Sony WI-XB400 vs Oppo ENCO Free – Detailed Specs Comparison (2026)

EXTRA BASSâ„¢ for deep, punchy sound BluetoothÂ® wireless technology for unrestricted movement Up to 15 hours of battery life and quick charging Easy hands-free calling and voice assistant commands with microphone Listen in comfort, anywhere, anytime Enjoy up to 15 hours of non-stop music Power up with quick charging Comfortable neckband style with magnetic buds for easy carrying

12 Month Manufacturer Warranty. It delivers professional audio quality. Intuitive controls, right at your fingertips. Enco Free equipped with IPX4 water resistance which protects against everyday splashes and spills. Enjoy up to 25 hours of music playback or 15 hours of call time when you carry your headphones with their charging case. AI uplink noise cancellation during calls: Industry leading AI uplink noise cancellation and dual microphone beam-forming technology, calls sound clear even in noisy environment.

Key Differences

Sony WI-XB400 and Oppo ENCO Free offer different noise cancellation capabilities (NA vs AI Uplink), which can impact how effectively they block external noise. The frequency response differs (20 Hz - 20000 Hz vs 16 Hz ~ 20000 kHz), which can influence how well the headphones reproduce lows, mids, and highs. Battery life varies between the two (15 Hours vs 25 Hours), which affects how long you can use them on a single charge. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Sony WI-XB400 and Oppo ENCO Free are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. The driver size differs between the two (12 mm vs 13.5 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (21 gm vs 48.2 gm), which may affect comfort during extended use. From a usability standpoint, both models provide a reliable and premium headphone experience.

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: 15 Hours vs 25 Hours
Noise Cancelling: NA vs AI Uplink
Driver Size: 12 mm vs 13.5 mm
Weight: 21 gm vs 48.2 gm

Compare Sony WI-XB400 with:

Compare Oppo ENCO Free with:

Key Differences

Top Differences