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

Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. The driver size differs between the two (11 mm vs 40 mm), which can influence sound depth, bass response, and overall audio clarity. 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. If you're comparing Oppo Enco X and Sony WH-RF400, both models offer a strong combination of sound performance, comfort, and modern wireless features. There is a noticeable difference in weight (52.5 gm vs 275 Gm), which may affect comfort during extended use. Oppo Enco X uses Bluetooth 5.2 while Sony WH-RF400 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. Impedance levels vary (NA vs 32 ohm), which can affect compatibility and audio output when used with different devices. Battery life varies between the two (25 Hours vs 20 Hours), which affects how long you can use them on a single charge. Oppo Enco X and Sony WH-RF400 offer different noise cancellation capabilities (Max vs Active), which can impact how effectively they block external noise.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.

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