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This is a teardown report translated from 52 Audio, and Transound has been authorized to translate and share this article.

52 Audio (我愛音頻網) is a professional audio analytics organization specializing in in-depth product analysis and industry insights.
This report highlights the features and engineering behind the Soundcore C30i earbuds, showcasing their innovative design and advanced audio technology.

 

The Soundcore C30i Open-Ear Clip earbuds feature a custom 17mm oval-shaped dynamic driver from Transound Electronics.
This driver, built with a PU+Titanium diaphragm, delivers high-resolution audio and powerful sound quality.
The C30i, launched earlier this year, stands out with its transparent, tech-inspired design and exceptional audio performance.



The Soundcore C30i earbuds come in two colors: Black and White.  Featuring a lightweight (5.7g per earbud)
clip-on design, they are ergonomically crafted for comfort and stability, using eco-friendly materials resistant
to deformation and yellowing. Two interchangeable ear wings (M and L) ensure a customizable fit for different ear shapes.

The Soundcore C30i "Space Capsule" features a 17mm Oval shaped driver, 57% larger than the typical 10.8mm drivers
found in most clip-on earbuds, with an 80% increase in sound output area.

For audio quality, the driver utilizes TPU material for the bass, offering low modules and excellent elasticity,
resulting in deeper and more powerful low frequencies. The mid-to-high range employs a titanium-coated diaphragm,
delivering enhanced detail and accurate sound reproduction.



The Soundcore C30i earbuds feature an oval-shaped driver from Transound. It uses a PU+Titanium diaphragm
and ultra-high tension copper wire for high-resolution audio. The driver has a rated power of 20mW, a peak power of 50mW,
and a sound pressure level of 105.0±3.0dB (at 1kHz, 0.148V input), delivering powerful and dynamic sound quality.

• Frequency Response Curve

 

• Distortion Curve

Below is supplementary information provided by Transound regarding the frequency response curve and
distortion curve of this driver.

Additionally, nine reliable tests were conducted to evaluate the product under testing conditions of
a temperature range of 15°C to 35°C and a relative humidity of 45% to 85%.

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Source of translation:
52Audio - The Soundcore C30i Earbuds feature a custom-made racetrack-shaped dynamic driver by Transound Electronics, delivering powerful sound quality.