Oppo Enco X vs Sony WH-RF400 – Which One Should You Buy? (2026)

12 Months Warranty. LHDC Wireless Transmission. IP54 Dust and Water Resistance. Qi wireless charging supported. Binaural Low Latency Bluetooth Transmission. Co-Created with Dynaudio, Call Noise Cancellation. Transparency Mode, Dual Core, Dual Mic Noise Cancellation. You can also Activate Your Voice Assistant with Touch Controls.

Comfortable fit. Smooth and Comfortable Earpads. High fidelity sound reproduction. 3 transmission channels available. Comfortable fitting ear pads and headband. 1.57" driver unit delivers a wide frequency range. Listen for longer with up to 20 hours of battery life. Noise reduction system reproduces a clearer sound. New mode â€œVOICEâ€ for clear hearing of personal voice range. Transmission distance varies depending on conditions of use. Automatic tuning on headphones for optimum signal reception. Requires use of RCA Audio Out or Headphone Jack on television. Volume control function and sound effect function on the headphones. Easy recharging function with secure charging mechanism â€“Rechargeable Battery. Wireless system that allows you to listen to a program free the restriction of a cable. Noise reduction system to reproduce a clear sound with minimum transmission noise.

Key Differences

Oppo Enco X and Sony WH-RF400 offer different noise cancellation capabilities (Max vs Active), which can impact how effectively they block external noise. Oppo Enco X uses Bluetooth 5.2 while Sony WH-RF400 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. The driver size differs between the two (11 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. From a usability standpoint, both models provide a reliable and premium headphone experience. Battery life varies between the two (25 Hours vs 20 Hours), which affects how long you can use them on a single charge. There is a noticeable difference in weight (52.5 gm vs 275 Gm), which may affect comfort during extended use. Impedance levels vary (NA vs 32 ohm), which can affect compatibility and audio output when used with different devices. The frequency response differs (20 Hz ~ 20000 kHz vs 10 Hz - 22,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Oppo Enco X and Sony WH-RF400 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: 25 Hours vs 20 Hours
Noise Cancelling: Max vs Active
Driver Size: 11 mm vs 40 mm
Bluetooth: 5.2 vs 5.0
Weight: 52.5 gm vs 275 Gm

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Key Differences

Top Differences