced armature inside metal + wooden housings.

The back plate is a metal grid with a wooden ring that suggests an open-back design.

Magaosi is a brand that has gained worldwide fame among budget audio enthusiasts thanks to their premium specs, elevated sound quality and highly friendly prices. Some of the most famous in-ear monitors from the brand include the:

The Magaosi BK50 has a phenomenal cable, among the best stock cables – the connector is MMCX. To give you a comparative idea, if you already own the RevoNext QT2, KZ ZS10, KZ ZSA, KZ ES4 or TRN V60; the cable of the Magaosi BK50 is two times thicker. The Yinyoo 6-Core cable is more inline in thickness with the Magaosi cable.

All details of the cable are made of metal, the 3.5mm plug section is very well built (also in metal) and carries an attractive carbon-fiber pattern.

The Magaosi BK50 is compatible with Android and Apple devices.

You can buy the Magaosi BK50 in:

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Magaosi BK50 Review

Tests & Scores



Magaosi BK50 weight in Ounces and Magaosi BK50 weight in grams.

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Accessories & Packaging

The Magaosi BK50 unboxing results in an excellent case (leather like), the MMCX detachable cable, a jack cap, 3 pair of foam tip, 2 pair of silicone tips.



Bass & Sub Bass

The Magaosi BK50 has a full sounding bass with good punch and deep sub-bass. It’s bass is not overly boosted nor overdone so do not expect an extremely bassy sound but they are certainly neither thin, cold nor anemic in their lower frequencies.

Overall they sound fun and energetic but not overcooked.

Applying an EQ, there is a much punchier and crazy deep sound.

Through out our extreme basshead tests, the Magaosi BK50 handled up to 45% of a Fiio E12 Mont Blanc max power reaching an insane punch and depth surpassing the KZ ATE, ACZ KR06 more inline with the RevoNext QT2, Auglamour RT-1, Xiaomi Mi In-Ear Headphones Pro 2 / Quantie 2 (QTEJ03JY), KZ ZSA, SENFER EN900, KZ ZS10 but not reaching the basshead rumble and impact of the Sony MDR-EX800st, Sony MDR-EX650, KZ ZS7 / KZ ED16, TFZ Series 2, KZ ES4.


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Magaosi BK50
Magaosi BK50


Mids & Vocals

The Magaosi BK50 has warm mids, crisp higher mids and fairly controlled mid-bass bleed. Lower vocals are cozy, slightly distant and not forward.

Overall, their mids are smooth and not harsh.

Using an EQ for the mids of the Magaosi BK50 brings up their male vocals removing their distant feel and higher mids can be pushed for an even crispier response



Highs & Treble

The highs of the Magaosi BK50 are very bright and resolve a fair amount of detail – their highs are open and non dark. Piercing highs are not present while sibilance is sporadic.

Overall, their highs are pleasant yet not recessed.

With an EQ, despite being already bright without an EQ, they can be pushed for a super enlightened and detailed response.


Magaosi BK50
Magaosi BK50


Sound Leak

Despite the clearly open-back design of the Magaois BK50, they do not leak a crazy amount of sound, in fact their leakage levels are lower than many average earphones.


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Sound Isolation

The sound isolation provided by the Magaosi BK50 is very noticeable and much stronger than most average earphones without having to utilize high volume settings.


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Magaosi BK50
Magaosi BK50



The truncated pyramid form factor of the housings of the Magaosi BK50 and their angled nozzles combined are an all-time proved comfortable ergonomic design, which ensure pain-free and stable fit


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Magaosi BK50
Magaosi BK50


Response to Equalization

The response to EQ of the Magaosi BK50 was highly efficient with important improvement in all frequency ranges and nearly zero issues.


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Scores Scores

Magaosi BK50 Scores

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Frequency Response (raw)

Magaosi BK50 Frequency Response Curve

Magaosi BK50 frequency response curve
Magaosi BK50 frequency response curve

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Magaosi BK50 Technical Specifications


Driver UnitDD + BA
Power CapacityN/A
Impedance32 ohms
Frequency Response5-28,000Hz
CordY-type, MMCX
Cord Length1.25m
PlugStereo mini plug
Supplied Accessoriescase; cable; jack cap; 2x Earphone tips; 4x foam tips

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Magaosi BK50 Photos

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.

Magaosi BK50





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