Soundcore C30i vs Sony WH-CH520 – Which One Should You Buy? (2026)

Clear Audio : Soundcore C30i boasts expansive 12mm Ã— 17mm racetrack drivers. Coupled with a titanium-coated diaphragm, you can enjoy clear audio, even with open-ear listening. Water-Resistant : Built with an ultra-fine mesh and a protective nano-coating, soundcore C30i open ear earbuds offer IPX4 water resistance. Tackle any outdoor pursuit with clip-on headphones that are ready for anything. Breathable Comfort : Enjoy unparalleled comfort with soundcore C30i open ear earbuds, expertly crafted for breathability and featuring a secure clip-on design. Listen to your favorite tunes with freedom and extra comfort. Designed For A Secure Fit : Constructed from innovative, non-deforming hard-shell material, our clip on headphones are meticulously designed to retain their shape for a consistently secure fit, no matter how much you use them. Attach For Enhanced Stability : Revolutionize your listening experience with our cutting-edge attachable ear grips, specifically designed to ensure your clip on headphones stay securely in place, regardless of workout intensity.

Digital Sound Enhancement. Find your headphones easily with Fast Pair. DSEEâ„¢ restores musicality lost in compression. Crystal clear hands-free calling with built-in mic. BluetoothÂ® wireless technology for unrestricted movement. Designed to be lightweight and comfortable for all-day use. 3 minute quick-charge can give you 1.5 hours of listening time. Easy hands-free calling and voice assistant commands with microphone. Long-lasting listening with up to 50 hours of battery, and quick charging. Multipoint connection allows you to quickly switch between two devices at once. Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE. Great sound quality customizable to your music preference with EQ Custom on the Sony, Headphones Connect App. With up to 50-hour battery life and quick charging, youâ€™ll have enough power for multi-day road trips and long festival weekends.

Key Differences

The frequency response differs (20 Hz - 20,000 Hz vs 20Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. Sony WH-CH520 and Soundcore C30i are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Impedance levels vary (32 ohm vs 16 Ohms), which can affect compatibility and audio output when used with different devices. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Sony WH-CH520 uses Bluetooth 5.2 while Soundcore C30i supports Bluetooth 5.3, which can impact connectivity stability and efficiency. There is a noticeable difference in weight (147 Gm vs 5.7 GM), which may affect comfort during extended use. The driver size differs between the two (30 mm vs 12 mm & 17 mm), which can influence sound depth, bass response, and overall audio clarity. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Battery life varies between the two (40 Hours vs 10 / 30 Hours), which affects how long you can use them on a single charge.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.

Top Differences

Battery Life: 40 Hours vs 10 / 30 Hours
Driver Size: 30 mm vs 12 mm & 17 mm
Bluetooth: 5.2 vs 5.3
Weight: 147 Gm vs 5.7 GM
Impedance: 32 ohm vs 16 Ohms

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Key Differences

Top Differences