JBL Free X vs Sony WF-C510 – Detailed Specs Comparison (2026)

Immersive JBL Signature Sound delivered in an intuitive, intelligent package. Comfort stay secure fit - best-in-class ergonomics with 3 ear tip size. The splashproof worry free IPX5 certified design keeps the music playing through sunshine and rain. Truly wireless - Discover the freedom of a wireless lifestyle listening to music, managing your calls or working-out. Enjoy an entire day of wireless audio, with up to 4 hours of continuous playback and up to 20 hours of backup power from the charging case. Hands-free calls - integrated microphone for clear phone calls, automatic stereo-mono mode switching for a natural call experience One year manufacturerâ€™s warranty.

Superior sound quality. Make your music more natural. 360 Spatial Sound Personalizer. MULTIPOINT CONNECTION : Quickly switch between two devices at once. STAY CONNECTED : Ambient Sound Mode keeps you aware of your surroundings. POCKED SIZED CASE : Small and cylindrical, the charging case is made to fit your pocket or your bag. WATER RESISTANT : With an IPX4 resistance rating, splashes and sweat wonâ€™t stop these headphones â€“ so you can keep moving to the music. EASY HANDS- FREE CALLING : A built-in microphone provides you with hands-free calling. No need to even take your phone from your pocket. ALL DAY COMFORT : Light and compact to give you all-day comfort and designed for the ideal fit, for an exceptional all-round listening experience. LONG BATTERY LIFE & QUICK CHARGING : Up to 11 hours of battery life ( up to 22hrs with case ) with quick charging ( 5 min charge for up to 1 hour of playback ). EASY BUTTON OPERATION : Play, stop, skip tracks, adjust the volume, access your smartphoneâ€™s voice assistant and receive calls hands-free with the touch of a button.

Key Differences

The frequency response differs (10 Hz - 22000 kHz vs 20Hz - 20KHz), which can influence how well the headphones reproduce lows, mids, and highs. JBL Free X and Sony WF-C510 offer different noise cancellation capabilities (NA vs Sound Isolation), which can impact how effectively they block external noise. There is a noticeable difference in weight (15 gm vs 31 GM), which may affect comfort during extended use. From a usability standpoint, both models provide a reliable and premium headphone experience. Battery life varies between the two (4 Hours vs 8 - 11 Hours), which affects how long you can use them on a single charge. JBL Free X uses Bluetooth 4.2 while Sony WF-C510 supports Bluetooth 5.3, which can impact connectivity stability and efficiency. Impedance levels vary (16 ohm vs 16 Ohms), which can affect compatibility and audio output when used with different devices. The driver size differs between the two (5.6 mm vs 6 mm), which can influence sound depth, bass response, and overall audio clarity. JBL Free X and Sony WF-C510 are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features.

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: 4 Hours vs 8 - 11 Hours
Noise Cancelling: NA vs Sound Isolation
Driver Size: 5.6 mm vs 6 mm
Bluetooth: 4.2 vs 5.3
Weight: 15 gm vs 31 GM

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Key Differences

Top Differences