HUAWEI FreeBuds 4 Bring an Unrivaled Music World

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Many customers have applauded Huawei’s new open-fit ANC earbuds, HUAWEI FreeBuds 4, for their upgraded open-fit ANC 2.0, comfortable fit, and immersive audio quality. Moreover, the 14.3mm large dynamic unit and bass enhancement allow the headset to maintain a high degree of sound quality. Aside from these capabilities, the HUAWEI FreeBuds 4 recently received a software upgrade that improved the listening experience.

The ear shape and condition of wearing earphones vary from person to person. Therefore, the same earbuds can be perceived differently by different users. Why not provide every user with the greatest sound possible? The question has long tormented acoustic engineers. Huawei customizes the sound for each user using unique hearing technology, AEM, and professional sound effects.

Adaptive ear matching (AEM) brings customizable listening experience

Consumers will have different listening experiences with the same earbuds due to ear shape and size variances. Because the ear canal is broader and the spacing between the earphones is wider, more sound is lost, and the bass performance suffers. However, those with smaller ears have too much bass due to tightening the earbuds.


Open-fit earphones are more susceptible to changing acoustic environments than in-ear earphones, so the sound quality varies between persons.

HUAWEI FreeBuds 4 uses AEM technology to deliver consistent and delicate audio quality to address this issue. First, the earphones determine the user’s ear canal shape and wearing tightness using sound wave detecting technology. The earbuds adapt automatically to the user’s ear. That could efficiently adjust for ear size and wear loss. AEM gives HUAWEI FreeBuds 4 users the greatest listening experience.


Professional sound effects suitable for various music genre

The HUAWEI FreeBuds 4 also come with a range of professional and customized sound effects to suit various music genres.


HUAWEI FreeBuds 4 has three EQ modes: balanced, bass boost, and treble boost. Depending on the situation, consumers can select a model. The bass boost option amplifies the bass, creating a more immersive listening experience. The treble boost setting increases the earphones’ sensitivity to higher frequencies, enhancing transparency and restoring rich high-pitched detail. The three separate modes also provide consumers with more options.

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Treble Boost: The instrument shows more detail, and the sound is fuller and brighter.
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Bass Boost: Boost the bass energy, and you can feel the shock of the scene.
HUAWEI FreeBuds 4 Bring an Unrivaled Music WorldImage Name
Balanced (Default): The sound is original, and the voice is more prominent and infectious.

Professional acoustic design brings high resolution sound quality

Audio quality is a significant issue for consumers when buying earphones. The audio details generated by the earphones are highly significant when listening to music. HUAWEI FreeBuds 4 features a classic dynamic driver structure for optimal listening. A frequency range of up to 40kHz improves the mid-range and treble tones.

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The 14.3mm extremely big diaphragm of HUAWEI FreeBuds 4 increases amplitude and bass power. It produces an independent sealed sound chamber with an enhanced bass booster, bass tube, and motherboard.

This increases the air and diaphragm resonance effect. With the HUAWEI FreeBuds 4, customers may enjoy more powerful bass and immersive sound.

Aside from high-quality hardware, Huawei continues to improve sound quality through software enhancements. Achieving the greatest listening experience has always been Huawei’s goal, and they will continue to do so in the future.


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